Synthesis and photochromic behavior of bi-functional photochromic compound

被引：7
|
作者：
Kinashi, K [1 ]
Ueda, Y [1 ]
机构：
[1] Kobe Univ, Grad Sch Sci & Technol, Nada Ku, Kobe, Hyogo 6578501, Japan
来源：
MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 2006年 / 445卷
基金：
日本学术振兴会;
关键词：
azobenzene moiety; bi-functional photochromic compound; multi-photochromism; spirobenzopyran moiety;
D O I：
10.1080/15421400500366498
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Bi-functional photochromic compound (SpAz) was synthesized with spirobenzopyran and azobenzene derivatives by DCC coupling reaction. In chloroform solution, a novel photochromic compound showed four kinds of isomer depending on the wavelength of the light irradiated. It was suggested that SpAz has four digital codes for optical memory. When SpAz was dispersed in poly(methyl methacrylate), on the other hand, the photoisomerization of SpAz was limited in polymer matrix due to the poor mobility of Azobenzene moiety with high steric hindrance.
引用
收藏
页码：223 / 230
页数：8
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