PROPERTIES OF THE PLANAR POLY(3-OCTYLTHIOPHENE) ALUMINUM SCHOTTKY-BARRIER DIODE

被引:53
作者
ASSADI, A
SVENSSON, C
WILLANDER, M
INGANAS, O
机构
[1] Department of Physics, IFM, Linköping University
关键词
D O I
10.1063/1.351491
中图分类号
O59 [应用物理学];
学科分类号
摘要
Formation and characterization of planar polymer Schottky barrier diodes are presented. Electrical characteristics of planar aluminium-poly(3-octylthiophene) Schottky barrier diodes are studied with emphasis on the current transport mechanisms. The device exhibits nearly ideal diode behavior in dark with an ideality factor of n = 1.2. Temperature dependence of the current-voltage characteristics of the diode is studied in the range 170-370 K. Agreement with the diffusion theory of metal-semiconductor rectification is demonstrated for high temperatures T > 300 K. For temperatures less than room temperatures tunneling is proposed to be the dominant current transport mechanism.
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页码:2900 / 2906
页数:7
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