Abstract

Every month, we will publish our editor's selection of six research article abstracts – some of them freely accessible on the Wiley Online Library. You will also learn about the dos and don'ts in scientific publishing in our infographic and upcoming additional material.

Abstract

Fully Printed, High-Temperature Micro-Supercapacitor Arrays Enabled by a Hexagonal Boron Nitride Ionogel Electrolyte

This article demonstrates the creation of mechanically flexible micro-supercapacitor arrays using high-speed screen printing of conductive graphene electrodes and a high-temperature hexagonal boron nitride (hBN) ionogel electrolyte, offering exceptional areal capacitances and the ability to operate at high temperatures up to 180°C, making them promising for applications in harsh environments such as underground exploration, aviation, and electric vehicles.

Abstract

Atomic Force Microscopy Analysis of Aluminum Layer Properties and Correlation to Masking Functionality in Copper Plating Metallization for Solar Cells

This study investigates the use of native AlOx as a masking agent for electroplating copper in silicon heterojunction solar cell metallization, exploring methods to improve its insulation quality, such as applying a self-assembled monolayer, to optimize surface wetting for precise printing and demonstrating successful solar cell metallization with inkjet- and FlexTrail-printing techniques.

Abstract

Numerical and Experimental Investigation on the Self-Healing Potential of Interpenetrating Metal–Ceramic Composites

This study investigates the potential and feasibility of self-healing in an interpenetrating metal ceramic composite (IMCC). The cracks in the damaged composite are filled and closed by a liquid metal alloy when heated, reducing stress concentrations and improving mechanical properties compared to the predamaged composite. Numerical models are used to analyze stress concentrations and the restoration of mechanical properties, while experimental testing demonstrates the potential for self-healing in the IMCC. Although the experimental self-healing is currently only moderately feasible, the study highlights the potential for extending the service life of IMCC engineering components through further development of the self-healing approach.

Abstract

Competing Effects of Radio Frequency Fields on Carbon Nanotube/Resin Systems: Alignment versus Heating

This research demonstrates that radio-frequency fields can be used to align carbon nanotubes dispersed in a resin and induce curing. The study computed the timescales and temperatures required for alignment and curing, and successfully created composites with aligned nanotubes. These composites had higher electrical conductivity and mechanical properties compared to randomly aligned samples. Additionally, the researchers showed how this method can be used in combination with additive manufacturing to achieve alignment in any desired direction.

Abstract

Surface morphology and corrosion behavior of pure aluminum and its alloys in aqueous sulfuric acid medium

This study investigates the surface morphology and corrosion behavior of pure aluminum and its alloys, 7S10 and 7003H, in aqueous sulfuric acid medium at different temperatures. The resistance to corrosion is evaluated using open-circuit potential and potentiodynamic polarization techniques. The results show that the current density increases with temperature for the alloys, while pure aluminum exhibits the highest corrosion resistance. Surface roughness measurements indicate that the alloys have higher roughness and experience more corrosion compared to pure aluminum. Scanning electron microscopic analysis confirms that alloy 7003H undergoes more corrosion than pure aluminum and 7S10 in sulfuric acid medium. The corrosion rate decreases with increasing immersion time.

Abstract

Photocontrollable Deformations of Polymer Particles in Elastic Matrix

The abstract discusses the design and development of a novel polymer composite material utilizing shape-reconfigurable microparticles with photoactive properties, enabling reversible deformation through light-induced processes, providing control over optical properties and showcasing potential in optics and soft-robotics applications.

Abstract

Disulfide-Bridged Dynamic Covalent Triazine Polymer Thin Films by Interface Polymerization: High Refractive Index with Excellent Optical Transparency

The abstract discusses the development of dynamic and covalently cross-linked C3N3S3 polymer thin-films with tunable thickness and optical properties, offering potential applications in materials engineering, nanotechnology, and devices.

Abstract

Multimodal Optically Nonlinear Nanoparticles Exhibiting Simultaneous Higher Harmonics Generation and Upconversion Luminescence for Anticounterfeiting and 8-bit Optical Coding

The abstract reports the development of multimodal nonlinear optically active lanthanide-doped lithium niobate nanoparticles capable of efficient second and third harmonic generation, up-conversion photoluminescence, and their applications in various fields, including biocompatible fibers, 3D printing, fingerprint detection, and an 8-bit coding platform for anti-counterfeiting and optical information processing.

Abstract

Melt-Extruded Thermoplastic Liquid Crystal Elastomer Rotating Fiber Actuators

The abstract discusses the development of untethered soft fiber actuators using a melt-extrusion and drawing process to create thermoplastic liquid crystal elastomer fibers that enable large-scale, programmable, and recyclable rotational deformations and torques.

Abstract

Machine Learning Customized Novel Material for Energy-Efficient 4D Printing

This study showcases the groundbreaking concept of in situ 4D printing, achieved through the seamless combination of time-dependent precipitation hardening and 3D geometry shaping. The research offers valuable insights into the development of customized materials using laser additive manufacturing (LAM), leveraging a deep understanding of the interaction between inductive heat treatment (IHT) and materials.

Abstract

Machine Learning Enabled Image Analysis of Time-Temperature Sensing Colloidal Arrays

Researchers demonstrate a method for using colloidal crystal arrays to simultaneously measure time and temperature. Each crystal array has unique film formation kinetics, and machine learning-enabled image analysis allows for autonomous recording of isothermal heating events using a smartphone camera.

Abstract

Decoration for the Dead: Using XRF to Test Pigment Color on Ancient Egyptian Sarcophagi

A team of scientists from the Denver Museum of Nature and Science and the University of Denver conducted advanced tests on two wooden sarcophagi and mummified remains discovered in Egypt. Led by Drs. Bonnie Clark and Keith Miller, the team utilized X-ray fluorescence (XRF) to analyze the material chemistry of the pigments used in painting the sarcophagi and mummies.

Abstract

Aerosol-Jet-Printed Encapsulation of Organic Photovoltaics

The study demonstrates the development and optimization of an aerosol jet (AJ)-printing process for coating organic electronic devices (OEDs) with a barrier material called perhydropolysilazane (PHPS).

Abstract

Surface-Dependent Properties and Tunable Photodetection of CsPbBr3 Microcrystals Grown on Functional Substrates

This abstract describes the fabrication and characterization of CsPbBr3 microcrystals, which exhibit distinct heterogeneity in photoluminescence and conductivity across different facets, and their potential application as high-performance photodetectors with impressive responsivity.

Abstract

Dislocation-tuned electrical conductivity in solid electrolytes (9YSZ): A micro-mechanical approach

This study demonstrates precise control over dislocation generation and annihilation in yttria-stabilized zirconia (YSZ) ceramics through micromechanical techniques, resulting in significantly enhanced electrical conductivity, primarily attributed to oxygen ionic conductivity, opening avenues for improving solid oxygen electrolytes.

Abstract

Programmable droplet manipulation enabled by charged-surface pattern reconfiguration

Research has developed a new method for programmable droplet manipulation using conductive/nonconductive patterns and charge deposition. This approach allows for multifunction droplet manipulations, such as sliding, sorting, merging, and mixing. Additionally, the pattern reconfiguration enables sophisticated and large scale-up droplet handling capabilities in a cost-effective and simple manner.

Abstract

Viscous healing of Vickers indentation–induced cracks in glass

This study investigated the healing of cracks induced by Vickers indentation in different types of glass. The crack length, width, and depth were measured over time using laser scanning microscopy. The results showed that, despite similar glass properties, the healing behaviors of the cracks differed significantly among the glasses.

Abstract

Shallow Sediment as a Phosphorus Reservoir in an Oligotrophic Lake

Researchers conducted a study on Skaneateles Lake in New York to understand the role of sediment in phosphorus storage and release into the water. They collected sediment samples from the lake and analyzed them by XRF for various elements and characteristics.

Abstract

Application of automated and robotically deployed in situ X-ray fluorescence analysis for nuclear waste management

A robotically deployed XRF system is expected to be part of a wider autonomous characterization toolkit, capable of large-area mapping and targeted compositional analysis.

Abstract

Optical Binding-Driven Micropatterning and Photosculpting with Silver Nanorods

This work presents a method for controllably creating silver micropatterns by laser-induced photosculpting, driven by plasmonic interactions between pulsed laser radiation and silver nanorods (AgNRs). The photosculpted Airy castles contain emissive Ag nanoclusters, allowing for the visualization and examination of the aggregation process using luminescence microscopy.

Abstract

Optical Characteristics of Stretchable Chiral Liquid Crystal Elastomer under Multiaxial Stretching

Chiral liquid crystal elastomers (CLCEs) are soft photonic materials with tunable structural color through mechanochromism. This study investigates the optical properties of CLCEs under multiaxial stress, confirming that uniaxial stretching causes a loss of intrinsic circular polarization selectivity, while biaxial and out-of-plane stretching maintain circular polarization.

Abstract

Emission or scattering? Discriminating the origin of responsiveness in AIEgen-doped smart polymers using the TPE dye

Aggregation-induced emission (AIE) luminogens are fascinating dyes used to study polymer properties, particularly how they are influenced by changes in chain mobility and free volume. However, measuring their photoluminescence quantum yield (PLQY) during stimuli like heat or mechanical stress is challenging, leading researchers to commonly use emission intensity as a substitute, assuming a direct correlation with PLQY.

Abstract

Micro Organic Light Emitting Diode Arrays by Patterned Growth on Structured Polypyrrole

Patterning organic light emitting diodes (OLEDs) with high-resolution using conducting polymer polypyrrole (PPy) as the nucleation layer allows for the fabrication of micro OLED arrays, including red, green, and blue micro OLEDs. These micro OLEDs demonstrate impressive current efficiency, with the green micro OLEDs achieving a maximum of 3.41 cd A−1, an 80% improvement over devices on indium tin oxide glass.

Abstract

Coupled Molecular Emitters in Superstructures Interact with Plasmonic Nanoparticles

Using hyperspectral measurements, researchers studied J-aggregate nanorods of porphyrin molecules embedded in plasmonic Au nanoparticles arrays. The measurements revealed a shift in the absorption peak of J-aggregate nanorods when they crossed onto a plasmonic array, displaying weak coupling properties only for the embedded part.

