Solar Cell Structures Based on ZnO/CdS Core-Shell Nanowire Arrays Embedded in Cu2ZnSnS4 Light Absorber

被引:0
|
作者
Sun, Weiwei [1 ]
Brozak, Matthew [1 ]
Armstrong, Johnathan C. [1 ]
Cui, Jingbiao [1 ]
机构
[1] Univ Arkansas, Dept Phys & Astron, Arkansas GREEN Res Ctr Solar Cells, Little Rock, AR 72204 USA
来源
2013 IEEE 39TH PHOTOVOLTAIC SPECIALISTS CONFERENCE (PVSC) | 2013年
关键词
Co-sputtering; CZTS; Nanowires; Solar cells; ZnO;
D O I
暂无
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
Cu2ZnSnS4 (CZTS) is a promising alternative for Cu(In,Ga)Se-2 (CIGS) absorber layer in thin film solar cells due to its earth abundant, inexpensive, non-toxic constituents and optimal material properties. In this report, CZTS based thin film and nanowire (NW) solar cells are studied by both experimental and simulation approaches. The CZTS thin films are grown using co-sputtering of Cu-Zn-Sn metallic precursors from a single target followed by sulfurization with elemental sulfur. CZTS superstrate solar cells using CdS as a buffer layer in both thin film and NW designs are fabricated. Simulation data shows that the NW structures enhance the light absorption of CZTS around the NWs due to light trapping effect, which may have significant impact on solar cell performance.
引用
收藏
页码:2042 / 2046
页数:5
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