Texture etched Al-doped ZnO: A new material for enhanced light trapping in thin film solar cells

被引:25
作者
Kluth, O [1 ]
Loffl, A [1 ]
Wieder, S [1 ]
Beneking, C [1 ]
Appenzeller, W [1 ]
Houben, L [1 ]
Rech, B [1 ]
Wagner, H [1 ]
Hoffmann, S [1 ]
Waser, R [1 ]
Selvan, JAA [1 ]
Keppner, H [1 ]
机构
[1] Forschungszentrum Julich, ISI, PV, D-52425 Julich, Germany
来源
CONFERENCE RECORD OF THE TWENTY SIXTH IEEE PHOTOVOLTAIC SPECIALISTS CONFERENCE - 1997 | 1997年
关键词
D O I
10.1109/PVSC.1997.654189
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
We found that sputtered ZnO:Al films with an appropriate compact structure develop a surface texture during etching in diluted HCl with excellent optical and light trapping properties. Moreover, these texturable films have a high optical transmission and good electrical properties which are not affected by the etching process. An analysis of the film structure by HRSEM is presented. High short-circuit currents have been achieved for a-Si-H solar cells incorporating these films as TCO substrates.
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页码:715 / 718
页数:4
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