Abstract

Thermotropic Colloidal Liquid-Crystalline Hydroxyapatite Nanorod Hybrids Containing a Forklike Mesogen

The study presents a novel approach to creating thermotropic colloidal liquid-crystalline (LC) hybrids by introducing dendritic forklike mesogens onto hydroxyapatite (HAp)/poly(acrylic acid) (PAA) nanorods through electrostatic interactions and cation metathesis. This surface modification enables the HAp/PAA nanorods to exhibit thermotropic colloidal LC phases, showcasing promise for the development of sustainable stimuli-responsive materials

Abstract

Fabrication of 3D Oriented MOF Micropatterns with Anisotropic Fluorescent Properties

This article discusses a MOF film specifically designed to be patternable, necessary for the fabrication of devices with anisotropic properties, with applications in microelectronics and photonics.

Abstract

Complex Refractive Index Extraction for Ultrathin Molybdenum Oxides Using Micro-Photonic Integrated Circuit Chips

This work proposes a platform using silicon photonics to accurately and reliably measure the complex refractive indices of ultrathin 2D materials.

Abstract

Optical Gain Switching by Thermo-Responsive Light-Emitting Nanofibers through Moisture Sorption Swelling

This article explains how nanofibers made of thermo-responsive poly(2-n-propyl-2-oxazoline) with a blue-emitting chromophore have been developed with optical gain. This gain is temperature and humidity dependent, and can be halved when close to the polymer cloud point temperature, allowing reversible switching of the emission intensity. These nanofibers may be used for lasers, optoelectronics, and smart sensors.

Abstract

Microspectroscopy on Thin Films of Colloidal Mixture Gradients for Data-Driven Optimization of Optical Properties

This article discusses a method to quickly screen optical properties in mixtures of different colloids in order to find materials with tunable optical properties.

Abstract

Biomimetic Multi-Color Separating Photonic Skin Using Electrically Stretchable Chiral Photonic Elastomers

Multi-color control of stretchable photonic systems improves the functionality of various potential photonic applications.

Abstract

Structure Design of Soft Magnetic Materials using Electron Beam-based Additive Manufacturing

This study explored the use of Electron Beam Powder Bed Fusion (PBF-EB) to additively manufacture Fe₉₃․₅Si₆․₅ (wt.%) soft magnetic materials in toroidal shapes, utilizing various hatching strategies to produce differing structures.

Abstract

Hierarchical Network Enabled Flexible Textile Pressure Sensor with Ultrabroad Response Range and High-Temperature Resistance

The abstract describes the development of a high-performance pressure sensor using a polyimide fiber fabric with functionalized carbon nanotubes, which can detect a wide range of pressures and withstand harsh environments. The sensor was found to be capable of monitoring human physiological information and detecting both extremely low and high pressure, making it suitable for use in daily activities as well as harsh conditions.

Abstract

Ultrathin, Transparent, and High Density Perovskite Scintillator Film for High Resolution X-Ray Microscopic Imaging

The abstract describes the development of Ce³⁺ ion doped CsPbBr₃ nanocrystals with enhanced light yield and stability, which are used to create ultrathin and transparent scintillator films with high density for high-resolution X-ray microscopic imaging. The films achieve a record spatial resolution of 862 nm.

Abstract

Dynamically Tunable Optical Cavities with Embedded Nematic Liquid Crystalline Networks

The abstract describes a novel approach to dynamically control light using a tunable metal-insulator-metal (MIM) Fabry-Pérot (FP) cavity with solid-state temperature-responsive optical coatings based on a monodomain nematic liquid crystalline network. The proposed mechanism offers large, reversible, and highly linear spectral tuning of optical resonances, enabling reversible switching between reflective and absorbing states over the entire visible and near-infrared spectral regions with high modulation efficiency.

Abstract

Influence of Polyfluorinated Side Chains and Soft-Template Method on the Surface Morphologies and Hydrophobic Properties of Electrodeposited Films from Fluorene Bridged Dicarbazole Monomers

The abstract describes a study on the relationship between molecular structure and the morphology of electrodeposited gas bubbles template polymer thin films. Fluorene-bridged dicarbazole derivatives containing polyfluorinated side chains were synthesized and their electrochemical properties were investigated, showing that the nanostructural and morphological properties of the resulting hydrophobic films could be fine-tuned by adjusting electrochemical parameters.

Abstract

Cellulose Nanocrystal Aqueous Colloidal Suspensions: Evidence of Density Inversion at the Isotropic-Liquid Crystal Phase Transition

The abstract reports the coexistence of liquid crystal upper phase and isotropic bottom phase in aqueous suspensions of cellulose nanocrystals (CNCs) at the isotropic-nematic phase separation. It also explains the presence of air dissolved in the water present within the CNCs as the reason for the existence of an LC low-density phase.

Abstract

Hierarchical Organization of Structurally Colored Cholesteric Phases of Cellulose via 3D Printing

This abstract describes the production of structurally colored hydroxypropyl cellulose filaments through 3D printing, with a suppressed angular color response. The study reveals the key stages in the induction of a two-degree hierarchical order through 3D printing and the possibility of modifying the wrinkling behavior to change the angle dependence of the color response.

Abstract

Fabrication of Efficient Single-Emitter Plasmonic Patch Antennas by Deterministic In Situ Optical Lithography using Spatially Modulated Light

The abstract discusses a new protocol for the non-destructive positioning of plasmonic structures for efficient single-photon emission. The emission statistics of the plasmonic antennas with a single quantum dot are analyzed, and it is shown that the presented antenna induces a 1000-fold effective increase in the absorption cross-section and shows nonlinearly enhanced emission under high pumping.

Abstract

MXene-Nanoflakes-Enabled All-Optical Nonlinear Activation Function for On-Chip Photonic Deep Neural Networks

The abstract describes the development of a reconfigurable saturable absorber using MXene thin film and a silicon waveguide for on-chip neural networks. The use of MXene flakes is shown to enhance electromagnetic absorption and achieve near 99% accuracy in a machine-learning application.

Abstract

Holographic Manipulation of Nanostructured Fiber Optics Enables Spatially-Resolved, Reconfigurable Optical Control of Plasmonic Local Field Enhancement and SERS

The abstract discusses the integration of plasmonic structures on step-index optical fibers and the challenges posed by turbidity of light propagation in multimode fibers. The authors propose a new approach to spatiotemporally control the plasmonic resonances by harnessing the interaction between plasmonic modes on the fiber tip and the full set of guided modes. This approach enables direct control of the probe's work point in the dispersion diagram and offers new sensing and manipulation capabilities for biomedical applications of holographic endoscopic imaging.

Abstract

A Continuous Gradient Colloidal Glass

The abstract presents a general synthetic approach to bottom-up fabrication of continuous size gradient colloidal ensembles, yielding photonic colloidal glasses with a continuous size gradient that can manipulate light propagation in a novel way, resulting in vivid structural colors and superior light scattering across the gradient. The process has significant potential for a variety of other particle-based systems and can provide novel physical insights and functionalities.

Abstract

Metal-Free Perovskite Piezoelectric Nanogenerators for Human–Machine Interfaces and Self-Powered Electrical Stimulation Applications

The abstract reports the observation of intrinsic piezoelectricity in metal-free perovskite films, as well as a cytotoxicity test to evaluate their low-toxic nature. The as-synthesized perovskite is integrated into a piezoelectric nanogenerator that can serve as a self-powered strain sensor for human-machine interface applications or be adopted in in vitro electrical stimulation devices, demonstrating a path of perovskite-based PENG with high performance, low toxicity, and multifunctionality for future advanced wearable sensors and portable therapeutic systems.

Abstract

Dewetting-Assisted Interface Templating: Complex Emulsions to Multicavity Particles

The abstract describes a method for creating intricate microparticle geometries using emulsion-templating and polydimethylsiloxane (PDMS) swelling behavior. The resulting microparticles have potential applications in cargo delivery, structural coloring, and biosensing.

Abstract

Dislocation toughening in single-crystal KNbO₃

Dislocation-tuned functionality in ceramics and focuses on the engineering of high dislocation densities in KNbO₃ to improve fracture toughness by a factor of 2.8. The microstructures and toughening mechanisms are examined through various microscopy methods and high-temperature tests to pinpoint the origin of the toughening effect to be dislocations.

Abstract

The formation of microcrystalline defects on the surface of silica glass arising from mechanochemical processing

The article examines defects on the surface of silica glass that appear after mechanical processing and chemical cleaning, resulting in microcrystalline defects that affect the structure of the atomic network and increase internal friction in silica glass mechanical resonators, which should be considered in the development of high-Q resonator fabrication technology.

Abstract

Highly Flexible Electroluminescent Devices Based on Super Durable AlN-Dispersed Ag Ultrathin Films

This work develops a solution to the stability problems of flexible electrodes based on ultrathin metals, which is a key issue for their practical application in optoelectronic devices. The solution is the preparation of ultrathin and stable doped silver films by introducing a small amount of AlN during the sputtering process, resulting in excellent luminescence performance and mechanical flexibility under operating conditions for flexible ACEL devices.

Abstract

High-Quality Femtosecond Laser Surface Micro/Nano-Structuring Assisted by A Thin Frost Layer

Researchers have found a way to improve the efficiency of femtosecond laser ablation by using a thin frost layer on the target surface, which reduces unwanted effects such as debris redeposition, recast layer formation, and heat-affected zones. This technique allows for the creation of high-quality micro/nanostructures on both plane and curved surfaces, even at high laser fluences.

Abstract

Interfacial Degradation and Pattern Evolution of Exfoliated Graphene by Cyclic Mechanical Loading

This study investigates the interfacial mechanics of 2D material-polymer systems by dynamic loading. The interfacial degradation and pattern evolution of single- and few-layer graphene on polydimethylsiloxane (PDMS) substrates by cyclic mechanical loading are reported, which can promote better understanding of the interfacial effect of 2D materials on polymer substrates and controllable fabrication of various wrinkled or crumpled surfaces of 2D functional materials by cyclic mechanical loading.

Abstract

High-Throughput Metal 3D Printing Pen Enabled by a Continuous Molten Droplet Transfer

This article discusses a new approach to metal additive manufacturing (AM) called M3DPen, which utilizes arc plasma as an alternative heat source to expensive lasers.

Abstract

Alternative Photothermal/Electrothermal Hierarchical Membrane for Hypersaline Water Treatment

A versatile interfacial heating membrane has been developed that uses electricity or solar energy to treat hypersaline wastewater quickly. The hierarchical membrane functions both as a separation membrane and an interface heater, providing an efficient desalination strategy that can produce freshwater from brines for various applications.

