Electronic properties of junctions between aluminum and doped poly(3,4-ethylenedioxythiophene)

被引:24
作者
Bantikassegn, W
Inganas, O
机构
[1] Laboratory of Applied Physics, Dept. of Phys. and Msrmt. Technology, Linköping University
关键词
metals; contacts; electrical properties and measurements;
D O I
10.1016/S0040-6090(96)08958-4
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Metal contacts to poly(3-,4-ethylenediolcythiophenc) doped either with large polymeric anions such as poly(styrenesulphonate) or small anions like ClO4- have been studied by means of electrical characterization. The current-voltage characteristics and complex impedance spectroscopy show the poly(3-,4-ethylenedioxythiophene) (PEDOT)(large anion)/Al contacts to be described by an insulating layer in series with a layer depleted of charge carriers. With the PEDOT(small anion)/Al contacts, no interfacial insulating layer is detected in the measurements, but a depletion layer is observed.
引用
收藏
页码:138 / 143
页数:6
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