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

页码：21 / 26

页数：6

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