One‐Step Photo‐Patterning Process for Multi‐Modal and Transformative Structural Coloration: Toward Anti‐Counterfeiting Applications
Kaliannan Thiyagarajan,
Sungjoon Ji,
Jiseok Han
et al.
Abstract:The selective interactions of light with matter enable the existence of colors in nature. Through the precise modification of material properties, photonic crystals, plasmonic nanoparticles, and dielectric metasurfaces can produce bright and vivid structural colors. However, this approach is rendered inadequate by its complex fabrication processes, limited working area, and lack of inherent material‐property tuning. Here, a novel one‐step fabrication process based on ultraviolet‐curable chitosan (UVCC) for gen… Show more
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