Improvement of electro-optical properties on polymer-stabilised optically isotropic liquid crystals

Shin Ichi Yamamoto, Takashi Iwata, Yasuhiro Haseba, Dong Uk Cho, Suk Won Choi, Hiroki Higuchi, Hirotsugu Kikuchi

研究成果: ジャーナルへの寄稿学術誌査読

9 被引用数 (Scopus)

抄録

A relation between preparation conditions of polymer-stabilised optically isotropic liquid crystals and their electro-optical properties was investigated based on a cyclic voltammetric (CV) method. The polymer-stabilised optically isotropic liquid crystals were prepared by an in-situ photo-polymerisation of a precursor consisting of a chiral liquid crystalline mixture with monomers in an isotropic phase with a metal halide lamp. The CV response of the cell filled with the sample showed an asymmetric profile and a symmetric profile between the positive and negative applied voltages when the cell was irradiated with the metal halide lamp without filter and with a cut-off wavelength filter (> 390 nm), respectively. The CV response profile depends on a distributed state of the polymer generated in the cell. The residual birefringence of the polymer-stabilised optically isotropic phase was suppressed when the CV profile showed a symmetric profile.

本文言語英語
ページ(範囲)487-491
ページ数5
ジャーナルLiquid Crystals
39
4
DOI
出版ステータス出版済み - 4月 2012

!!!All Science Journal Classification (ASJC) codes

  • 化学 (全般)
  • 材料科学(全般)
  • 凝縮系物理学

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