Abstract

Electric Field Driven Reversible Spinodal Dewetting of Thin Liquid Films on Slippery Surfaces

The article discusses how the stability of thin liquid films on surfaces can be controlled using external stimuli such as electric field, temperature, or light. The study focuses on electric-field-induced reversible dewetting and rewetting of thin liquid films underneath aqueous drops on slippery surfaces, which demonstrated complete reversibility of the process.

Abstract

Effect of Combined Grinding–Burnishing Process on Surface Integrity, Tribological, and Corrosion Performance of Laser-Clad Stellite 21 Alloys

The study investigated the effects of grinding-burnishing on Stellite 21 alloys coating deposited by laser cladding. The results showed that grinding-burnishing improved surface finish, reduced surface porosity, increased hardness and wear resistance, improved impact resistance, and enhanced corrosion resistance, making it a potential post-treatment route for laser-clad alloys.

Abstract

Light Switching Microprojector Allows Endoscopic In Vivo 3D Imaging of Gastrointestinal Abnormalities

A new in vivo 3D imaging technique using a light switching microprojector integrated with a clinical endoscope is described. The technique allows for precise measurement of abnormal tissue size and volume in experiments on polyp phantoms, ex vivo human abnormal tissue, and in vivo changes in the inflated stomach wall of an anesthetized pig, and has potential for use in biometric applications.

Abstract

Hierarchical Wrinkling-Cracking Architectures for Flexible Pressure Sensors

The pressure sensor can exhibit distinct sensing performances for various specific applications, depending on the working mode.

Abstract

The Blue-LED-Sensitive Naphthoquinone-Imidazolyl Derivatives as Type II Photoinitiators of Free Radical Photopolymerization

The polymerization performance of dye4/Iod is equal to or better than that of common commercial Type II photoinitiators.

Abstract

4D Printing of Supramolecular Liquid Crystal Elastomer Actuators Fueled by Light

This study presents the synthesis of a light-fueled supramolecular LCE, which is capable of being printed without photo-crosslinking and can be triggered to perform shape changes both in air and water, creating potential avenues for the application of "smart" and sustainable materials in additive manufacturing.

Abstract

3D Acoustofluidics via Sub-Wavelength Micro-Resonators

This study demonstrates a 3D acoustofluidic approach that allows for rapid and spatially defined micromanipulation of particles through the use of arbitrarily arranged micro-resonator arrays, resulting in highly localized and defined micromanipulation with potential applications in biomedical research.

Abstract

Characterization of the Foreign Body Response of Titanium Implants Modified with Polyphenolic Coatings

Surface coatings made of antioxidant polyphenolic molecules tannic acid (TA) and pyrogallol (PG) were found to improve hemocompatibility and reduce oxidative stress during wound healing but did not have anti-inflammatory effects on human gingival fibroblasts.

Abstract

Complementary Surface-Enhanced Raman Scattering (SERS) and IR Absorption Spectroscopy (SEIRAS) with Nanorods-on-a-Mirror

This study presents a complementary surface-enhanced vibrational spectroscopy approach to probe the vibrational signature of metal-bound molecular monolayers and investigate cavity-modified chemical reactions.

Abstract

Core/Shell Magnetite/Copolymer Composite Nanoparticles Enabling Highly Stable Magnetorheological Response

A new Fe₃O₄/copolymer composite nanoparticle has been synthesized to provide a lighter density, sufficient active interface, and enhanced stability for Magnetorheological fluids (MRFs), making them more suitable for smart control applications.

Abstract

Microstructural Evolution of Amorphous Self-healing Geopolymer Composites Containing Alumina and Glass Frit

Geopolymers are X-ray amorphous, corrosion resistant, and refractory materials made from industrial waste ash, volcanic rock, or calcined clay, with the addition of alumina platelets and glass frit, which was studied in this research and shown to reduce linear shrinkage and form an open porosity of less than 1% with a uniform surface glaze of 250 μm thickness.

Abstract

Fully Optical in Operando Investigation of Ambient Condition Electrical Switching in MoS₂ Nanodevices

These findings provide a crucial understanding of nanoprocess in vertically biased MoS₂ nanosheets, which opens new routes to conscious engineering and optimization of 2D electronics.

Abstract

High Sensitivity Near-Infrared Imaging of Fluorescent Nanosensors

Optical nanosensors based on single-wall carbon nanotubes are able to capture biochemical processes.

Abstract

A 3D-Bioprinted Functional Module Based on Decellularized Extracellular Matrix Bioink for Periodontal Regeneration

This paper demonstrates the effectiveness and feasibility of 3D bioprinting combined with a dental follicle-specific dECM bioink for periodontium regeneration.

Abstract

Fiber-Optic Theranostics (FOT): Interstitial Fiber-Optic Needles for Cancer Sensing and Therapy

Photonics has facilitated the development of many new methods for diagnosing and treating cancer.

Abstract

Spiked Nanostructures Disrupt Fungal Biofilm and Impart Increased Sensitivity to Antifungal Treatment

These findings may eventually prove to be impactful in the clinic, as clinicians may be able to reduce antifungal drug dosages and minimize the effects of drug associated toxicity.

Abstract

Toward Hydrogen-Free and Dendrite-Free Aqueous Zinc Batteries: Formation of Zincophilic Protective Layer on Zn Anodes

This work provides a facile and effective strategy to suppress both hydrogen evolution reaction and dendrite growth.

Abstract

Surfaces Decorated with Enantiomorphically Pure Polymer Nanohelices via Hierarchical Chirality Transfer across Multiple Length Scales

During chemical vapor deposition (CVD) of chiral precursors into cholesteric LC films, aspects of molecular and mesoscale asymmetry combine constructively to form regularly twisted nanohelices. Enantiomorphic surfaces permit the tailoring of a wide range of functional properties, such as the asymmetric induction of weak chiral systems.

Abstract

Emerging methods in biomarker identification for extracellular vesicle-based liquid biopsy

This article aims to present an overview of current EV assessment techniques, with a focus on their progress and limitations, as well as an outlook on the clinical translation of an EV-based liquid biopsy that may augment current paradigms for the diagnosis, prognosis, and monitoring the response to therapy in a variety of disease settings.

Abstract

Deep Learning Enabled Scalable Calibration of a Dynamically Deformed Multimode Fiber

The proposed method paves the way for the experimental realization of scalable calibration of a dynamically deformed multimode fiber (MMF).

Abstract

Super-Resolution Near-Infrared Fluorescence Microscopy of Single-Walled Carbon Nanotubes Using Deep Learning

The results open the path for accelerated and accessible super-resolution of nIR fluorescent SWCNTs images, further advancing their applicability as nanoscale optical probes.

Abstract

Microstyling of Biofluorescence in Human Hair as Sustainable and Functional Waste

This work's simple yet impactful consequence lays the foundation on which the industrial applicability of the functionalized human hair waste can be achieved, realizing a possible cyclical economy through sustainable resources.

Abstract

Magnetoresponsive Optical Fiber with Fuse-Effect-Induced Fluorinated Graphene Oxide Core

A magnetic field sensor using the fused POF is developed, and a maximum sensitivity of 4.66 pm Oe−1 (for the range of 0–400 Oe) is obtained, which is one of the top records among the previous literature.

Abstract

Interplay of Leakage Radiation and Protection in Topological Photonic Crystal Cavities

The results constitute an important step toward the use of radiative topological cavities for on-chip confinement of light, control of emitted wave fronts, and enhancement of light–matter interactions.

Abstract

Fatigue Crack Initiation and Growth Behavior in a Notch with Periodic Overloads in the Low-cycle Fatigue Regime of FV566 Ex-service Steam Turbine Blade Material

Bend bars made from FV566 martensitic stainless steel were extracted from the root of ex-service power plant turbine blades and representative notches introduced were investigated.

Abstract

Characterization of Ti–6Al–4V Fabricated by Multilayer Laser Powder-Based Directed Energy Deposition

Herein, Ti–6Al–4V is fabricated using an approach that addresses these challenges and is relevant in terms of transferability to DED–L applications in AM.

Abstract

Directly Printed Embedded Metal Mesh for Flexible Transparent Electrode via Liquid Substrate Electric-Field-Driven Jet

Here, a facile and novel fabrication method for FTEs with an embedded metal mesh via a liquid substrate electric-field-driven microscale 3D printing process is proposed.

Abstract

Investigations on Corrosion Properties of Ultrasound-Enhanced Friction-Stir-Welded Aluminum/Dual-Phase Steel Joints

The corrosion properties were investigated on the combination of different metals in hybrid structures, which may cause corrosion problems in the welding area because of the formation of a galvanic couple.

Abstract

High-Temperature Thermal Transport in Porous Silica Materials

Here, the authors demonstrate a direct observation of the transition from a conduction dominated to a radiation dominated thermal transport mechanism for the case of particulate silica materials at temperatures reaching up to 925 °C.

Abstract

A Facile, Fabric Compatible, and Flexible Borophene Nanocomposites for Self-powered Smart Assistive and Wound Healing Applications

B-TENG not only demonstrates great potential for multifunctional self-powered healthcare sensors, but also for the promising advancements toward wearable medical assistive and therapeutic systems.

Abstract

Reversible Aqueous Zn Battery Anode Enabled by a Stable Complexation Adsorbent Interface

The complexation interface chemistry demonstrated in this study opened up new avenues for the design of low-cost and highly reversible Zn metal electrodes towards next-generation RAZBs.

Abstract

Corrosion Fatigue of Ti-6Al-4V Coupons Manufactured by Directed Energy Deposition

An ≈50% decrease in fatigue life was observed in Ringer's solution at 6 Hz loading frequency, clearly important in designing implants.

Abstract

Chitosan Coated Alginate Beads as Probiotic Delivery System for New Zealand Black Footed Abalone (Haliotis iris)

High palatability and stability of CCALG beads in seawater combined with controlled release of viable probiotics show that encapsulation of probiotics in CCALG beads is an efficient method for delivery of probiotics in aquaculture.

Abstract

In Vitro Biocompatibility Evaluation of a Heat-resistant 3D Printing Material for use in Customized Cell Culture Devices

The investigated material shows great potential for high-resolution 3D printing of novel cell culture systems that are highly complex in design, customized and easily sterilizable.

