Phototunable Morpho Butterfly Microstructures Modified by Liquid Crystal Polymers
Source abstract
Abstract
Abstract The unique hierarchical microstructures of the Morpho butterfly wing (MBW) exhibit angle independent blue iridescence. Biomimicking these microstructures and turning them into functional photonic crystals (PhCs) have fascinated scientists yet remain challenging. Here, a phototunable PhC is fabricated by depositing the azobenzene‐containing linear liquid crystal polymer (LLCP) onto the MBW template. Thanks to the excellent mechanical properties and deformability of LLCP, the generated 3D bilayer microstructures demonstrate hierarchical deformation upon UV light irradiation, leading to a blueshift of the reflection peak (70 nm) and a remarkable change of reflectance (40%). This phototunable PhC may have potential applications in pigments, cosmetics, and sensors.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Advanced Materials and Mechanics · Photonic Crystals and Applications · Liquid Crystal Research Advancements
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Materials Science State Key Laboratory of Molecular Engineering of Polymers Fudan University 220 Handan Road Shanghai 200433 China
Department of Chemistry Fudan University 220 Handan Road Shanghai 200433 China
Funding
National Natural Science Foundation of China · Natural Science Foundation of Shanghai · Shanghai Municipal Education Commission
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