Photorefractive effect of photoconductive ferroelectric liquid crystalline mixtures composed of photoconductive chiral compounds and liquid crystal

被引：31

作者：

Sasaki, Takeo ^{[1
]}

Miyazaki, Daisuke ^{[1
]}

Akaike, Komei ^{[1
]}

Ikegami, Masashi ^{[1
]}

Naka, Yumiko ^{[1
]}

机构：

[1] Tokyo Univ Sci, Fac Sci, Dept Chem, Shinjuku Ku, Tokyo 1628601, Japan

来源：

JOURNAL OF MATERIALS CHEMISTRY | 2011年 / 21卷 / 24期

基金：

日本科学技术振兴机构;

关键词：

PALLADIUM; POLYMER; LIGAND;

D O I：

10.1039/c1jm10405e

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The photorefractive effect in photoconductive ferroelectric liquid crystals (FLCs) that contain photoconductive chiral compounds was investigated. A series of novel photoconductive chiral compounds were synthesized. Terthiophene compounds with four chiral structures were chosen as the photoconductive chiral compounds and mixed with an achiral smectic C liquid crystal. The mixtures exhibit the ferroelectric chiral smectic C phase. The photorefractivity of the mixtures was investigated by two-beam coupling experiments. It was found that the FLCs containing the photoconductive chiral compound exhibit a large gain coefficient of 110 cm(-1) and a fast response time of 5 ms.

引用

页码：8678 / 8686

页数：9

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