ELECTRIC CONDUCTION VIA SHALLOW TRAPS IN AN UNDOPED CONJUGATED PPP-TYPE LADDER-POLYMER

被引:11
作者
LEDITZKY, G
LEISING, G
机构
[1] Institut for Festklrrperphysik, Graz University of Technology, Graz, 8010
关键词
D O I
10.1088/0022-3727/27/10/030
中图分类号
O59 [应用物理学];
学科分类号
摘要
Shallow traps for p-type charge carriers were found in a ladder-type poly(p-phenylene). Using the thermally stimulated current technique a trap depth of 0.1 eV was determined. The electrical current of a gold-ladder-polymer-gold structure at field strengths of 4 x 10(4) V cm(-1) is space-charge limited. We propose a Gaussian trap distribution centred at 0.1 eV above the valence band edge.
引用
收藏
页码:2185 / 2189
页数:5
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