ELECTROLUMINESCENCE AND ELECTRICAL TRANSPORT IN POLY(3-OCTYLTHIOPHENE) DIODES

被引：173
作者：
BRAUN, D
GUSTAFSSON, G
MCBRANCH, D
HEEGER, AJ
机构：
[1] Institute for Polymers and Organic Solids, University of California at Santa Barbara, Santa Barbara
来源：
JOURNAL OF APPLIED PHYSICS | 1992年 / 72卷 / 02期
关键词：
D O I：
10.1063/1.351834
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We report visible light emission from diodes made from poly(3-octylthiophene). Use of a soluble derivative of polythiophene allows fabrication of the light emitting diodes by casting the polymer film from solution with no subsequent processing or heat treatment required. The devices emit dim red-orange light with relatively low external quantum efficiencies, below 2.5 X 10(-5) photons per electron at room temperature. Electrical characterization reveals diode behavior with rectification ratios greater than 10(2). The temperature dependence indicates that tunneling phenomena dominate the charge injection.
引用
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页码：564 / 568
页数：5
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