Enhanced performance in organic photovoltaic devices with a KMnO4 solution treated indium tin oxide anode modification

被引：8
|
作者：
Yang Qian-Qian [1 ,2 ]
Zhao Su-Ling [1 ,2 ]
Xu Zheng [1 ,2 ]
Zhang Fu-Jun [1 ,2 ]
Yan Guang [1 ,2 ]
Kong Chao [1 ,2 ]
Fan Xing [1 ,2 ]
Zhang Yan-Fei [1 ,2 ]
Xu Xu-Rong [1 ,2 ]
机构：
[1] Beijing Jiaotong Univ, Key Lab Luminescence & Opt Informat, Minist Educ, Beijing 100044, Peoples R China
[2] Beijing Jiaotong Univ, Inst Optoelect Technol, Beijing 100044, Peoples R China
来源：
CHINESE PHYSICS B | 2012年 / 21卷 / 12期
基金：
中国国家自然科学基金;
关键词：
organic photovoltaic devices; indium tin oxide; anode modification; KMnO4; POLYMER SOLAR-CELLS; BULK; EFFICIENCY;
D O I：
10.1088/1674-1056/21/12/128402
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The properties of poly(3-hexylthiophene):(6,6)-phenyl C-61 butyric acid methyl ester (P3HT:PCBM) organic photovoltaic devices (OPVs) with an indium tin oxide (ITO) anode treated by a KMnO4 solution are investigated. The optimized KMnO4 solution has a concentration of 50 mg/L, and ITO is treated for 15 min. The modification of ITO anode results in an enhancement of the power conversion efficiency (PCE) of the device, which is responsible for the increase of the photocurrent. The performance enhancement is attributed to the work function modification of the ITO substrate through the strong oxygenation of KMnO4, and then the charge collection efficiency is improved.
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页数：5
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