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JMT 2017, Vol. 25 Issue (1) :52-57    DOI: 10.1007/s40534-016-0120-8
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Synthesis and photoelectrical performance of nanoscale PbS and Bi2S3 co-sensitized on TiO2 nanotube arrays
Fanggong Cai1,2, Min Pan1,2, Yong Feng2, Guo Yan2, Yong Zhang1, Yong Zhao1,3*
1 Superconductivity and New Energy R&D Center, Key Laboratory of Advanced Technology of Materials (Ministry of Education of China), Southwest Jiaotong University, Mail Stop 165#, Cheng du 610031, People's Republic of China;
2 National Engineering Labortary for Superconducting Materials, Western Superconducting Technologies Co. Ltd, Xi'an, People's Republic of China;
3 School of Physical Science and Technology, Southwest Jiaotong University, Chengdu 610031, People's Republic of China

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Abstract TiO2 films have been widely applied in photovoltaic conversion techniques. TiO2 nanotube arrays (TiO2 NAs) can be grown directly on the surface of metal Ti by the anodic oxidation method. Bi2S3 and PbS nanoparticles (NPs) were firstly co-sensitized on TiO2 NAs (denoted as PbS/Bi2S3(n)/TiO2 NAs) by a two-step process containing hydrothermal and sonication-assisted SILAR method. When the concentration of Bi3+ is 5 mmol/L, the best photoelectrical performance was obtained under simulated solar irradiation. The short-circuit photocurrent (Jsc) and photoconversion efficiency (η) of PbS/Bi2S3(5)/TiO2 NAs electrode were 4.70 mA/cm and 1.13%, respectively.
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KeywordsSolar cells   TiO2 nanotube arrays   Bi2S3   PbS   Surface photovoltage     
Received 2016-05-05;

The research was supported by Program of International S&T Cooperation (2013 DFA51050), National Magnetic Confinement Fusion Science Program (2013GB110001), the 863 Program (2014AA032701), the National Natural Science Foundation of China (11405138, 51302231), and the Western Superconducting Technologies Co., Ltd.

Corresponding Authors: Yong Zhao     Email: yzhao@home.swjtu.edu.cn
Cite this article:   
Fanggong Cai, Min Pan, Yong Feng, Guo Yan, Yong Zhang, Yong Zhao.Synthesis and photoelectrical performance of nanoscale PbS and Bi2S3 co-sensitized on TiO2 nanotube arrays[J]  JMT, 2017,V25(1): 52-57
http://jmt.swjtu.edu.cn/EN/10.1007/s40534-016-0120-8      or     http://jmt.swjtu.edu.cn/EN/Y2017/V25/I1/52
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