The amplified circularly polarized luminescence regulated from D–A type AIE-active chiral emitters via liquid crystals system

Two pairs of D–A type AIE-active chiral dyes ( R -/ S -1 and R -/ S -2) as chiral emitters doped into nematic liquid crystals (5CB, N-LCs) can form chiral nematic liquid crystals (N*-LCs) and regulate the amplified circularly polarized luminescence (CPL) signals. R -/ S -2 with stronger D–A structur...

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Published inChemical communications (Cambridge, England) Vol. 56; no. 7; pp. 1117 - 1120
Main Authors Li, Yang, Liu, Kerui, Li, Xiaojing, Quan, Yiwu, Cheng, Yixiang
Format Journal Article
LanguageEnglish
Published England Royal Society of Chemistry 23.01.2020
Subjects
chemical compounds
chemical reactions
Cholesteric liquid crystals
Circular polarization
dyes
Emitters
liquid crystals
Luminescence
Nematic crystals
Self-assembly
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Summary:Two pairs of D–A type AIE-active chiral dyes ( R -/ S -1 and R -/ S -2) as chiral emitters doped into nematic liquid crystals (5CB, N-LCs) can form chiral nematic liquid crystals (N*-LCs) and regulate the amplified circularly polarized luminescence (CPL) signals. R -/ S -2 with stronger D–A structure and more planar conformation could induce higher CPL response ( g lum = ±0.37) via the supramolecular self-assembly in N*-LCs system.
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ISSN:1359-7345
1364-548X
1364-548X
DOI:10.1039/C9CC09067C