Abstract

Activity of AC Electrokinetically Immobilized Horseradish Peroxidase

The high residual activity of enzymes after AC field induced immobilization shows this method's suitability for biosensing and research applications.

Abstract

Detection of Lithium-Ion Cells’ Degradation through Deconvolution of Electrochemical Impedance Spectroscopy with Distribution of Relaxation Time

DRT peaks allow to characterize cell aging and their tracking can help to develop more reliable state of health estimators.

Abstract

Strain Monitoring in Reduced Graphene Oxide-coated Glass Fiber/Epoxy Composite

The composite showed low hysteresis and low electrical viscosity which make these materials suitable for industrial piezoresistive strain sensors.

Abstract

Measured Growth Rates of Ibuprofen: Comparing Single Crystal and Bulk Suspensions Data

Studies on single crystals can have utility for the purpose of crystallization process design and optimization.

Abstract

Effect of Synergy between Pyrolysis Carbon Black and Carbon Nanofibers on Composite properties

This study provides new ideas for polymer composite processing.

Abstract

A Novel Method to Control the Crystallographic-Preferred Orientation of Lead Iodide Toward Highly Efficient and Large-Area Perovskite Solar Cells

Herein, a facile method is provided to produce controllable lead iodide as the raw material for formamidinium-based PSCs.

Abstract

Microfluidic Device for Concentration and SERS-based Detection of Bacteria in Drinking Water

Results confirmed the system to be promising for the construction of a disposable optical platform for reliable and rapid pathogen detection.

Abstract

Process Optimization of High Entropy Alloys by Laser Additive Manufacturing

Optimizing the laser parameters achieved by preheating temperature invariably improved the performance of the alloys with potential coatings and structural applications.

Abstract

Upgrading Poly(Styrene-Co-Divinylbenzene) Beads: Incorporation of Organomodified Metal-free Semiconductor Graphitic Carbon Nitride through Suspension Photopolymerization to Generate Photoactive Resins

Metal-free semiconductor g-CN donates photoactivity to polymer networks that can be employed for dye photodegradation and acid–base catalyst transformation through facile photoinduced surface modifications.

Abstract

Effect of deposition conditions on physical properties of sputtered silicon oxynitride thin films on float glass

Researchers report on the interrelationship between the conditions of the reactive magnetron deposition process and composition, structure and in turn optical and mechanical properties.

Abstract

Preparation of Amphiphilic Janus Particles and Their Application in Stabilising Foams

This work presents the preparation of foaming Janus particles (JPs) decorated with fluorinated chains by the Pickering emulsion method and investigates their self-assembly behaviour at the air–water interface and foam stability under a limited range of concentrations.

Abstract

P-Glycoprotein Antibody Decorated Porous Hydrogel Particles for Capture and Release of Drug-Resistant Tumor Cells

In this study, novel P-glycoprotein antibody modified porous hydrogel particles are proposed for drug-resistant tumor cells capture.

Abstract

Programmable and Parallel Trapping of Submicron/Nanoscale Particles Using Acoustic Micro-Pillar Array Chip

This work presents a novel method using a low-frequency acoustic field actuated micro-pillar array chip to efficiently enable programmable and parallel trapping of nanoparticles.

Abstract

Key Role of Nitrate in Phase Transitions of Urban Particles: Implications of Important Reactive Surfaces for Secondary Aerosol Formation

Here hygroscopic properties of laboratory-generated ammonium sulfate-ammonium nitrate particles and individual particles collected during haze events in an urban site were investigated using an individual particle hygroscopicity system.

Abstract

Controllable Frontal Polymerization and Spontaneous Patterning Enabled by Phase-Changing Particles

Frontal polymerization provides a rapid, economic, and environmentally friendly methodology to manufacture thermoset polymers and composites.

Abstract

Interfacial Self-Assembly of Amphiphilic Dual Temperature Responsive Actuating Janus Particles

In this article, the self-assembly of dual temperature responsive amphiphilic Janus particles at liquid–liquid interfaces and their subsequent conversion into an actuating layer-shaped surface are presented.

Abstract

High-Density Microfluidic Particle-Cluster-Array Device for Parallel and Dynamic Study of Interaction between Engineered Particles

A high-density and high-performance microfluidic particle-cluster-array device utilizing a novel hydrodynamically tunable pneumatic valve is reported for parallel and dynamic monitoring of the interactions taking place in particle clusters.

Abstract

Enhanced Fluorescence Emission and Magnetic Alignment Control of Biphasic Functionalized Composite Janus Particles

Magnetoresponsive Janus particles, of which the orientation can be controlled by an external magnetic field, are prepared by the simple introduction of polymer-coated magnetic nanoparticles into the hemispheres of Janus particles.

Abstract

Supercolloidal Spinners: Complex Active Particles for Electrically Powered and Switchable Rotation

A class of supercolloidal particles that controllably spin about their central axis in AC electric fields is reported.

Abstract

Custom Design of Protein Particles as Multifunctional Biomaterials

In this article, the authors describe an easy-to-implement engineering strategy to generate customized protein particles as multifunctional biomaterials.

Abstract

High-Throughput Inertial Focusing of Micrometer- and Sub-Micrometer-Sized Particles Separation

The ability to study individual bacteria or subcellular organelles using inertial microfluidics is still nascent. This is due, in no small part, to the significant challenges associated with concentrating and separating specific sizes of micrometer and sub-micrometer bioparticles in a microfluidic format.

Abstract

Green Preparation of Hydrogel Particles-in-emulsions for Simultaneous Enhancement of Humoral and Cell-mediated Immunity

Emulsions are one of the most often used vaccine adjuvant formulations. Although they promote high humoral immunity, the induced cellular immunity is often poor, which restrict their application.

Abstract

Corrosion Resistance and In Vitro Evaluation of the Pulsed Current Electrodeposited Hydroxyapatite Coatings on Nitinol Shape Memory Alloy

Calcium phosphate (Ca-P) ceramics are used in orthopedics and dentistry due to their excellent biocompatibility and osseointegration. In this study, calcium phosphate coatings were deposited on Nitinol shape memory alloy by a pulse electrodeposition technique.

Abstract

Corrosion and Mechanical Properties of Age-hardened UNS N06625 Forged Bars for Oil and Gas Applications

The aim of this study was to assess the achievable mechanical properties and corrosion resistance of UNS N06625 forged bars in age-hardened condition with respect to the annealed one, to understand the feasibility of this not conventional heat treatment for the industrial application.

Abstract

Effect of Surface Volta Potential of Cr-containing Steel on Uniform Corrosion and Pitting Corrosion

The corrosion behavior of 5.5%Cr–8.5%Cr steels in a CO2 environment was studied. To clarify the effect of Volta potential on uniform corrosion and pitting corrosion, weight loss test, electrochemical measurement, scanning electron microscope, energy dispersive spectrometer, confocal laser scanning microscope, and scanning Kelvin probe force microscope were conducted.

Abstract

Mechanisms of Localized Corrosion of Carbon Steel Associated With Magnetite/Mackinawite Layers in a Cement Grout

Carbon steel electrodes covered with a specific low-pH cement grout, designed for nuclear waste management applications, were immersed for 30 days in a 0.01-M NaCl + 0.01-M sodium hydrogencarbonate solution, in aerated conditions, at 80°C.

Abstract

Corrosion Behavior and Microstructural Evolution of BN–ZrO2–SiC Composites in Molten Steel

The influence of SiC content on corrosion resistance and microstructural evolution of BN–ZrO2–SiC composites after corrosion in molten steel at 1600°C has been investigated.

Abstract

Effect of Heat Treatment on the δ Phase Distribution and Corrosion Resistance of Selective Laser Melting Manufactured Inconel 718 Superalloy

The microstructure, δ phase precipitating behavior and marine corrosion resistance of selective laser melted Inconel 718 alloy were studied in two different heat treatment conditions.

Abstract

Corrosion Behaviors of Long-Period Stacking Ordered Structure in Mg Alloys Used in Biomaterials: A Review

In this review, the current understanding about the structure, growth, transformation, and deformation of long-period stacking ordered phases in Mg alloys are summarized.

Abstract

Effects of Alloying Elements and Microstructure on Stainless Steel Corrosion: A Review

A comprehensive review of the main findings on the corrosion of stainless steel is presented, and some controversial issues are highlighted.

Abstract

Corrosion and Nanomechanical Behavior of High Strength Low Alloy Steels

The effect of electro-slag refining (ESR) processing with niobium inoculation and increased carbon content of high strength low alloy steel was examined using electrochemical corrosion and nanomechanical test methods.

Abstract

Effect of Cu, Cr and Ni Alloying Elements on Mechanical Properties and Atmospheric Corrosion Resistance of Weathering Steels in Marine Atmospheres of Different Aggressivities

This paper studies the individual and combined effect of adding Cu, Cr and Ni alloying elements to carbon steel with regard to mechanical behaviour and atmospheric corrosion resistance in two marine atmospheres with different chloride deposition rates.

Abstract

Corrosion Behavior of Steel in Pore Solutions Extracted From Different Blended Cements

Mortar specimens made from four different types of cement, CEM I, CEM II, CEM III, and CEM IV, were prepared and pore solutions extracted. Three different types of exposure were studied: noncarbonated without chlorides, noncarbonated with chlorides, and carbonated with chlorides.

Abstract

Understanding the corrosion behaviour of the magnesium alloys EV31A, WE43B, and ZE41A

This article seeks to understand the corrosion performance of the relatively new magnesium alloy EV31A, compared with that of WE43B and ZE41A. Furthermore, the alloys EV31A, WE43B, and ZE41A were to be studied in the condition as used in service.

Abstract

Corrosion Properties of Low Carbon Steel Prepared by Submerged Friction Stir Processing

Submerged friction stir processing (SFSP), that is, the entire process was carried out underwater, was successfully conducted on low carbon steel.

Abstract

Real-time Corrosion Monitoring of Aluminium Alloys Under Chloride-contaminated Atmospheric Conditions

In this study, the use of electrical resistance (ER) sensors to monitor the corrosion of Al94Cu6 alloy is assessed and compared with 2024-T3 coupons.

Abstract

Inhibitive Effect of Benzotriazole on the Corrosion and Corrosion Fatigue of α-Al Bronze Alloy in LiBr Solution

This paper compares and critically analyzes various test methods used to assess stress corrosion cracking susceptibility of the alloy EN AW-7075 (Al-Zn-Mg-Cu) in various temper conditions.

