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Engineering Science and Materials Commons

Open Access. Powered by Scholars. Published by Universities.®

2015

Nanoscience and Nanotechnology

Shumin Li

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Full-Text Articles in Engineering Science and Materials

Color And Texture Morphing With Colloids On Multilayered Surfaces.Pdf, Shumin Li Mar 2015

Color And Texture Morphing With Colloids On Multilayered Surfaces.Pdf, Shumin Li

Shumin Li

ABSTRACT: Dynamic morphing of marine species to match with environment
changes in color and texture is an advanced means for surviving, self-defense, and
reproduction. Here we use colloids that are placed inside a multilayered structure to
demonstrate color and texture morphing. The multilayer is composed of a thermal
insulating base layer, a light absorbing mid layer, and a liquid top layer. When external
light of moderate intensity (∼0.2 W cm−2) strikes the structure, colloids inside the
liquid layer will be assembled to locations with an optimal absorption. When this
system is exposed to continuous laser pulses, more than 18 000 …