Liquid-crystalline elastomers with photomechanical properties

被引：1
|
作者：
Ya, YL [1 ]
Nakano, M [1 ]
Ikeda, T [1 ]
机构：
[1] Tokyo Inst Technol, Chem Resources Lab, Midori Ku, Yokohama, Kanagawa 2268503, Japan
来源：
LIQUID CRYSTALS VIII | 2004年 / 5518卷
关键词：
liquid crystal; cross-linking; elastomer; azobenzene; photomechanical effect; bending;
D O I：
10.1117/12.562627
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
Photoinduced bending and unbending behavior of liquid-crystal line elastomers is discussed. Various modes of bending have been achieved with various alignments of the photoactive mesogens in the elastomers: oriented Liquid-crystalline elastomer films were found to undergo anisotropic bending and unbending behavior only along the rubbing direction, when exposed to alternate irradiation of unpolarized UV and visible light; in the case of polydomain Liquid-crystalline elastomer films, a single film could be bent repeatedly and precisely along any chosen direction by using linearly polarized light.
引用
收藏
页码：1 / 10
页数：10
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