NDLI: Heteroepitaxial inp, and ultrathin, directly glassed, gaas 3-5 solar cells

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Heteroepitaxial inp, and ultrathin, directly glassed, gaas 3-5 solar cells

Content Provider	NASA Technical Reports Server (NTRS)
Author	Hardingham, C. M. Cross, T. A.
Copyright Year	1993
Description	The commercial application of Indium Phosphide solar cells in practical space missions is crucially dependent upon achieving a major cost reduction which could be offered by heteroepitaxy on cheaper, more rugged substrates. Furthermore, significant mass reduction, compatibility with mechanically stacked multijunction cells, and elimination of the current loss through glue discoloration, is possible in III-V solar cells by the development of ultrathin, directly glassed cells. The progress of a UK collaborative program to develop high efficiency, homojunction InP solar cells, grown by MOCVD on Si substrates, is described. Results of homoepitaxial cells (is greater than 17 percent 1 Sun AM0) are presented, together with progress in achieving low dislocation density heteroepitaxy. Also, progress in a UK program to develop ultrathin directly-glassed GaAs cells is described. Ultrathin (5 micron) GaAs cells, with 1 Sun AM0 efficiencies up to 19.1 percent, are presented, together with progress in achieving a direct (adhesive-less) bond between the cell and coverglass. Consequential development to, for example, cell grids, are also discussed.
File Size	295675
Page Count	7
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19940006934
Archival Resource Key	ark:/13960/t7tn24p60
Language	English
Publisher Date	1993-05-01
Access Restriction	Open
Subject Keyword	Solid-state Physics Solar Cells Gallium Arsenides Electron Irradiation Epitaxy Indium Phosphides Cost Reduction Metalorganic Chemical Vapor Deposition Silicon Homojunctions Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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