Abstract

Comparison of Test Methods Used to Analyze Stress Corrosion Cracking of Differently Tempered 7xxx Alloys

This paper compares and critically analyzes various test methods used to assess stress corrosion cracking susceptibility of the alloy EN AW-7075 (Al-Zn-Mg-Cu) in various temper conditions.

Abstract

A Review of Recent Advances in the Inhibition of Sweet Corrosion

This review paper discusses the research work published in the last decade on the use of organic compounds and natural products as corrosion inhibitors for steel in CO2 and CO2/H2S coexisting environments.

Abstract

Corrosion Damage of 316L Steel Surface Examined Using Statistical Methods and Artificial Neural Network

Detailed examination of corrosion-induced changes of the 316L steel surface is presented and discussed. The evolution of the stable pit depth with the immersion time was established using 3D maps and statistic techniques.

Abstract

The Application of Electrochemical Noise for the Study of Metal Corrosion and Organic Anticorrosion Coatings: A Review

More than just noise: Electrochemical noise was used to distinguish corrosion forms, study corrosion mechanism and assess anticorrosion coatings.

Abstract

Investigation of Polyacrylamide Containing Capsaicin Monomer as a Novel Corrosion Inhibitor for Mild Steel in Hydrochloric Acid

Polyacrylamide containing a capsaicin-derived monomer was investigated as a novel green polymer inhibitor for Q235 mild steel at 298 K in 1 M hydrochloric acid solution. Weight loss measurements, electrochemical techniques, and surface investigation methods were conducted to evaluate the inhibition performance and mechanism.

Abstract

Bioinspired Heterocyclic Compounds as Corrosion Inhibitors: A Comprehensive Review

Corrosion study is a multidisciplinary approach combining many areas of science and engineering. This review discusses and tabulates an enormous pool of heterocyclic corrosion inhibitors representing different classes of five- and six-membered heterocycles.

Abstract

The Local Electrochemical Behavior of the AA2098-T351 and Surface Preparation Effects Investigated by Scanning Electrochemical Microscopy

In this work, scanning electrochemical microscopy measurements were employed to characterize the electrochemical activities on polished and as-received surfaces of the 2098-T351 aluminum alloy .

Abstract

Thermal Shock and Sulfuric Acid Corrosion Behavior of Enamel–nano-Ni Composite/Enamel–nano-nickel Composite Coating

Dense and well-adherent enamel–nano-Ni composite/enamel–nano-nickel composite coatings were prepared on 304 steel. Their thermal shock resistance at 400°C as well as the chemical stability in sulfuric acid solution were investigated, and compared with pure enamel coatings.

Abstract

Experimental Study on the Corrosion Behavior of X70 Steel Under Asymmetric Dynamic DC Interference

The corrosion behavior of X70 steel in simulated soil environment under asymmetric dynamic direct current (DC) interference was studied by immersion tests. The experimental results showed that the negatively asymmetric dynamic DC interference would induce localized corrosion.

Abstract

Influence of Cathodic Polarity During Electrocleaning Process on the Brown Stain Defect Formation After Skin Pass on Cold-rolled Close Annealed Steel

Skin pass rolling is considered as the final forming stage in cold-rolled close annealed steel. Surface properties and flatness are the key attributes for automotive customers. Efficient skin pass rolling overcomes surface defects that lead to material rejection.

Abstract

Data-Driven Approaches Toward Smarter Additive Manufacturing

Herein, the integration of data-driven tools in various aspects of additive manufacturing (AM) is reviewed, from materials design in AM (i.e., homogeneous and composite material design) to structure design for AM (i.e., topology optimization).

Abstract

Additive Manufacturing of Electrochemical Energy Storage Systems Electrodes

Herein, a comprehensive review of the major additive manufacturing technologies and most recent literature about designing and manufacturing electrode materials for batteries and supercapacitors is presented.

Abstract

Specific Electrical Contact Resistance of Copper in Resistance Welding

The electrical contact resistance (ECR) of copper (Cu-ETP R200, soft) contacts for resistance welding (RW) is characterized. ECR plays a major role in the RW process and provides local heat generation between the parts.

Abstract

Effect of Different Dosages of Carbon Nanotubes on the Metal Friction and Metal Wear in the Mixing Process

This paper analyzes the influence of rubber compounds with different carbon nanotubes content on the friction and wear of the end face from the perspective of formulation, and the correlation between corrosive wear and abrasive wear is studied.

Abstract

Susceptibility of Chloride Ion Concentration, Temperature, and Surface Roughness on Pitting Corrosion of CoCrFeNi Medium-entropy Alloy

The influence and susceptibility of chloride ion concentration, temperature, and surface roughness on corrosion behavior of single-phase CoCrFeNi medium-entropy alloy was examined in NaCl solution.

Abstract

Preparation of Electrosprayed Composite Coated Microporous Filter for Particulate Matter Capture

Particulate matter 2.5 pollution is a serious threat to human health. In this paper, the use of electrospraying technology to fabricate composite polytetrafluoroethylene/expanded graphite coated spun-bond polypropylene microporous filters that show tremendous potential for its use as an effective PM 2.5. capture medium is presented.

Abstract

Laser Pyrolyzed Organosilazane-based Al/ZrO2 Composite Coating on Stainless Steel: Resulting Microstructure and Mechanical Properties

Protective ceramic-based coatings are frequently the most suitable solutions for problems like corrosion and wear.

Abstract

Plasma-resistance Evaluation of Yttrium Oxyfluoride Coating Prepared by Aerosol Deposition Method

To suppress particle contamination and process drift, there is a strong demand for plasma-resistant coatings that prevent corrosion of the inner ceramic components in plasma etching equipment.

Abstract

A Study on the Surface Integrity of 50CrMnMoVNb Spring Steels with Different Matrix Strengths Processed by Shot Peening

Herein, the 50CrMnMoVNb spring steels with different microstructures and strengths are surface strengthened by shot peening with the same parameter, and the effect of matrix strength on surface integrity, including the roughness, residual stress, and gradient structure, is systematically studied

Abstract

Ultrastrong Spontaneous Surface Wetting of Room Temperature Liquid Metal on Treated Metal Surface

In this work, a simple chemical method is utilized to enable spontaneous wetting of liquid metal on various metal surfaces, such as copper, nickel, and iron.

Abstract

One-Step Slot-Die Coating Deposition of Wide-Bandgap Perovskite Absorber for Highly Efficient Solar Cells

Before transferring perovskite solar cells technology to commercial applications, it is required to develop ink formulations, guaranteeing high homogeneity over a wide surface and leading to large, defect-free, and well-crystallized perovskite grains to maximize the device performances. A one-step slot-die deposition route, combining ink tailoring and vacuum aspiration solvent extraction, affording the deposition of a high-bandgap multication perovskite, is reported.

Abstract

Electroplated Copper Metal Contacts on Perovskite Solar Cells

Electroplated copper contacts on small-area single-junction perovskite solar cells using an atomic layer deposited aluminum oxide masking layer on ITO are demonstrated for the first time.

Abstract

Effect of IR-laser Treatment Parameters on Surface Structure, Roughness, Wettability and Bonding Properties of Fused Deposition Modeling-printed PEEK/CF

In this study, laser surface treatment was applied to alter the surface texturing and chemical compositions of fused deposition modeling (FDM)-printed PEEK/CF samples to improve the deficiency of inert surface of PEEK as adherend substrate.

Abstract

Direct Microtip Focused Electrohydrodynamic Jet Printing of Tailored Microlens Arrays on PDMS Nanofilm-Modified Substrate

Herein, a one-step maskless fabrication method of MLAs on polydimethylsiloxane (PDMS) nanofilm modified substrate via microtip focused electrohydrodynamic jet (MFEJ) printing is described.

Abstract

Non-Destructive or Noninvasive? The Potential Effect of X-Ray Fluorescence Spectrometers on Luminescence Age Estimates of Archaeological Samples

The non-destructive nature of X-ray fluorescence (XRF) spectrometers is a principal reason for an increase in their use in archaeological science over the last 15 years, especially for analyzing museum-curated artifacts and in situ site fabrics.

Abstract

Ceramic Production in the Kur River Basin (Fars, Iran) During the Middle to Late Second Millennium bce: A Geochemical and Technological Characterization

A total of 119 middle to late second millennium bce pottery samples from six sites in the Kur River Basin (Fars, Iran) were examined to characterize these ceramics and reconstruct their manufacturing technology and the origin of the primary materials.

Abstract

Elemental mapping of micromorphological block samples using portable X-ray fluorescence spectrometry (pXRF): Integrating a geochemical line of evidence

Through an Exploratory Spatial Data Analysis approach, it is demonstrated that portable X-ray fluorescence (pXRF) elemental mapping of resin-impregnated micromorphological block samples provides a complementary geoarchaeological approach for gathering valuable chemical information at the mesoscale.

Abstract

What Can We Learn From X-Ray Fluorescence Core Scanning Data? A Paleomonsoon Case Study

The interpretation of XRF-derived element ratios in paleoclimatic and paleoceanographic studies primarily considers differences in the relative abundances of particular elements. Here the new XRF core scanning data from two long sediment cores in the Andaman Sea in the northern Indian Ocean are presented.

Abstract

Micro-Raman spectroscopy and complementary techniques (hXRF, VP-SEM-EDS, μ-FTIR and Py-GC/MS) applied to the study of beads from the Kongo Kingdom

The full characterization of the materials, including glassy network, opacifiers and colorizers, was achieved thanks to the combination of data from handheld X-ray fluorescence, variable pressure scanning electron microscopy coupled with energy-dispersive X-ray spectrometry, micro-Fourier transform infrared spectroscopy and pyrolysis coupled to gas chromatography and mass spectrometry.

Abstract

Quantifying Heterogeneity of Small Test Portion Masses of Geological Reference Materials by Portable XRF Spectrometry: Implications for Uncertainty of Reference Values

There is an increasing use of analytical macro-beam techniques (such as portable XRF, PXRF) for geochemical measurements, as a result of their convenience and relatively low cost per measurement.

Abstract

Detection of Reduced Sulfur on Vera Rubin Ridge by Quadratic Discriminant Analysis of Volatiles Observed During Evolved Gas Analysis

The Mars Science Laboratory mission investigated Vera Rubin ridge, which bears spectral indications of elevated amounts of hematite and has been hypothesized as having a complex diagenetic history.

