Nanotech 2011

Broadband infrared reflecting thin films inspired by quasi-ordered photonic structures in squid tissue

R. Rotstein, A.M. Sweeney, A. Holt, G.D. Stucky, D.E. Morse
UCSB, US

Keywords: self-assembly, bio-inspired, photonic crystals, thin films

Abstract:

We present a novel synthetic approach to replicating the optical properties of quasi-ordered photonic structures in the silver-colored tissue in Loliginid squid. The squid system exhibits broadband reflectance in the visible spectrum. Rod-like polystyrene particles, inspired by the squid structures, are self-assembled into thin films. These films, and their silica inverse structures, exhibit broadband reflectance in the IR.
 

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