Light-driven rotation of gratings formed by electroconvection patterns in cholesteric liquid crystals

Ying Xiang,Hongzhen Jing,Hao Chen,Jun Zhang,Xiaoyu Ding,Jiaoyang Li,Zhigang Cai,Nándor Éber,Ágnes Buka

Journal of Molecular Liquids（2021）

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摘要

•Electroconvection patterns are observed in cholesteric liquid crystal.•Rotation angle of pattern depends on UV intensity and chiral dopant.•Grating capable of two-dimensional beam steering is demonstrated.

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关键词

Cholesteric liquid crystals,Optically active materials,Self-Assembly microstructures,Stimuli-Responsive materials,Electroconvection effect

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