Circularly polarized luminescence from structurally coloured polymer films

Structurally coloured polymer films with circularly polarized luminescence (CPL) properties were prepared by the photopolymerization of cholesteric liquid crystal mixtures doped with aggregation-induced emission (AIE)-active tetraphenylethylene. The films show good CPL performance with the luminesce...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2021-03, Vol.57 (22), p.2796-2799
Main Authors: Ni, Baining, Li, Yi, Liu, Wei, Li, Baozong, Li, Hongkun, Yang, Yonggang
Format: Article
Language:English
Subjects:
Cholesteric liquid crystals
Circular polarization
Fluorescence
Luminescence
Molecular structure
Photoluminescence
Photopolymerization
Polymer films
Polymers
Spectra
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Summary:Structurally coloured polymer films with circularly polarized luminescence (CPL) properties were prepared by the photopolymerization of cholesteric liquid crystal mixtures doped with aggregation-induced emission (AIE)-active tetraphenylethylene. The films show good CPL performance with the luminescence dissymmetry factor up to 0.58 and enhanced fluorescence efficiency. A strategy for the preparation of structurally coloured polymer films with strong circularly polarized luminescence and enhanced fluorescence efficiency based on cholesteric liquid crystals is presented for the first time.
ISSN:1359-7345
1364-548X
DOI:10.1039/d1cc00201e