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

被引：34
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
收藏
页码：8678 / 8686
页数：9
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