TiO2-based solar cells sensitized by chemical-bath-deposited few-layer MoS2

被引：29
作者：
Du, Tian [1 ]
Wang, Ning [1 ,2 ]
Chen, Haijun [1 ]
He, Hongcai [1 ]
Lin, Hong [3 ]
Liu, Kai [2 ]
机构：
[1] Univ Elect Sci & Technol China, State Key Lab Elect Thin Films & Integrated Devic, Chengdu 610054, Peoples R China
[2] Univ Calif Berkeley, Dept Mat Sci & Engn, Berkeley, CA 94720 USA
[3] Tsinghua Univ, State Key Lab New Ceram & Fine Proc, Sch Mat Sci & Engn, Beijing 100084, Peoples R China
来源：
JOURNAL OF POWER SOURCES | 2015年 / 275卷
基金：
国家高技术研究发展计划(863计划);
关键词：
Solar cells; Titanium dioxide; Molybdenum disulfide; Chemical bath; Photovoltaic performance; LARGE-AREA; ATOMIC LAYERS; TIO2; HETEROJUNCTION; PERFORMANCE; PHOTOANODE; NANOSHEETS; EVOLUTION; GROWTH; LIGHT;
D O I：
10.1016/j.jpowsour.2014.11.048
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Herein, we reported a novel MoS2/TiO2 heterostructure inorganic solar cell based on chemical-bath deposition of MoS2 in the mesoporous TiO2 three-dimensional network. Raman spectrum indicated the existence of MoS2 and suggested a few-layer structure with peaks at 384 cm(-1) and 405.5 cm(-1). HRTEM images further confirmed the few-layer structure of MoS2 (3-7 layers). With deposited MoS2, UV absorption spectra of TiO2 photoanode film indicated a considerably enhanced absorption in the visible region. Both annealing and careful control of the thickness of MoS2 sensitized layer could optimize the photovoltaic performance. The reason for the enhanced photovoltaic performance of the novel inorganic solar cell was also explained in detail. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：943 / 949
页数：7
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