Fabrication of Broadband Cholesteric Liquid Crystal Films by Photopolymerization-Induced Phase Separation

被引：2
|
作者：
Lee, Mongryong
Jang, Hyunseok
Choi, Suk-Won [1 ]
Song, Kigook
机构：
[1] Kyung Hee Univ, Dept Display Mat Engn, Yongin 446701, Gyeonggi Do, South Korea
来源：
MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 2010年 / 530卷
关键词：
Cholesteric liquid crystals (CLC); field emission scanning electron microscope (FE-SEM); pitch gradient; selective reflection; PITCH VARIATIONS; DIFFUSION;
D O I：
10.1080/15421406.2010.496288
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
We optimized fabrication conditions of cholesteric liquid crystal (CLC) films; 1) amount of photo-initiator, 2) exposure conditions. Based on these conditions, we could succeed in fabricating broadband CLC films with Delta lambda approximate to 250 nm. We also examined the spatial helical pitch gradient structure fabricated here using a field emission-scanning electron microscope (FE-SEM) at a freeze-fractured cross-section of the fabricated CLC films.
引用
收藏
页码：169 / 174
页数：6
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