Potential of amorphous and microcrystalline silicon solar cells

被引：0

作者：

Meier, J ^{[1
]}

Spitznagel, J

Kroll, U

Bucher, C

Fay, S

Moriarty, T

Shah, A

机构：

[1] Univ Neuchatel, Inst Microtech, CH-2000 Neuchatel, Switzerland

[2] Unaxis SPTec SA, CH-2000 Neuchatel, Switzerland

[3] Natl Renewable Energy Lab, Golden, CO 80401 USA

来源：

THIN SOLID FILMS | 2004年 / 451卷

关键词：

amorphous silicon; microcrystalline silicon; thin-film silicon solar cells; light-trapping; LP-CVD ZnO; VHF-PECVD;

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Low pressure chemical vapour deposition (LP-CVD) ZnO as front transparent conductive oxide (TCO), developed at IMT, has excellent light-trapping properties for a-Si:H p-i-n single-junction and 'micromorph' (amorphous/ microcrystalline silicon) tandem solar cells. A stabilized record efficiency of 9.47% has independently been confirmed by NREL for an amorphous silicon single-junction p-i-n cell (similar to 1 cm(2)) deposited on LP-CVD ZnO coated glass. Micromorph tandem cells with an initial efficiency of 12.3% show after light-soaking a stable performance of 10.8%. The monolithic series connection by laser-scribing for module fabrication has been developed at IMT as well, for both amorphous single-junction and micromorph tandem cells in combination with the LP-CVD ZnO technique. Mini-modules (areas between 22 and 24 cm(2)) with an aperture efficiency of 8.7% in the case of amorphous single-junction p-i-n cells (independently confirmed by NREL), and of 9.8% in the case of micromorph tandem cells, have been obtained. Micromorph tandem cells with an intermediate TCO reflector between the amorphous top and the microcrystalline bottom cell show an almost stable performance (eta = 10.7%) with respect to light-soaking. (C) 2003 Elsevier B.V. All rights reserved.

引用

页码：518 / 524

页数：7

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