LASER-INDUCED GEOMETRICAL CHANGE OF FLUORESCENT TRAPS IN CAST FILMS OF CARBAZOLE-CONTAINING BILAYER-MEMBRANES

被引:1
|
作者
ITAYA, A [1 ]
YAMAMOTO, K [1 ]
MASUHARA, H [1 ]
KIMIZUKA, N [1 ]
KUNITAKE, T [1 ]
机构
[1] KYUSHU UNIV,FAC ENGN,DEPT ORGAN SYNTH,FUKUOKA 812,JAPAN
关键词
D O I
10.1016/0040-6090(91)90549-D
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The effect of excimer laser irradiation on cast films of carbazole-containing bilayer membranes was investigated by measuring absorption and fluorescence spectra. A remarkable fluorescence spectral change on laser irradiation was observed, although no absorption spectral change was ever observed. The fluorescence spectral change was different from that induced by xenon lamp irradiation, and was attributed to structural change of the carbazolyl aggregates induced by a thermalization process from higher excited states.
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页码:137 / 143
页数:7
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