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Advanced materials (Deerfield Beach, Fla.)

A robust smart window: reversibly switching from high transparency to angle-independent structural color display.


PMID 25732127

Abstract

A smart window is fabricated from a composite consisting of elastomeric poly(dimethylsiloxane) embedded with a thin layer of quasi-amorphous silica nanoparticles. The smart window can be switched from the initial highly transparent state to opaqueness and displays angle-independent structural color via mechanical stretching. The switchable optical property can be fully recovered after 1000 stretching/releasing cycles.