Impedance spectroscopy of π-conjugated organic materials

被引：14

作者：

Kim, SH ^{[1
]}

Chu, HY

Zyung, T

Yang, YS

机构：

[1] ETRI, Future Technol Res Div, Taejon, South Korea

[2] ETRI, Basic Res Lab, Taejon, South Korea

来源：

ETRI JOURNAL | 2004年 / 26卷 / 02期

关键词：

organic; semiconductor; impedance; spectroscopy;

D O I：

10.4218/etrij.04.0102.0018

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

AC electrical properties of organic light-emitting diodes with poly(2-metboxy-5-(2'-ethyl-hexyloxy)-1,4-phenylenevinylene) (MEH-PPV), poly[2,5-bia(dimethyloctylsilyl)-1,4-phenylene-vinylene] (BDMOS-PPV), and tris-(8-hydroxyquinolate)-aluminum (AIQ(3)) as light-emitting materials are studied. The frequency-dependent real and imaginary parts of impedance were fitted using an equivalent circuit. We found that the conduction mechanism is a space-charge limited current with exponential trap distribution.

引用

收藏

页码：161 / 166

页数：6

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