Transparent back contacts in CdTe/CdS: Evaluation for tandem cells

被引:0
作者
Parikh, Viral [1 ]
Vasko, Anthony [1 ]
Compaan, Alvin D. [1 ]
Marsillac, Sylvain [1 ]
机构
[1] Univ Toledo, Toledo, OH 43606 USA
来源
THIN-FILM COMPOUND SEMICONDUCTOR PHOTOVOLTAICS - 2007 | 2007年 / 1012卷
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D O I
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中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
CdS/CdTe solar cells with 2.3 mu m CdTe were prepared with four different types of p+/n+ transparent back contacts (TBCs) - ZnTe:Cu/ZnO:Al, ZnTe:N/ZnO:Al, ZnTe:Cu/ITO, and ZnTe:N/ITO. ZnTe:N/ITO was found to give the best results. This back contact was then used to make cells of lesser (1.8 mu m and 0.7 mu m) CdTe thickness, in those cases giving good performance up to 9.1% efficiency. Bifacial J-V was performed on all cells with the optimum ZnTe:N/ITO back contact.
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页码:75 / 80
页数:6
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