PHOTOISOMERIZATION OF AZOBENZENE DERIVATIVES IN POLYMERIC THIN-FILMS

被引：150

作者：

SEKKAT, Z ^{[1
]}

MORICHERE, D ^{[1
]}

DUMONT, M ^{[1
]}

LOUCIFSAIBI, R ^{[1
]}

DELAIRE, JA ^{[1
]}

机构：

[1] UNIV ORSAY,PHYS CHIM RAYONNEMENTS LAB,CNRS,U75,F-91405 ORSAY,FRANCE

来源：

JOURNAL OF APPLIED PHYSICS | 1992年 / 71卷 / 03期

关键词：

D O I：

10.1063/1.351228

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The photoisomerization of disperse red 1 (DR1) in polymethylmethacrylate thin films is demonstrated by monitoring the refractive index variations by the attenuated total reflection method. Absorption spectrum measurements give a confirmation of this phenomenon. The kinetics of photoisomerization and of thermal relaxation are nonexponential. Some other molecules are studied. As in solution, azobenzene derivatives (N = N bond) produce reversible isomerization while dimethylaminonitrostilbene, a stilbene derivative (C = C bond), exhibits no thermal cis --> trans relaxation.

引用

页码：1543 / 1545

页数：3

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