Anode modification of inverted polymer solar cells using graphene oxide

被引：98

作者：

Gao, Yan ^{[1
,2
]}

Yip, Hin-Lap ^{[1
]}

Hau, Steven K. ^{[1
]}

O'Malley, Kevin M. ^{[3
]}

Cho, Nam Chul ^{[1
]}

Chen, Hongzheng ^{[2
]}

Jen, Alex K. -Y. ^{[1
,3
]}

机构：

[1] Univ Washington, Dept Mat Sci & Engn, Seattle, WA 98195 USA

[2] Zhejiang Univ, Zhejiang California Int Nanosyst Inst, MOE Key Lab Macromol Synth & Functionalizat, State Key Lab Silicon Mat, Hangzhou 310027, Zhejiang, Peoples R China

[3] Univ Washington, Dept Chem, Seattle, WA 98195 USA

来源：

APPLIED PHYSICS LETTERS | 2010年 / 97卷 / 20期

基金：

新加坡国家研究基金会; 中国国家自然科学基金; 美国国家科学基金会;

关键词：

TRANSPORT;

D O I：

10.1063/1.3507388

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A simple method has been developed to modify the anode interface of inverted bulk-heterojunction (BHJ) polymer solar cells by spin-coating a thin layer of graphene oxide (GO) on top of the organic active layer. The device with GO exhibited a remarkable improvement in power conversion efficiency compared to devices without any interfacial layer, indicating that GO can effectively modify the BHJ/metal anode interface to facilitate efficient hole collection. The dependence of the device performance on the GO layer thickness was also investigated showing an optimum performance from a GO thickness of similar to 2-3 nm. (C) 2010 American Institute of Physics. [doi: 10.1063/1.3507388]

引用

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