Abstract

Cyclostratigraphy and Magnetostratigraphy of the Middle Miocene Ashigong Formation, Guide Basin, China, and Its Implications for the Paleoclimatic Evolution of NE Tibet

This article describes the investigation of the sedimentary record of the Ashigong Formation, Guide Basin, in order to better constrain the Tibetan paleoenvironmental evolution and link it to uplift episodes and monsoonal evolution.

Abstract

Diagenetic Fate of Biogenic Soft and Hard Magnetite in Chemically Stratified Sedimentary Environments of Mamanguá Ría, Brazil

Understanding the processes that link magnetotactic bacteria to their living environments is fundamental to reconstructing past chemical variations in the water column and sediment, and for using the magnetic properties of biogenic magnetite as environmental proxy indicators.

Abstract

Synergistic Use of Vis-NIR, MIR, and XRF Spectroscopy for the Determination of Soil Geochemistry

This study investigated potential of visible-near infrared (vis-NIR), mid-infrared (MIR), and portable X-ray fluorescence (pXRF) spectroscopy to characterize a full suite of soil geochemistry (40 elements), pH, and soil organic carbon in a diverse set of agricultural soils.

Abstract

Lithologic Discontinuity Assessment in Soils via Portable X-ray Fluorescence Spectrometry and Visible Near-Infrared Diffuse Reflectance Spectroscopy

Often, investigators must wait for laboratory data to help differentiate parent materials via physicochemical properties. This study used visible near-infrared diffuse reflectance spectroscopy and portable X-ray fluorescence spectrometry for establishing parent material differentia more quickly.

Abstract

Geoscience: Analytical Developments Since 2014

This GGR biennial critical review covers developments and innovations in key analytical methods relevant to the chemical, isotopic and crystallographic characterisation of geological and environmental materials.

Abstract

Agricultural Soils of the Animas River Watershed After the Gold King Mine Spill: An Elemental Spatiotemporal Analysis via Portable X-ray Fluorescence Spectroscopy

In 2015, 11.3 million L of heavy metal–contaminated water spilled into the Animas River from the Gold King Mine (Colorado, USA). In response to local concerns, surface soil elemental concentrations were analyzed in three New Mexico agricultural fields to determine potential threats to agronomic production.

Abstract

Impact of Sample Preparation Methods for Characterizing the Geochemistry of Soils and Sediments by Portable X-ray Fluorescence

The impact of three different sample preparation methods on bulk soil geochemistry data obtained from a hand-held, portable X-ray fluorescence (pXRF) spectrometer was examined.

Abstract

Portable X-ray Fluorescence Spectrometry Analysis of Soils

X-ray fluorescence spectrometry is rapid, portable, and provides multi-elemental analysis with results generally comparable to traditional laboratory-based techniques.

Abstract

Data Fusion of Vis–NIR and pXRF Spectra to Predict Soil Physical and Chemical Properties

A front-end data fusion method was tested to combine visible near-infrared and portable X-ray fluorescence spectra for predicting different soil properties and investigated the contribution of different sensor data.

Abstract

Anatomy of Sand Beach Ridges: Evidence From Severe Tropical Cyclone Yasi and Its Predecessors, Northeast Queensland, Australia

Sedimentary signatures, along with the geochemical indicators and the degraded nature of the microfossil assemblages, have proven to be useful proxies to identify storm-deposited units within the study site

Abstract

Analysis of Physical and Chemical Characteristics of Anthrosols—The Case of Former Bremen Missionary’s Settlement in Ghana

Anthrosols in the sub-Sahara developed on a mid-19th century AD Bremen missionary settlement were studied, aiming to compare the physicochemical properties with control soil. Total K, Cu, Mn, Zn, Sr, Ca, Mg and Fe indicated past settlement activities according to their significant correlations with P.

Abstract

Cost Effectiveness of Environmental Lead Risk Mitigation in Low- and Middle-Income Countries

This article reviews the cost effectiveness of the remediation of a lead contaminated site in the Dominican Republic that posed a health risk to the surrounding community. Researchers collected 152 in situ surface soil lead measurements using a portable X-Ray fluorescence instrument.

Abstract

The Incorporation of Field Portable Instrumentation Into Human Planetary Surface Exploration

This work summarizes the efforts of the RIS4E (Remote, In Situ and Synchrotron Studies for Science and Exploration) SSERVI (Solar System Exploration Research Virtual Institute) team in investigating how field portable instruments should be including into planning for future exploration EVAs (extravehicular activities).

Abstract

Anthropogenic Soils and Landscapes of European Russia: Summer School From Sea to Sea—A Didactic Prototype

This article presents a didactic prototype and the outcomes of the “Monitoring, Modeling, and Management of Urban Green Infrastructure and Soils” summer school—the first educational tour observing anthropogenic soils and landscapes along the bioclimatic gradient in European Russia, from tundra to dry steppes.

Abstract

Evaluation of Soil Arsenic Contamination at an Abandoned Apple Orchard by Portable X-Ray Spectrometry

This study demonstrates the use of a portable X-ray spectrometer to analyze soil rapidly at a former orchard in southeastern Pennsylvania. Elevated concentrations of arsenic were detected within the orchard and nearby where pesticides were mixed or dumped.

Abstract

The Future of Neuroscience: Flexible and Wireless Implantable Neural Electronics

This review article presents challenges in engineering and neuroscience in developing miniaturized and biointegrated alternatives, in the form of microelectrode probes.

Abstract

MODs vs. NPs: Vying for the Future of Printed Electronics

This Minireview compares two distinct ink types, namely metal‐organic decomposition (MOD) and nanoparticle (NP) formulations, for use in the printing of some of the most conductive elements: silver, copper and aluminium.

Abstract

Skin‐Like Electronics for Perception and Interaction: Materials, Structural Designs, and Applications

Herein, the existing flexible sensing materials and microstructures, including flexible stimuli‐responsive materials and response‐ and stretchability‐enhanced microstructures, are reviewed.

Abstract

Silk and Paper: Progress and Prospects in Green Photonics and Electronics

Photonic and electronic devices currently face challenges in terms of improved efficiency of energy harvesting and light emission, renewable energy and materials, and the development of eco‐friendly materials.

Abstract

3D Assembly of Graphene Nanomaterials for Advanced Electronics

In this progress report, the recent progress in the fabrication of graphene‐based devices for advanced electronics using controlled assembly is reported.

Abstract

Rubbery Electronics Fully Made of Stretchable Elastomeric Electronic Materials

This work reviews the recent progress in developing rubbery electronics, including the crucial stretchable elastomeric materials of rubbery conductors, rubbery semiconductors, and rubbery dielectrics.

Abstract

Programmable Stimulation and Actuation in Flexible and Stretchable Electronics

This review summarizes some of the most important progresses on the stimulating/actuating capabilities (e.g., electrical, thermal, mechanical, optical, and chemical stimulation) of flexible/stretchable electronics.

Abstract

Principles of Laser Scanning Microscopes - Part II

In the second part of the tutorial, the features and applications of industrial laser scanning microscopes, concentrating on the reflection‐type confocal laser scanning microscope built for high resolution detection are described.

Abstract

Principles of Laser Scanning Microscopes - Part I

The first part of this freely accessible tutorial article is focused on confocal optical systems, 2D and 3D scanning, confocal effect and extended focus image, and scanning mechanisms.

Abstract

Advanced Production Routes for Metal Matrix Composites

The use of metal matrix composites (MMCs) in a variety of products is significantly increasing with time. However, the future usage of MMC products is very much dependent on their beneficial aspects and hence it is critical to ensure in a robust repeatable manner the superior physical property advantages. This article provides an overview of advanced production routes for MMCs.

Abstract

A Review on Direct Assembly of Through‐the‐thickness Reinforced Metal–polymer Composite Hybrid Structures

The current status and state‐of‐art direct assembling technologies are reviewed in this article. Examples of reviewed metal structuring techniques include micromachining, stamping, Surfi‐Sculpt, additive manufacturing, cold metal transfer, and metal injection molding structuring.

Abstract

Halide Perovskite Composites for Photocatalysis: A Mini Review

This mini review summarizes the recent progresses on the design and development of halide perovskite composites for various photocatalytic reactions.

Abstract

Residual Stress in Fiber Reinforced Thermosetting Composites: A Review of Measurement Techniques

The aim of this article is to provide an up to date review of the current state of the art in experimental techniques for the determination of residual stress in thermosetting fiber reinforced composites.

Abstract

On the Molecular to Continuum Modeling of Fiber‐Reinforced Composites

A multiscale approach to model fiber‐reinforced composites, those that are characterized by an isotropic orientation of fibers, is presented.

Abstract

Laminated Object Manufacturing of Ceramic‐Based Materials

In this review article, a detailed evaluation of the applicability of laminated object manufacturing in the near net shaping ceramic‐based materials is presented.

Abstract

Additive Manufacturing of Polymer Matrix Composite Materials with Aligned or Organized Filler Material

This article reviews the combinations of fabrication and filler material alignment methods used to fabricate polymer matrix composite materials, in terms of operating and design parameters including size, resolution, print speed, filler material alignment time, polymer matrix and filler material requirements, and filler manipulation requirements.

Abstract

Effect of High‐Energy Ball Milling on Mechanical Properties of the Mg–Nb Composites Fabricated through Powder Metallurgy Process

New biocompatible and biodegradable Mg–Nb composites used as bone implant materials are fabricated through powder metallurgy process.

Abstract

Poly(Lactic Acid)–Thermoplastic Starch–Cotton Composites: Starch‐compatibilizing Effects and Composite Biodegradability

In this study, PLA was reinforced with natural cotton and thermoplastic starch to obtain a biodegradable and lower cost composite.

Abstract

An Investigation on the Mechanical and Tribological Properties of Carbon Fiber/Polyimide Composites at Elevated Temperatures

Carbon fiber reinforced thermoplastic polyimide composites were prepared, and the mechanical properties and tribological behaviors at various sliding conditions were systematically investigated.

Abstract

Comparative Structural and Mechanical Studies on Polyamide 6 Knitted‐Reinforced Single Polymer Composites Prepared by Different Reactive Processing Techniques

Single polymer laminate composites based on anionic polyamide 6 matrix‐reinforced by PA6 knitted textile structures were produced by nylon reactive injection molding and powder coating/compression molding processing techniques.

