NDLI: Numerical simulation and experimental investigation of a-Si/a-SiGe tandem junction solar cells

Content Provider	IEEE Xplore Digital Library
Author	Qi Hua Fan Xianbo Liao Changyong Chen Xianbi Xiang Guofu Hou Ingler, W. Adiga, N. Shibin Zhang Wenhui Du Xinmin Cao Xunming Deng
Copyright Year	2010
Description	Author affiliation: Dept of Physics and Astronomy, University of Toledo, 2801 W. Bancroft St., OH 43606, USA (Qi Hua Fan; Xianbo Liao; Changyong Chen; Xianbi Xiang; Guofu Hou; Ingler, W.; Adiga, N.; Xunming Deng) \|\| Xunlight Corporation, 3145 Nebraska Avenue, Toledo, OH 43607, USA (Shibin Zhang; Wenhui Du; Xinmin Cao)
Abstract	This paper reports numerical modeling and experimental investigation of a-Si/a-SiGe tandem junction solar cells, based on a field-aided collection model. The performances of the composed a-Si/a-SiGe tandem cells could be predicted from the numerical modeling and experimental photovoltaic parameters of the component cells. An optimized choice for the tandem cells has been proposed by the aid of numerical simulation and verified by experimental results for the cases of a fixed a-Si top cell or a fixed a-SiGe bottom cell, respectively. It is found that 1) the highest efficiency (∼13%) of the tandem cells can be achieved with a certain mismatch in J between the top and bottom cells; 2) a small amount of Ge can be incorporated into a-Si based top cells to obtain an optimized current match with the bottom cell; 3) the J of the simulated tandem solar cells is always a little greater, rather than exactly equal to the limiting J of the component cells.
Starting Page	001540
Ending Page	001544
File Size	607592
Page Count	5
File Format	PDF
ISBN	9781424458905
ISSN	01608371
e-ISBN	9781424458929
DOI	10.1109/PVSC.2010.5617031
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-06-20
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Photovoltaic cells Photovoltaic systems Junctions Silicon germanium Fluid flow Limiting
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Control and Systems Engineering Electrical and Electronic Engineering

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