24.5% efficiency PERT silicon solar cells on SEH MCZ substrates and cell performance on other SEH CZ and FZ substrates

被引:57
|
作者
Zhao, J [1 ]
Wang, AH [1 ]
Green, MA [1 ]
机构
[1] Univ New S Wales, Photovolta Special Res Ctr, Sydney, NSW 2052, Australia
基金
澳大利亚研究理事会;
关键词
silicon; solar cells; FZ; MCZ; CZ; high efficiency;
D O I
10.1016/S0927-0248(00)00155-0
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
High-efficiency passivated emitter, rear totally diffused (PERT) and passivated emitter, rear locally diffused (PERL) cells have been fabricated on magnetically confined Czochralski (MCZ) silicon wafers supplied by SEH, Japan. One PERT MCZ cell demonstrated 24.5% energy conversion efficiency confirmed at Sandia National Laboratories under the standard 100 mW/cm(2) global AM1.5 spectrum at 25 degreesC. This is the highest ever reported efficiency for a silicon cell made on a non-FZ silicon substrate. A light boron diffusion in the PERT cell structure not only reduced the cell series resistance but also improved the cell open-circuit voltage. Other experimental results are also discussed concerning cells fabricated on other SEH CZ(Ga), CZ(B) and FZ substrates. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:27 / 36
页数:10
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