Chemistry Letters
Online ISSN : 1348-0715
Print ISSN : 0366-7022
ISSN-L : 0366-7022
Letter
Photoinduced Phase Transitions in Chiral Binaphthyl-diol-doped Smectic Liquid Crystals by a Photochromic Azobenzene
Guojie WangMingzhi ZhangQiang YangFang LiuZihui ChengRenwei GuoHuai Yang
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2010 Volume 39 Issue 11 Pages 1144-1145

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Abstract

The liquid crystalline states of mixtures of smectic 4-octyl-4′-cyanobiphenyl, chiral binaphthyl-diol, and a photochromic azobenzene derivative, 4-n-hexyl-4′-(1-bromopropyloxy)azobenzene, are dependant on the chiral dopant and azobenzene concentrations. The trans-to-cis isomerization of azobenzene induces the phase transition from smectic to cholesteric and then to isotropic states.

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© 2010 The Chemical Society of Japan
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