Transient capacitance measurements of the transport and trap states distributions in a conjugated polymer

被引：38
|
作者：
Campbell, A. J. [1 ]
Bradley, D. D. C. [1 ]
Werner, E. [2 ]
Bruetting, W. [2 ]
机构：
[1] Univ Sheffield, Dept Phys & Astron, Ctr Mol Mat, Sheffield S3 7RH, S Yorkshire, England
[2] Univ Bayreuth, Lehrstuhl Expt Phys 2, D-95440 Bayreuth, Germany
来源：
ORGANIC ELECTRONICS | 2000年 / 1卷 / 01期
基金：
英国工程与自然科学研究理事会;
关键词：
Conjugated polymers; Traps; Transport states; Transient capacitance;
D O I：
10.1016/S1566-1199(00)00004-5
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We have performed transient capacitance measurements on indium tin oxide/poly(p-phenylenevinylene)/Al diodes which have a depletion region type Schottky barrier at the polymer/Al interface. We show that both the transport and trap state distributions within the polymer can be determined from the results and present a fully consistent model that describes the observed behaviour in terms of a de-trapping of carriers from a discrete trap level to a Gaussian distribution of transport states. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：21 / 26
页数：6
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