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

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

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.

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

Registration
required

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 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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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.

Additive Manufacturing of Titanium Alloys by Electron Beam Melting

Abstract