The Cu2ZnSnSe4 thin films solar cells synthesized by electrodeposition route

被引:58
|
作者
Li, Ji [1 ]
Ma, Tuteng [1 ]
Wei, Ming [1 ]
Liu, Weifeng [1 ]
Jiang, Guoshun [1 ]
Zhu, Changfei [1 ]
机构
[1] Univ Sci & Technol China, Dept Mat Sci & Engn, CAS Key Lab Mat Energy Convers, Hefei 230026, Peoples R China
关键词
Cu2ZnSnSe4; Thin films; Electrodeposition; Selenization; Capacitance-voltage; COMPLEXING AGENT; PRECURSORS; SULFURIZATION; ABSORBERS;
D O I
10.1016/j.apsusc.2012.03.006
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
An electrodeposition route for preparing Cu2ZnSnSe4 thin films for thin film solar cell absorber layers is demonstrated. The Cu2ZnSnSe4 thin films are prepared by co-electrodeposition Cu-Zn-Sn metallic precursor and subsequently annealing in element selenium atmosphere. The structure, composition and optical properties of the films were investigated by X-ray diffraction (XRD), Raman spectrometry, energy dispersive spectrometry (EDS) and UV-VIS absorption spectroscopy. The Cu2ZnSnSe4 thin film with high crystalline quality was obtained, the band gap and absorption coefficient were 1.0 eV and 10(-4) cm(-1), which is quite suitable for solar cells fabrication. A solar cell with the structure of ZnO:Al/i-ZnO/CdS/Cu2ZnSnSe4/Mo/glass was fabricated and achieved an conversion efficiency of 1.7%. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码:6261 / 6265
页数:5
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