Extremely Efficient Indium-Tin-Oxide-Free Green Phosphorescent Organic Light-Emitting Diodes

被引：101

作者：

Cai, Min ^{[3
,4
]}

Ye, Zhuo ^{[3
,4
]}

Xiao, Teng ^{[3
,4
]}

Liu, Rui ^{[3
,4
]}

Chen, Ying ^{[3
,4
]}

Mayer, Robert W. ^{[1
,2
]}

Biswas, Rana ^{[1
,2
]}

Ho, Kai-Ming ^{[3
,4
]}

Shinar, Ruth ^{[1
,2
]}

Shinar, Joseph ^{[3
,4
]}

机构：

[1] Iowa State Univ, Microelect Res Ctr, Ames, IA 50011 USA

[2] Iowa State Univ, Dept Elect & Comp Engn, Ames, IA 50011 USA

[3] Iowa State Univ, Ames Lab USDOE, Ames, IA 50011 USA

[4] Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA

来源：

ADVANCED MATERIALS | 2012年 / 24卷 / 31期

关键词：

phosphorescent OLEDs; ITO-free PHOLEDs; PEDOT:PSS multilayered anode; high efficiency OLEDs; weak microcavity effect; HIGHLY CONDUCTIVE POLYMER; SOLAR-CELLS; ELECTROLUMINESCENT DEVICES; QUANTUM EFFICIENCY; EMISSION; ELECTRODES; MICROCAVITIES; ENHANCEMENT; SIMULATION; DOPANTS;

D O I：

10.1002/adma.201202035

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

This paper demonstrates extremely efficient (eta(P,max) = 118 lm W-1) ITO-free green phosphorescent OLEDs (PHOLEDs) with multilayered, highly conductive poly(3,4-ethylenedioxythiophene): poly(styrenesulfonate) (PEDOT: PSS) films as the anode. The efficiency is obtained without any outcoupling-enhancing structures and is 44% higher than the 82 lm W-1 of similar optimized ITO-anode PHOLEDs. Detailed simulations show that this improvement is due largely to the intrinsically enhanced outcoupling that results from a weak microcavity effect.

引用

页码：4337 / +

页数：7

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