Organic Light-Emitting Diodes on Solution-Processed Graphene Transparent Electrodes

被引：794

作者：

Wu, Junbo ^{[2
]}

Agrawal, Mukul ^{[1
]}

Becerril, Hector A. ^{[3
]}

Bao, Zhenan ^{[3
]}

Liu, Zunfeng ^{[4
,5
]}

Chen, Yongsheng ^{[4
,5
]}

Peumans, Peter ^{[1
]}

机构：

[1] Stanford Univ, Dept Elect Engn, Stanford, CA 94305 USA

[2] Stanford Univ, Dept Mat Sci & Engn, Stanford, CA 94305 USA

[3] Stanford Univ, Dept Chem Engn, Stanford, CA 94305 USA

[4] Nankai Univ, Key Lab Funct Polymer Mat, Inst Polymer Chem, Coll Chem, Tianjin 300071, Peoples R China

[5] Nankai Univ, Ctr Nanoscale Sci & Technol, Inst Polymer Chem, Coll Chem, Tianjin 300071, Peoples R China

来源：

ACS NANO | 2010年 / 4卷 / 01期

基金：

美国国家科学基金会;

关键词：

graphene; OLED; transparent conductor; outcoupling; solution-processed; CARBON NANOTUBE FILMS; HIGH-EFFICIENCY; EMISSION; DEPENDENCE; SUBSTRATE; DEVICES;

D O I：

10.1021/nn900728d

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Theoretical estimates indicate that graphene thin films can be used as transparent electrodes for thin-film devices such as solar cells and organic light-emitting diodes, with an unmatched combination of sheet resistance and transparency, We demonstrate organic light-emitting diodes with solution-processed graphene thin film transparent conductive anodes. The graphene electrodes were deposited on quartz substrates by spin-coating of an aqueous dispersion of functionalized graphene, followed by a vacuum anneal step to reduce the sheet resistance. Small molecular weight organic materials and a metal cathode were directly deposited on the graphene anodes, resulting in devices with a performance comparable to control devices on indium-tin-oxide transparent anodes. The outcoupling efficiency of devices on graphene and indium-tin-oxide is nearly identical, in agreement with model predictions.

引用

页码：43 / 48

页数：6

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