1D Photonic Crystals: Diverse Morphologies and Distinctive Structural Colors for Multifaceted Applications
Abstract
1D photonic crystals (1DPCs) with hierarchically structured lamellar periodic frameworks that enable precise control of light-matter interactions and contribute robust structural colors represent a groundbreaking advancement in optical materials. The microstructural characteristics and the constituent material properties of these photonic materials play pivotal roles in determining their optical performance and functionality. In recent years, a diverse array of novel 1D photonic structures crafted from various materials emerged, showcasing their tremendous potential in advanced applications. This article provides an in-depth review of the recent developments in 1DPCs, emphasizing their morphological designs, fabrication strategies, and optical applications. In detail, 1DPCs featuring distinct geometrical morphologies, including lamellar, helical, fibrous, spherical, and nanochained structures are systematically introduced, highlighting the unique optical properties arising from their periodic microstructures. Then, various fabrication methods, involving some innovative techniques utilizing standing-wave optics, UV dual photopolymerization, and inkjet printing, are succinctly summarized for constructing different photonic structures by using diverse building materials. Subsequently, some typical application examples of 1D photonic materials are listed and discussed involving visual sensing, intelligent displays, anti-counterfeiting technology, photonic pigments, and optical devices. Finally, the passage addresses the current challenges and presents a forward-looking perspective on the future fabrication and application of 1DPCs.
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