Abstract

Mechanical and Thermal Properties of Fishbone‐based Epoxy Composites: The Effects of Thermal Treatment

In this work, the fishbone particles were used in epoxy composites for the semi‐structural applications.

Abstract

Thermoplastic Polyvinyl Alcohol/Multiwalled Carbon Nanotube Composites: Preparation, Mechanical Properties, Thermal Properties, and Electromagnetic Shielding Effectiveness

This study uses the solution mixing method to combine plasticized polyvinyl alcohol as a matrix, and multiwalled carbon nanotubes as reinforcement to form PVA/MWCNTs films.

Abstract

Achieving Pseudo‐Ductile Behavior of Carbon Fiber Reinforced Polymer Composites via Interfacial Engineering

This article presents an investigation of the properties of interfacial engineered carbon fiber reinforced polymer composites.

Abstract

Seeing is Believing: In Situ/Operando Optical Microscopy for Probing Electrochemical Energy Systems

This review discusses a range of in situ/operando techniques based on optical microscopy reported in literatures for studying electrochemical energy systems.

Abstract

Polymer‐Based Low‐Temperature Thermoelectric Composites

Thermoelectric materials allow direct conversion of waste heat energy into electrical energy, thus contributing to solving energy related issues. In this review article, the most promising research in the field is highlighted and thoroughly analyzed.

Abstract

Evolving Strategies for Producing Multiscale Graphene‐Enhanced Fiber‐Reinforced Polymer Composites for Smart Structural Applications

The primary focus of this review article concerns the structural graphene‐enhanced fiber‐reinforced polymer composites and discussion on the corresponding manufacturing methodologies for the effective incorporation of graphene into these systems.

Abstract

Direct Assembly of Through‐the‐thickness Reinforced Metal–polymer Composite Hybrid Structures

Constant efforts to reduce the structural weight of transportation systems as a solution to control emission levels are currently shaping the way modern cars and airplanes are designed and manufactured.

Abstract

Processing of Fiber‐reinforced Ultra‐high Temperature Ceramic Composites

Ultra‐high temperature ceramics have emerged as promising materials for high‐temperature aerospace applications due to their high melting temperature and superior ablation performance. Even still, they have yet to reach their full potential due to the catastrophic brittle failure that typically accompanies the intrinsic low fracture toughness of ceramic materials.

Abstract

Compression Fatigue Testing Setups for Composites

This review provides an overview of existing methods for the characterization of composites, i.e., setups for testing fiber reinforced polymer composites under compression and discusses their applicability to fatigue testing.

Abstract

Reinforcing the Near Eutectic Aluminum–Silicon Alloy with Graphene: An Approach toward Self‐Lubricating Composite

Herein, the reinforcement of near eutectic Al–Si (ADC12) alloy with the reduced graphene oxide (rGO) is demonstrated. The structural, mechanical, metallurgical, and tribological characteristics are conducted to understand the role of rGO as a reinforcement phase.

Abstract

Biodegradation of Polyurethane‐polyhydroxybutyrate Elastomeric Composite Investigated From Morphological and Structural Viewpoint

Morphological, structural, and tensile changes of polyurethane‐poly(3‐hydroxybutyrate) (PU‐PHB) elastomeric composites were evaluated after accelerated test in standard compost media. Size of PHB particles together with their uniform dispersion in the matrix were found to be key parameters for material's resistivity against degradation media.

Abstract

An Integrated Approach to Thermoelectrics: Combining Phonon Dynamics, Nanoengineering, Novel Materials Development, Module Fabrication, and Metrology

This review discusses the longstanding efforts to develop advanced thermoelectrics through a multidisciplinary approach by combining condensed matter physics, nanotechnology, solid‐state chemistry, electrical engineering, mechanical engineering, and metrology.

Abstract

Electrochemical Impedance Spectroscopy Study of Commercial Li‐Ion Phosphate Batteries: A Metrology Perspective

This review article provides a number of starting‐point parameters for newcomers to metrological investigations.

Abstract

A New Frontier of Printed Electronics: Flexible Hybrid Electronics

Here, the fundamental building blocks of an Flexible Hybrid Electronics system, printed sensors and circuits, thinned silicon ICs, printed antennas, printed energy harvesting and storage modules, and printed displays, are discussed

Abstract

Fast and Reproducible Wettability Switching on Functionalized PVDF/PMMA Surface Controlled by External Electric Field

In this paper, the novel material with controllable wettability switching triggered by external electric field is developed.

Abstract

In Situ Integration of SERS Sensors for On‐Chip Catalytic Reactions

Herein, reported is the fabrication of an integrated surface‐enhanced Raman scattering (SERS) sensor and graphene‐based catalytic chip by laser scribing of graphene oxide (GO) and Ag nanoparticles (AgNPs) composite (AgNPs@GO).

Abstract

Reviewing and Understanding the Stability Mechanism of Halide Perovskite Solar Cells

In this work, four different key factors that influence the stability of halide perovskites are summarized.

Abstract

Monolithic Perovskite Tandem Solar Cells: A Review of the Present Status and Advanced Characterization Methods Toward 30% Efficiency

In this review, the main scientific and engineering challenges in the field are presented, alongside a discussion of the current status of three main perovskite tandem technologies: perovskite/silicon, perovskite/CIGS, and perovskite/perovskite tandem solar cells.

Abstract

Quantum Dots Microstructural Metrology: From Time‐Resolved Spectroscopy to Spatially Resolved Electron Microscopy

In this review, comprehensive studies on the state‐of‐the‐art metrology approaches used in QD research are introduced, with particular focus on time‐resolved and spatially resolved spectroscopy and microscopy.

Abstract

Laser‐Induced Graphene Tapes as Origami and Stick‐On Labels for Photothermal Manipulation via Marangoni Effect

In this paper, laser‐induced graphene (LIG) tape is reported as stick‐on photothermal labels for developing light‐driven actuators based on the Marangoni effect.

Abstract

Fabrication of Large‐area Linear and Nonlinear Surface Ripple Structures on Polystyrene Films

Ripple structures have been used in electronics, optics, magnetics, chemistry, and structural coloration. Commonly used methods for manufacturing large‐area polymeric thin films with ripple structures include mechanical buckling, fracture‐induced structures, and laser induced periodic surface structures.

Abstract

Review: Near‐infrared organic photoelectric materials for light‐harvesting systems: Organic photovoltaics and organic photodiodes

The inherent advantages of organic optoelectronic materials endow light‐harvesting systems, including organic photovoltaics and organic photodiodes, with multiple advantages, such as low‐cost manufacturing, light weight, flexibility, and applicability to large‐area fabrication, make them promising competitors with their inorganic counterparts.

Abstract

Review: Recent Progress on Advanced Optical Structures for Emerging Photovoltaics and Photodetectors

Herein, the recent progresses in organic‐ and perovskite‐based photovoltaics and photodetectors with integration of judicious optical structure designs are summarized.

Abstract

The Link between Ag‐Paste Rheology and Screen‐Printed Solar Cell Metallization

This study presents the impact of Ag‐paste rheology on fine line screen printing for screen openings between 15 and 24 µm at industrial printing speeds of up to 600 mm/s.

Abstract

Highly Conductive, Air‐Stable Silver Nanowire@Iongel Composite Films toward Flexible Transparent Electrodes

A new type of flexible transparent electrode is designed, by employing wettability‐induced selective electroless‐welding of silver nanowire (AgNW) networks, together with a thin conductive iongel as the protective layer.

Abstract

Improvement of the Electrochemical Behavior of (Sb, Sn, Cu)O Ceramic Electrodes as Electrochemical Advanced Oxidation Anodes

This work explores the possibility of increasing the active surface of a Sb‐doped SnO2 ceramic electrode using CuO as sintering aid, by incorporating petroleum coke as a pore generator.

Abstract

Implementation of Flexible Embedded Nanowire Electrodes in Organic Light‐Emitting Diodes

A solution‐based, roll‐to‐roll, and sheet‐to‐sheet scalable process to create indium tin oxide (ITO)‐free FTEs is reported.

Abstract

Influence of Amorphous, Carbon‐Derived Wrinkled Surface Topologies on the Colonization of Pseudomonas aeruginosa Bacteria

Here, it is demonstrated that thermal treatment planar thin films of amorphous graphite‐like carbon (G‐aC) coatings deposited on shape memory polystyrene could be used to prepare substratum surfaces with topologies ranging from smooth undulations to those with rough distortion features.

Abstract

Wettability modification of zirconia by laser surface texturing and silanization

This paper presents the modification of wettability by nanosecond laser surface textured followed by silanization to fabricate the superhydrophobic zirconia surface. Surface modification by varying the pitch between channels leads to micro‐channel and micro‐grid pattern with different surface roughness.

Abstract

A method of assessing the strength of metal surface using film samples on titanium alloy Ti‐1023

A direct method of assessing the surface tensile strength using film samples with thicknesses of approximately 40 μm is proposed in this paper. The immediate objective of this research is to demonstrate the fundamentals of surface strength testing and prove the feasibility of preparing films by tracking the evolution of the surface integrity.

Abstract

Surface texture and barrier performance of poly(lactic acid)–cellulose nanocrystal extruded‐cast films

In this study, the influence of cellulose nanocrystal (CNC) addition level (0.5–2 wt %) on the surface texture, thickness, and barrier properties of poly(lactic acid) (PLA) extruded‐cast films was assessed.

Abstract

Self‐Supplying Liquidity Oil‐Adsorbed Slippery Smooth Surface for Both Liquid and Solid Repellency

Herein, a smooth slippery liquid‐infused surface with a flat base‐layer is developed as a multifunctional tribosurface, which is termed a friction‐reducing liquidity oil‐adsorbed tribo‐surface.

Abstract

Superhydrophobic/oleophobic coatings based on a catalyst driven thiol‐epoxy‐acrylate ternary system

This study presents a facile approach for creating superhydrophobic coatings that are also oleophobic by utilizing spray deposition of polymers mixed with silica particles as an easy and effective route to control the surface roughness of the coatings.

Abstract

Micro–Nano‐Texturing Inner Surfaces of Small‐Caliber High Aspect Ratio and Superhydrophobic Artificial Vessels using Femtosecond Laser Filamenting Pulses

A fabrication approach that can produce in situ microstructures on the inner surface of small‐caliber tubules is reported. It is shown that the inner‐surface fabrication with an aspect ratio as high as 10:1 can be achieved and the processed samples exhibit significant changes in physical properties including roughness and hydrophobicity.

