Fluorescence quenching induced by injected carriers in organic thin films

被引:12
作者
Hieda, H [1 ]
Tanaka, K [1 ]
Naito, K [1 ]
Gemma, N [1 ]
机构
[1] Toshiba Corp, Ctr Res & Dev, Adv Res Lab, Saiwai Ku, Kawasaki, Kanagawa 210, Japan
关键词
fluorescence; quenching; organic films; charge injection; near-field optics;
D O I
10.1016/S0040-6090(98)00912-2
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The effect of injected charges on fluorescence of organic thin films consisting of the donor molecule tetra(N,N-diphenyl-4-aminopheny-1)ethylene (TTPAE) was investigated. Fluorescence was efficiently quenched by charge injection. By comparison of fluorescence measurements and current measurements, it was found that hole injection had essential role in fluorescence quenching and electron injection did not. Coulomb interaction between photoexcited molecules and injected carriers was found to cause fluorescence quenching. (C) 1998 Elsevier Science S.A, All rights reserved.
引用
收藏
页码:152 / 157
页数:6
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