Patterned Silk Inverse Opal Photonic Crystals with Tunable, Geometrically Defined Structural Color
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United States of America Patent
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Issued Date -
Jun 20, 2019
app pub date -
Aug 1, 2017
filing date -
Aug 1, 2016
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Abstract
The present disclosure relates to patterned photonic crystals. Provided photonic crystals are large scale silk inverse opals with tunable, geometrically defined structural color. Provided photonic crystals exhibit structural color or a photonic band gap (“PBG”). Provided photonic crystals are is found to be highly sensitive to water vapor and UV irradiation. Provided multicolored photonic macro- or micro-patterns are shown by selectively applying water vapor or UV irradiation through a shadow mask. The present disclosure also provides methods for making and using the same.
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