Polymeric light-emitting diodes from molecularly thin poly(3-hexylthiophene) Langmuir-Blodgett films

被引：39
|
作者：
Pal, AJ
Ostergard, T
Paloheimo, J
Stubb, H
机构：
[1] Department of Physics, Åbo Akademi University, FIN-20500 Åbo
来源：
APPLIED PHYSICS LETTERS | 1996年 / 69卷 / 08期
关键词：
D O I：
10.1063/1.117083
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Light-emitting diodes based on molecularly thin films of a conjugated polymer have been fabricated. A few Langmuir-Blodgett layers of poly(3-hexylthiophene) have been used as the active emitting material of the devices Even the thinnest devices with only 3 monolayers, each having a thickness of approximate to 3 nm, yield the same luminance as thicker ones. The emission results from excitons in the polymer chains, and has a spectrum similar to that of photoluminescence, with a maximum at about 2.0 eV. (C) 1996 American Institute of Physics.
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收藏
页码：1137 / 1139
页数：3
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