文章基本信息

标题：Impedance Spectroscopy of ${\pi}$-Conjugated Organic Materials
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作者：Kim, Seong-Hyun ; Chu, Hye-Yong ; Zyung, Taeh-Young 等
期刊名称：ETRI Journal
印刷版ISSN：1225-6463
电子版ISSN：2233-7326
出版年度：2004
卷号：26
期号：2
页码：161-161
语种：English
出版社：Electronics and Telecommunications Research Institute
摘要：AC electrical properties of organic light-emitting diodes with poly(2-methoxy-5-(2'-ethyl-hexyloxy)-1,4-phenylenevinylene) (MEH-PPV), poly[2,5-bia(dimethyloctylsilyl)-1,4-phenylenevinylene] (BDMOS-PPV), and tris-(8-hydroxyquinolate)-aluminum 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.
关键词：Organic;Semiconductor;impedance;spectroscopy