Ambipolar Charge Transport in "Traditional" Organic Hole Transport Layers

被引：21
作者：
Khademi, S. [1 ]
Song, J. Y. [1 ]
Wyatt, P. B. [2 ]
Kreouzis, T. [1 ]
Gillin, W. P. [1 ]
机构：
[1] Queen Mary Univ London, Sch Phys & Astron, London E1 4NS, England
[2] Queen Mary Univ London, Sch Chem & Biol Sci, London E1 4NS, England
来源：
ADVANCED MATERIALS | 2012年 / 24卷 / 17期
关键词：
ambipolar transport; electron mobility; hole mobility; organic semiconductors; LIGHT-EMITTING DEVICES; N-TYPE; CRYSTAL; DIODES;
D O I：
10.1002/adma.201103830
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Organic semiconductors are often labeled as electron or hole transport materials due to the primary role they perform in devices. However, despite these labels we have shown using time-of-flight that two of the traditional "hole transport materials" TPD and NPB are actually excellent electron transporters the electron transport properties of which are comparable to those for holes. Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码：2278 / 2283
页数：6
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