Photoinduced splitting of bipolarons in polymers

被引：1
|
作者：
Shen, X
Tang, F
George, TF [1 ]
Sun, X
机构：
[1] Univ Missouri, Off Chancellor, Dept Chem & Biochem, St Louis, MO 63121 USA
[2] Univ Missouri, Off Chancellor, Dept Phys & Astron, St Louis, MO 63121 USA
[3] Fudan Univ, Res Ctr Theoret Phys, Shanghai 200433, Peoples R China
[4] Acad Sinica, Shanghai Inst Tech Phys, Natl Lab Infrared Phys, Shanghai 200083, Peoples R China
来源：
PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS | 2004年 / 241卷 / 13期
关键词：
D O I：
10.1002/pssb.200402072
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
In conducting polymers, a polaron carries charge +/-e with spin s = +/-1/2, and a bipolaron carries charge +/-2e without spin. Hence, the polaron is a spin carrier but the bipolaron is not. Through a dynamical simulation, our study of photoinduced phenomena shows that, by absorbing a photon, a bipolaron is split into two polarons. This photoinduced splitting converts a charge carrier (bipolaron) into two spin carriers (polarons). (C) 2004 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码：2948 / 2953
页数：6
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