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Spectral properties of resonant-cavity, polyfluorene light-emitting diodes

被引：55
作者：
Fletcher, RB
Lidzey, DG
Bradley, DDC
Bernius, M
Walker, S
机构：
[1] Univ Sheffield, Dept Phys & Astron, Sheffield S3 7RH, S Yorkshire, England
[2] Dow Chem Co, Cent & New Businesses R&D, Midland, MI 48674 USA
[3] Univ Sheffield, Dept Elect & Elect Engn, Sheffield S1 3TN, S Yorkshire, England
来源：
APPLIED PHYSICS LETTERS | 2000年 / 77卷 / 09期
关键词：
D O I：
10.1063/1.1287402
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We report on the fabrication and device properties of light-emitting resonant cavity conjugated-polymer diodes. The microcavity structures were constructed using a dielectric mirror, an indium-tin-oxide anode, a green light-emitting polyfluorene blend, and a metal (cathode) mirror. The best performance was obtained for a composite calcium-aluminum cathode, that combines high reflectivity with a low workfunction. This structure emitted electroluminescence with a linewidth of 12 nm and a maximum brightness of 300 cd m(-2) at a bias of 35 V with an efficiency of 0.95 cd A(-1). (C) 2000 American Institute of Physics. [S0003-6951(00)01230-4].
引用
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页码：1262 / 1264
页数：3
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