Journal
JOURNAL OF MATERIALS CHEMISTRY
Volume 20, Issue 44, Pages 9832-9847Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c0jm00843e
Keywords
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Funding
- Air Force Research Laboratory
- Air Force Office of Scientific Research
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ROY G. BIV is the acronym used around the English-speaking world to aid children in the memorization of the traditional colors of the rainbow (red, orange, yellow, green, blue, indigo, and violet). Color surrounds us and the ability to change color by external stimuli (heat, force, light exposure, magnetic or electric field) continues to be leveraged for many present day applications. This review focuses on the state of the art in the use of cholesteric liquid crystals (CLCs) as color changing optical materials. After a brief summary of thermal and electrically induced color changes, the bulk of the article describes recent efforts in photoresponsive CLCs, materials in which light is used to control the color output.
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