Photochromic amorphous molecular materials and their applications

被引：36

作者：

Shirota, Y ^{[1
]}

Utsumi, H ^{[1
]}

Ujike, T ^{[1
]}

Yoshikawa, S ^{[1
]}

Moriwaki, K ^{[1
]}

Nagahama, D ^{[1
]}

Nakano, H ^{[1
]}

机构：

[1] Osaka Univ, Fac Engn, Dept Appl Chem, Suita, Osaka 5650871, Japan

来源：

OPTICAL MATERIALS | 2003年 / 21卷 / 1-3期

关键词：

photochromic amorphous molecular material; azobenzene; dithienylethene; photochromism; surface relief grating; dual image;

D O I：

10.1016/S0925-3467(02)00145-3

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Two novel classes of photochromic amorphous molecular materials based on azobenzene and dithienylethene were designed and synthesized. They were found to readily form amorphous glasses with well-defined glass-transition temperatures when the melt samples were cooled on standing in air and to exhibit photochromism in their amorphous films as well as in solution. Photochromic properties of these materials are discussed in relation to their molecular structures. Surface relief grating was formed on the amorphous films of azobenzene-based photochromic amorphous molecular materials by irradiation with two coherent Ar+ laser beams. Dual image was formed at the same location of the films of dithienylethene-based photochromic amorphous molecular materials by irradiation with two linearly polarized light beams perpendicular to each other. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：249 / 254

页数：6

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