ITO electrode/photoactive layer interface engineering for efficient inverted polymer solar cells based on P3HT and PCBM using a solution-processed titanium chelate

被引：21
作者：
Zhang, Wenqing [1 ,2 ,3 ,4 ]
Tan, Zhan'ao [1 ,2 ]
Qian, Deping [1 ,2 ]
Li, Liangjie [1 ,2 ]
Xu, Qi [1 ,2 ]
Li, Shusheng [1 ,2 ]
Zheng, Hua [3 ]
Li, Yongfang [4 ]
机构：
[1] N China Elect Power Univ, State Key Lab Alternate Elect Power Syst Renewabl, Beijing 102206, Peoples R China
[2] N China Elect Power Univ, New & Renewable Energy Beijing Key Lab, Beijing 102206, Peoples R China
[3] Wuhan Univ Technol, Sch Chem Engn, Wuhan 430070, Peoples R China
[4] Chinese Acad Sci, Inst Chem, CAS Key Lab Organ Solids, Beijing 100190, Peoples R China
来源：
JOURNAL OF PHYSICS D-APPLIED PHYSICS | 2012年 / 45卷 / 28期
关键词：
OPEN-CIRCUIT VOLTAGE; PHOTOVOLTAIC CELLS; REGIOREGULAR POLY(3-HEXYLTHIOPHENE); ACCEPTOR; OXIDE;
D O I：
10.1088/0022-3727/45/28/285102
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We report efficient inverted polymer solar cells (PSCs) based on poly(3-hexylthiophene) (P3HT) and [6,6]-phenyl-C61-butyric acid methyl ester (PCBM) using alcohol-soluble titanium (diisopropoxide) bis(2,4-pentanedionate) (TIPD) as an electron selective layer between the indium tin oxide (ITO) electrode and the photoactive layer. The thermally annealed TIPD layer is highly transparent in the visible range and shows effective electron collection ability. By optimizing the electron-collecting layer, the photoactive layer and the hole-collecting layer, the power conversion efficiency (PCE) of the inverted device with the structure ITO/TIPD/P3HT : PCBM/MoO3/Ag reaches 4.10% under the illumination of AM1.5G, 100 mW cm(-2), which is among the highest values for inverted PSCs based on P3HT : PCBM. The PCE of the inverted device is improved in comparison with the conventional device (3.77%) under the same experimental conditions.
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页数：7
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