Recent advances in hot-wire CVD R&D at NREL: From 18% silicon heterojunction cells to silicon epitaxy at glass-compatible temperatures

被引:19
作者
Branz, Howard M. [1 ]
Teplin, Charles W. [1 ]
Young, David L. [1 ]
Page, Matthew R. [1 ]
Iwaniczko, Eugene [1 ]
Roybal, Lorenzo [1 ]
Bauer, Russell [1 ]
Mahan, A. Harv [1 ]
Xu, Yueqin [1 ]
Stradins, Pauls [1 ]
Wang, Tihu [1 ]
Wang, Qi [1 ]
机构
[1] Natl Renewable Energy Lab, Natl Ctr Photovolt, Silicon Mat & Devices Grp, Golden, CO 80401 USA
关键词
heterojunctions; solar cells; epitaxial growth; silicon; hot-wire deposition; crystallization; efficiency; passivation;
D O I
10.1016/j.tsf.2007.06.115
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Our research aiming to improve silicon photovoltaic materials and devices extensively utilizes hot-wire chemical vapor deposition (HWCVD). We have recently achieved 18.2% heterojunction silicon solar cells by applying HWCVD a-Si:H front and back contacts to textured p-type silicon wafers. This is the best reported p-wafer heterojunction solar cell by any technique. We have also dramatically improved the quality of HWCVD silicon epitaxy and recently achieved I I gm of epitaxial growth at a rate of 110 nm/min. Published by Elsevier B.V.
引用
收藏
页码:743 / 746
页数:4
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