NDLI: Development of a 2.0 eV AlGaInP solar cell grown by OMVPE

Content Provider	IEEE Xplore Digital Library
Author	Perl, E.E. Simon, J. Geisz, J.F. Olavarria, W. Young, M. Duda, A. Dippo, P. Friedman, D.J. Steiner, M.A.
Copyright Year	2015
Description	Author affiliation: Nat. Renewable Energy Lab., Golden, CO, USA (Perl, E.E.; Simon, J.; Geisz, J.F.; Olavarria, W.; Young, M.; Duda, A.; Dippo, P.; Friedman, D.J.; Steiner, M.A.)
Abstract	AlGaInP solar cells with a bandgap (Eg) of ~2.0 eV are developed for use in next-generation multijunction photovoltaic devices. This material system is of great interest for both space and concentrator photovoltaics due to its high bandgap, which enables the development of high-efficiency five-junction and six-junction devices and is also useful for solar cells operated at elevated temperatures. In this work, we explore the conditions for the Organometallic Vapor Phase Epitaxy (OMVPE) growth of AlGaInP and study their effects on cell performance. A ~2.0 eV AlGaInP solar cell is demonstrated with an open circuit voltage $(V_{OC})$ of 1.59V, a bandgap-voltage offset $(W_{OC})$ of 420mV, a fill factor (FF) of 88.0%, and an efficiency of 14.8%. These AlGaInP cells have attained a similar FF, $W_{OC}$ and internal quantum efficiency (IQE) to the best upright GaInP cells grown in our lab to date.
Starting Page	1
Ending Page	6
File Size	4805852
Page Count	6
File Format	PDF
e-ISBN	9781479979448
DOI	10.1109/PVSC.2015.7356336
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-06-14
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Photonic band gap Photovoltaic cells Substrates Photovoltaic systems Temperature measurement Gallium arsenide solar energy III–V semiconductor materials photovoltaic cells semiconductor epitaxial layers
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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