Abstract

Three‐dimensional reconstructions of solid surfaces using conventional microscopes

The three‐dimensional digital replicas of solid surfaces are subject of interest of different branches of science and technology. The present paper in its introductory parts brings an overview of the various microscopic reconstructive techniques based on optical sectioning.

Abstract

A Method to Form Smooth Films of Liquid Metal Supported by Elastomeric Substrate

Several methods are proposed to manipulate and pattern liquid metal films into elastic conductors but all lack precise control over the film thickness and roughness, thereby limiting its uniformity, stability, and reproducibility. Here, an approach relying solely on wetting phenomena is proposed to produce smooth film of liquid gallium (Ga) on extended surface areas with controlled thickness and electrical properties.

Abstract

Biomimetic Self‐Cleaning Anisotropic Solid Slippery Surface with Excellent Stability and Restoration

Inspired by solid epicuticular wax on the surface of land plant leaves, a type of biomimetic anisotropic solid slippery surface (ASSS) based on paraffin wax‐incorporated paper with directional micro‐grooves is reported herein. This ASSS material shows anisotropic sliding behavior for liquid droplets with different surface tensions.

Abstract

Gecko‐Effect Inspired Soft Gripper with High and Switchable Adhesion for Rough Surfaces

Geckos owe this ability to the hierarchical structures under their toes. These structures are responsible for substantial adhesion and, at the same time, for quick attachment/detachment by mechanical stimulus of toe muscles. Inspired by such stimuli‐responsive systems in nature, an active adhesive soft gripper for rough surfaces is proposed in this study.

Abstract

Breaking the Limit of Micro‐Ductility in Oxide Glasses

Oxide glasses are one of the most important engineering and functional material families owing to their unique features, such as tailorable physical properties. However, at the same time intrinsic brittleness has been their main drawback, which severely restricts many applications.

Abstract

Development of flexible Li‐ion batteries for flexible electronics

In this critical review, recent developments of flexible lithium‐ion batteries (FLIBs) for flexible electronic devices are provided. The innovative designs of cell configuration for bendable and stretchable FLIBs, selection of active materials, and evaluation methods for FLIBs are discussed.

Abstract

Effect of Volume Fraction of Gradient Nanograined Layer on Low‐Cycle Fatigue Behavior of Cu

Low‐cycle fatigue properties and cyclic behaviors of two pure Cu samples skinned with different volume fractions of gradient nanograined (GNG) layer are investigated under total strain‐amplitude‐controlled fatigue tests.

Abstract

Advances in 3D Thin‐Film Li‐Ion Batteries

The status and progress toward solid‐state 3D thin‐film Li‐ion microbatteries is reviewed. Planar thin‐film batteries (TFBs) are commercially available. A major issue with planar TFBs, however, is that the total footprint capacity is limited, as only a relatively small electrode volume is available for energy storage.

Abstract

Flexible electronics based on one‐dimensional and two‐dimensional hybrid nanomaterials

Research on flexible or wearable electronics has been grown remarkably due to the advent of nanomaterials, such as metal nanowires, graphene, or transition metal dichalcogenides.

Abstract

Quantum‐Confined‐Superfluidics‐Enabled Moisture Actuation Based on Unilaterally Structured Graphene Oxide Papers

The strong interaction between graphene oxides (GO) and water molecules has trigged enormous research interest in developing GO‐based separation films, sensors, and actuators. However, sophisticated control over the ultrafast water transmission among the GO sheets and the consequent deformation of the entire GO film is still challenging.

Abstract

Wetting‐Assisted Crack‐ and Wrinkle‐Free Transfer of Wafer‐Scale Graphene onto Arbitrary Substrates over a Wide Range of Surface Energies

Here, the polymer‐supported wet transfer processes of chemical vapor deposition‐grown graphene are thoroughly examined stage‐by‐stage and it is found that lamination wrinkles are generated as a result of the high contact angles of the trapped transfer medium liquids.

Abstract

Skin‐Inspired Electronics and Its Applications in Advanced Intelligent Systems

Recent interdisciplinary progress in flexible materials, devices, and system designs has brought about an emerging paradigm of skin‐like multifunctional electronic platforms named skin‐inspired electronics.

Abstract

Thin Film Adhesion of Flexible Electronics Influenced by Interlayers

With the emergence of flexible electronics in the fields of medical sensors and foldable displays, there is a need to understand the interfacial behavior between active conducting elements and compliant polymer substrates, on which the devices are fabricated.

Abstract

Initiated Chemical Vapor Deposition: A Versatile Tool for Various Device Applications

This review describes significant implications of and recent progress made in iCVD‐based technologies in three fields: electronic devices, surface engineering, and biomedical applications.

Abstract

Various Techniques for Preparation of Thin‐Film Composite Mixed‐Matrix Membranes for Carbondioxide Separation

A comprehensive review is provided for capturing new details of progress achieved in developing TFC‐MMMs with detailed performance of gas separation in the previous few years.

Abstract

Recent Progress in Solution‐Processed Copper‐Chalcogenide Thin‐Film Solar Cells

This Review summarizes the recent progress in solution‐processed Cu chalcogenides for thin‐film solar cells, with emphasis on the precursor solution deposited by spray pyrolysis and spin coating.

Abstract

Solution Processable Metal Oxide Thin Film Deposition and Material Growth for Electronic and Photonic Devices

A comprehensive review of recent advances in solution processing and growth of metal‐oxide thin films for electronic and photonic devices is presented.

Abstract

Environment‐Dependent Adhesion Energy of Mica Nanolayers Determined by a Nanomanipulation‐Based Bridging Method

In this work, a new delamination method is developed based on the optical microscopic nanomanipulation for measuring the adhesion energy of mica nanolayers.

Abstract

Controlling the Thickness of the Surface Oxide Layer on Cu Nanoparticles for the Fabrication of Conductive Structures by Ink‐Jet Printing

With the aim of preparing a high performance conductive ink, the surface chemistry of Cu nanoparticles was controlled so as to minimize surface oxidation.

Abstract

A Highly Sensitive Capacitive‐Based Soft Pressure Sensor Based on a Conductive Fabric and a Microporous Dielectric Layer

In this paper, the design and manufacturing of a highly sensitive capacitive‐based soft pressure sensor for wearable electronics applications are presented.

Abstract

The influence of substrate surface roughness on microstrip transmission line loss using conventional analyses and length‐scale fractal analysis

Two components of conductor topography can impact conductor loss for signals in the GHz frequency range: conductor–ceramic interface roughness and conductor edge angle.

Abstract

Strain‐Induced Band‐Gap Tuning of 2D‐SnSSe Flakes for Application in Flexible Sensors

Herein, a ternary SnSSe alloy nanosheet‐based strain sensor is reported showing an enhanced gauge factor (GF) up to 69.7 and a good reproducibility and linearity within strain of 0.9%. Such sensor holds high‐sensitive features under low strain, and demonstrates an improved sensitivity with a decrease in the membrane thickness.

Abstract

Size‐Scalable and High‐Density Liquid‐Metal‐Based Soft Electronic Passive Components and Circuits Using Soft Lithography

The use of conducting liquids with high electrical conductivity, such as eutectic gallium–indium (EGaIn), has great potential in electronics applications requiring stretchability and deformability beyond conventional flexible electronics relying on solid conductors.

Abstract

Printing of µm structures with nano inks using a novel combination of high‐resolution plasma printing and subsequent rotogravure printing

Reel‐to‐reel area‐selective microplasma treatment of polymer films using the plasma printing technique in combination with subsequent rotogravure printing was investigated.

Abstract

Recent Progress in Inkjet‐Printed Thin‐Film Transistors

In this review article, recent progress in printing‐based thin‐film transistors is presented from materials to applications.

Abstract

Spatially Confining Surface Roughness on Exponentially Growing Polyelectrolyte Multilayer Films

Introducing roughness features onto materials' surface can serve as an efficient strategy for novel or enhanced surface functionality. Surface roughness can be developed spontaneously on exponentially growing polyelectrolyte multilayer films without any postassembly treatment.

Abstract

Crack Control in Biotemplated Gold Films for Wide‐Range, Highly Sensitive Strain Sensing

In the design of strain sensors, there is usually a trade‐off between sensitivity and sensing range. Herein, a crack‐based strain sensor with engineered microstructure is facilely prepared through a biotemplating method.

Abstract

Flexible Micropillar Electrode Arrays for In Vivo Neural Activity Recordings

Here, the facile fabrication of a novel flexible micropillar electrode array (µPEA) is described based on a biotemplate method. The flexible and compliant µPEA can readily integrate with the soft surface of a rat cerebral cortex.

Abstract

Photopolymerizable gelatin and hyaluronic acid for stereolithographic 3D bioprinting of tissue‐engineered cartilage

To create artificial cartilage in vitro, mimicking the function of native extracellular matrix (ECM) and morphological cartilage‐like shape is essential.

Abstract

3D Printing of Polymer Nanocomposites via Stereolithography

This review discusses the application of SLA for polymer nanocomposites fabrication to show the technology's potential in increasing the applicability of current SLA‐printed parts.

Abstract

Additive Manufacturing: Unlocking the Evolution of Energy Materials

This comprehensive review will fill the gap in communicating on recent breakthroughs in additive manufacturing for energy material and device applications. It will underpin the discoveries on what 3D functional energy structures can be created without design constraints.

Abstract

Additive Manufacturing of Titanium Alloys by Electron Beam Melting

After briefly introducing the EBM process and the processing factors involved, this article reviews recent progress in the processing, microstructure, and properties of titanium alloys and their composites manufactured by EBM.

Abstract

Truly Low Temperature Sintering of Printed Copper Ink Using Formic Acid

Low cost electronics are targeted by using solution‐based, upscalable printing technologies, focusing on cost‐efficient materials and additive processes to yield conducting structures with minimal material consumption.

Abstract

Volumetric Bioprinting of Complex Living‐Tissue Constructs within Seconds

Biofabrication technologies, including stereolithography and extrusion‐based printing, are revolutionizing the creation of complex engineered tissues.

Abstract

Periodic Open Cellular Raney‐Copper Catalysts Fabricated via Selective Electron Beam Melting

Herein, the possibility of generating Raney‐Copper catalysts with high geometric complexity is demonstrated.