Determination of charge carrier mobility of hole transporting polytriarylamine-based diodes

被引：24

作者：

Barea, Eva M. ^{[1
]}

Garcia-Belmonte, Germa ^{[1
]}

Sommer, Michael ^{[2
]}

Huettner, Sven ^{[2
]}

Bolink, Henk J. ^{[3
]}

Thelakkat, Mukundan ^{[2
]}

机构：

[1] Univ Jaume 1, Dept Fis, Photovolta & Optoelect Devices Grp, Castellon de La Plana 12071, Spain

[2] Univ Bayreuth, D-95440 Bayreuth, Germany

[3] Univ Valencia, Inst Mol Sci, Valencia 46980, Spain

来源：

THIN SOLID FILMS | 2010年 / 518卷 / 12期

关键词：

Poly(triarylamines); Hole-transporting materials; Mobility; Organic electronics; LIGHT-EMITTING-DIODES; FIELD-EFFECT MOBILITY; SOLAR-CELLS; BLOCK-COPOLYMERS; TRANSIENT; PHOTOCONDUCTIVITY; TEMPERATURE; TRANSISTORS; POLYMERS; ELECTRON;

D O I：

10.1016/j.tsf.2009.10.003

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Hole transport properties of three different side chain poly(triarylamines) have been determined by means of the analysis of steady-state current-voltage characteristics using co-planar diode structures. The interpretation is based on space-charge limited models with field-dependent mobility. Mobilities between similar to 10(-8) and 10(-6) cm(2) V-1 s(-1) are obtained. The highest mobility is achieved for poly(tetraphenylbenzidine) devices and the lowest for poly(triphenylamine) devices. Electron-rich methoxy substituents increase the mobility of poly(triphenylamine)s. A comparison of the mobility values with those obtained using organic field-effect transistors is also given. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：3351 / 3354

页数：4

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