PHOTO-OPTICAL LIQUID-CRYSTAL CELLS DRIVEN BY MOLECULAR ROTORS

被引：95

作者：

ICHIMURA, K ^{[1
]}

HAYASHI, Y ^{[1
]}

AKIYAMA, H ^{[1
]}

IKEDA, T ^{[1
]}

ISHIZUKI, N ^{[1
]}

机构：

[1] NIPPON KAYAKU CO LTD,CHEM RES LAB,KITA KU,TOKYO 115,JAPAN

来源：

APPLIED PHYSICS LETTERS | 1993年 / 63卷 / 04期

关键词：

D O I：

10.1063/1.110020

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Photochemical regulation of in-plane alignment of a nematic liquid crystal is presented. A quartz plate surface was modified with 4-hexyl-4'-hexyloxyazobenzene substituted with triethoxysilyl group through a spacer at the 2' position to introduce the side-on type azobenzene unit of the surface. A liquid crystal hybrid cell fabricated with the azo-modified plate was irradiated with linearly polarized visible light for the n-pi* transition. This resulted in the in-plane reorientation of the liquid crystal molecules to afford homogeneous alignment. Discussion is made on the mechanism of the in-plane alignment regulation, and the concept of a molecular rotor is proposed.

引用

页码：449 / 451

页数：3

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