A new approach to photoalignment: photo-addition to a self-assembled monolayer

被引：9
|
作者：
Droege, Stefan [1 ]
O'Neill, Mary [1 ]
Loebbert, Andreas [2 ]
Kitney, Stuart P. [2 ]
Kelly, Stephen M. [2 ]
Wei, Pan [3 ]
Dong, Dewen [3 ]
机构：
[1] Univ Hull, Dept Phys, Kingston Upon Hull HU6 7RX, N Humberside, England
[2] Univ Hull, Dept Chem, Kingston Upon Hull HU6 7RX, N Humberside, England
[3] NE Normal Univ, Dept Chem, Changchun 130022, Peoples R China
来源：
JOURNAL OF MATERIALS CHEMISTRY | 2009年 / 19卷 / 02期
基金：
英国工程与自然科学研究理事会; 美国国家科学基金会;
关键词：
NEMATIC LIQUID-CRYSTALS; ALIGNMENT; SURFACE; PHOTODIMERIZATION; ALKANETHIOLS; ANISOTROPY; POLYMERS;
D O I：
10.1039/b812226a
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：
Photoalignment used to control the orientation of nematic liquid crystals in LCDs usually involves the photochemical modification of the chemical structure of an organic thin film so that an optical and/or steric anisotropy is developed. We now demonstrate a novel photoadditive alternative whereby small photoreactive molecules are bound to a photoreactive SAM surface by irradiation with polarised UV so that the surface properties are changed and a surface anisotropy is developed.
引用
收藏
页码：274 / 279
页数：6
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