Cu2ZnSnS4 solar cells grown by sulphurisation of sputtered metal precursors

被引：39
作者：
Marchionna, S. [1 ]
Garattini, P. [2 ,3 ]
Le Donne, A. [2 ,3 ]
Acciarri, M. [2 ,3 ]
Tombolato, S. [2 ,3 ]
Binetti, S. [2 ,3 ]
机构：
[1] Voltasolar Srl, I-22078 Turate, CO, Italy
[2] Univ Milano Bicocca, Dept Mat Sci, Milan, Italy
[3] Univ Milano Bicocca, Solar Energy Res Ctr MIB SOLAR, Milan, Italy
来源：
THIN SOLID FILMS | 2013年 / 542卷
关键词：
Copper zinc tin sulfide; Kesterite; Thin films; Earth abundant; Sputtering; Solar cells; THIN-FILMS; STRUCTURAL-CHARACTERIZATION; OPTICAL-PROPERTIES; EFFICIENCY; FABRICATION;
D O I：
10.1016/j.tsf.2013.06.084
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Cu2ZnSnS4 (CZTS) thin films were grown with a two-step process. Metal precursors deposited on Mo-coated soda lime glasses by RF sputtering were sulphurised by thermal treatment in sulphur vapours. To optimise the growth process, comprehensive structural characterisation (by electron microscopy, Raman spectroscopy and X-ray diffraction) of the CZTS films was mandatory. The results are reported and discussed herein. Of the many stoichiometries obtained by sulphurisation, Cu-poor/Zn-rich CZTS films were chosen as absorber layers to be tested in photovoltaic devices in order to prevent development of the Cu2-xS secondary phase typical of Cu-rich samples. Electrical characterisation of these CZTS solar cells demonstrates efficiency around 4%. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：114 / 118
页数：5
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