Photo-induced phase transition in thin films of poly(3-eicosyl)thiophene

被引：0
|
作者：
Hosaka, N [1 ]
Tachibana, H
Shiga, N
Matsumoto, M
Tokura, Y
机构：
[1] Univ Tokyo, Dept Appl Phys, Tokyo 1138656, Japan
[2] JRCAT, Tsukuba, Ibaraki 3058562, Japan
[3] NIMCR, Tsukuba, Ibaraki 3058565, Japan
来源：
SYNTHETIC METALS | 1999年 / 101卷 / 1-3期
关键词：
other phase transitions; polythiophene and derivatives;
D O I：
10.1016/S0379-6779(98)01281-8
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Photo-induced phase transition is observed in poly(3-eicosyl)thiophenes containing head-to-tail couplings of alkyl sidegroups. Threshold and saturation in conversion efficiency of phase transition are found against variations of exciting photon density or photon energy. Observed behaviors indicate that the photo-induced phase transition is considered to be mediated by photogenerated electron-hole pairs which develop into clusters with local changes in bond structures on polymer backbone and sidegroups.
引用
收藏
页码：212 / 213
页数：2
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