首页|Synthesis and characterization of a cholesteric liquid crystal cholesteryl nonanoate

Synthesis and characterization of a cholesteric liquid crystal cholesteryl nonanoate

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A cholesteric liquid crystal cholesteryl nonanoate was synthesized and then characterized by means of differential scanning calorimetry and polarized optical microscopy. As temperature decreased from its clearing point, cholesteric phase was formed for cholesteryl nonanoate and accompanied by continuous evolution of colors in the focal conic textures. Furthermore, beautiful spherulite crystals were observed to grow out of the cholesteric phase as the crystallization continued. The evolution of the colors in recorded textures was contributed to temperature-dependent selective reflection of the liquid crystal.

cholesteric liquid crystalcholesteric phaseselective reflectionpitch

Yuan Ming Huang、Ye-tang Guo、Qing-Ian Ma、Wei-wei Liu

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College of Physics & Electronic Information, Yunnan Normal University, Yunnan 650092, China

2010

Key engineering materials

Key engineering materials

ISSN:1013-9826
年,卷(期):2010.428/429
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