Carrier transport mechanisms in organic electroluminescent devices

被引：6

作者：

Shen, J ^{[1
]}

Xu, JH ^{[1
]}

Yang, J ^{[1
]}

So, F ^{[1
]}

Lee, HC ^{[1
]}

机构：

[1] Arizona State Univ, Dept Elect Engn, Tempe, AZ 85287 USA

来源：

POLYMER PHOTONIC DEVICES | 1998年 / 3281卷

关键词：

organic; electroluminescent; light-emitting; trap charge limited (TCL); space charge limited (SCL);

D O I：

10.1117/12.305428

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

The current-voltage relationships in organic electroluminesent devices are derived for the following two cases: (i) double-carrier injection trap-charge Limited (TCL) regime, and (ii) TCL conduction with internal photodetrapping. Several experimental observations are explained based on our equations. Location of the recombination zone is predicted. A numerical model is also developed to simulate the TCL conduction. Current-voltage characteristics, band and charge profiles are obtained to elucidate the conduction mechanisms in the organic electroluminescent devices with large trap densities.

引用

页码：248 / 256

页数：9

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