Sn-doped TiO2 nanorod arrays and application in perovskite solar cells

被引：91
|
作者：
Zhang, Xiang [1 ]
Bao, Zhongqiu [1 ]
Tao, Xiyun [1 ]
Sun, Hongxia [1 ]
Chen, Wen [1 ]
Zhou, Xingfu [1 ]
机构：
[1] Nanjing Univ Technol, Coll Chem & Chem Engn, State Key Lab Mat Oriented Chem Engn, Nanjing 210009, Jiangsu, Peoples R China
来源：
RSC ADVANCES | 2014年 / 4卷 / 109期
关键词：
HOLE CONDUCTOR; EFFICIENCY; CH3NH3PBI3; PERFORMANCE; DEPOSITION; REACTIVITY; TRANSPORT;
D O I：
10.1039/c4ra11155a
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Tin-doped (Sn-doped) TiO2 nanorods arrays were successfully synthesized on a TiO2 seed layer via a mild one-pot hydrothermal method. Sn-doped TiO2 nanorods with high electron mobility were assembled into a solid perovskite solar cell. The study indicated that the introduction of the Sn element led to the change of the TiO2 band gap from 3.0 to 3.04 eV. Electrochemical impedance spectroscopy showed that the resistance of the device based on Sn-doped TiO2 nanorods was lower than that of the undoped device. The PCE of the Sn-doped perovskite device achieved 6.31%, which was almost 67% higher than that of the undoped sample.
引用
收藏
页码：64001 / 64005
页数：5
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