Charge transfer in PDI-derived systems studied with light-induced electron spin resonance

被引：7
|
作者：
Manikowski, Henryk
Wrobel, Danuta
Lewandowska, Kornelia
Graja, Andrzej
机构：
[1] Polish Acad Sci, Inst Mol Phys, PL-60179 Poznan, Poland
[2] Poznan Univ Tech, Inst Phys, Fac Tech Phys, PL-60965 Poznan, Poland
来源：
SYNTHETIC METALS | 2007年 / 157卷 / 8-9期
关键词：
PDI dyads; fullerene; tetrathiafulvalene; light-induced electron spin resonance;
D O I：
10.1016/j.synthmet.2007.04.003
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Dissymmetrical peryiene-3,4,9, 10-tetracarboxydiimide building block (PDI) was used to obtain the dyads with fullerene (PDI-C-60) and tetrathiafulvalene (PDI-TTF). Photoinduced electron transfer in these dyads was investigated with light-induced electron spin resonance (LESR) spectroscopy. The LESR signals of the samples in CHCl3 solutions were recorded in the dark and under light illumination, at room temperature and at about 80 K. It was stated that the LESR signal increases stepwise with the incident light and decreases slowly when the light is switched off. The photogeneration of PDI center dot+, TTF center dot- and C-60(center dot-) ion-radicals was observed and analyzed. The principal parameters of the LESR lines of the ion-radicals are determined. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：363 / 367
页数：5
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