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
收藏
页码：248 / 256
页数：9
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