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Flower Inspiration: Broad-angle Structural Color through Tunable Hierarchical Wrinkles in Thin Film Multilayers

Chao Chen's picture

Dear colleagues, we have our recent paper, Flower Inspiration: Broad-angle Structural Color through Tunable Hierarchical Wrinkles in Thin Film Multilayers, published on Advanced Functional Materials. The cuticular nano-ridges on certain flower petals can selectively display broad-angle iridescence to enhance pollinators’ foraging efficiency. This paper develops a tunable broad-angle diffracting surface based on hierarchical wrinkling composites. This demonstration is the first to build upon the flower petal systems' intrinsic developmental mechanics to tune the broad-angle diffraction performance. 

This work is based on the collaboration between the Crosby Research Group at UMass Amherst (Chao Chen; R. Konane Bay; Alfred Crosby) and the Glover Research Group at the University of Cambridge (Chiara Airoldi, Carlos Lugo, and Beverley Glover) to understand the physics and mechanics of the pattern formation on biological surfaces. This project is funded by the Human Frontier Science Program. 

 

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