We report a novel, monomelic, lyotropic, cholesteric liquid crystal revealing selective reflection in the visible light region and having photochromic properties in the lyotropic liquid crystal phase. Monomer (+)-cholesteryl (6-acryloyloxyhexyloxy)-4-cinnamate was synthesized. Liquid crystal phases of Ml were identified using polarized optical microscopic and X-ray diffraction methods. Reflection light spectra were analyzed using an optical fiber system.
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