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Reversible chirality inversion of circularly polarized luminescence in a photo-invertible helical cholesteric superstructure. | LitMetric
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Reversible chirality inversion of circularly polarized luminescence in a photo-invertible helical cholesteric superstructure.

Jinghui Qiao Siyang Lin Juntao Li Jiajun Tian Jinbao Guo

Chem Commun (Camb)

Key Laboratory of Carbon Fibers and Functional Polymers, Ministry of Education, and College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China.

Published: December 2019

A photo-invertible helical cholesteric superstructure was constructed by doping a novel chiral fluorescence photoswitch and a static dopant with opposite handedness into a nematic host. The handedness of circularly polarized luminescence can be reversibly inverted accompanied by a positive-negative change of luminescence dissymmetry factor values upon alternate light irradiations.

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 Source
http://dx.doi.org/10.1039/c9cc08090bDOI Listing

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