Efficient white light emission in conjugated polymer homojunctions

被引：77
|
作者：
Ho, GK
Meng, HF [1 ]
Lin, SC
Horng, SF
Hsu, CS
Chen, LC
Chang, SM
机构：
[1] Natl Chiao Tung Univ, Inst Phys, Hsinchu 300, Taiwan
[2] Natl Tsing Hua Univ, Dept Elect Engn, Hsinchu 300, Taiwan
[3] Natl Chiao Tung Univ, Dept Appl Chem, Hsinchu 300, Taiwan
[4] Delta Optoelect Inc, Hsinchu 300, Taiwan
[5] Natl Taiwan Univ Technol, Inst Organ & Polym Mat, Taipei 106, Taiwan
来源：
APPLIED PHYSICS LETTERS | 2004年 / 85卷 / 20期
关键词：
D O I：
10.1063/1.1813643
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We study polymer light-emitting diodes with a homojunction, i.e., junction between two layers with the same host material. One layer is poly (9,9-dioctylfluorene-2,7-diyl) (PFO) host blended with a small amount of poly (2-methoxy-5 (2'-ethyl-hexyloxy)-1,4-phenylene vinylene), another layer is either pure PFO or PFO host blended with green-emitting polyfluorene copolymers. Such homojunction devices are solution processed and show efficient white light emission. The peak luminance 3000 cd/m(2) is reached at 10 V with Internationale de L'Eclairage (CIE) coordinate (0.34, 0.34). (C) 2004 American Institute of Physics.
引用
收藏
页码：4576 / 4578
页数：3
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