Effects of photocrosslinking on photorefractive properties in polymer-liquid crystal composites

被引：3
|
作者：
Ono, Hiroshi [1 ]
Hasebe, Ryoya [1 ]
Sasaki, Tomoyuki [1 ]
Noda, Kohei [1 ]
Kawatsuki, Nobuhiro [2 ]
机构：
[1] Nagaoka Univ Technol, Dept Elect Engn, Nagaoka, Niigata 9402188, Japan
[2] Himeji Inst Technol, Dept Mat Sci & Chem, Himeji, Hyogo 6712201, Japan
来源：
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 2014年 / 114卷 / 04期
关键词：
DYE-DOPED POLYMER; HOLOGRAPHIC GRATINGS; ACCEPTOR MOLECULES; ELECTRON-DONOR; ORIENTATIONAL GRATINGS; MESOGENIC COMPOSITES; FILMS; FULLERENE; DIFFRACTION; ALIGNMENT;
D O I：
10.1007/s00339-013-7983-x
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This article presents effects of photocrosslinking on photorefractive properties in polymer-liquid crystal composites doped with fullerene (C-60) as a photoconductive agent. The efficiency of the photorefraction was improved by crosslinking the polymer network and reached near to the theoretical limit for the thin phase grating. The carrier conduction in the composite films was investigated and the high-performance photorefractivity of the photocrosslinked mesogenic composite was explained by low dark current and high photocurrent. The firm crosslinked polymer network in the polymer-liquid crystal composite has also employed for the stable photorefractive diffraction at elevated temperature and under a static dc field applied the mesogenic composite film.
引用
收藏
页码：1353 / 1360
页数：8
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