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High efficiency GaAs solar cellsThe present status of the GaAlAs/GaAs heteroface solar cell program is reported. Studies have been concentrated on GaAlAs/GaAs heteroface solar cells; however, some research has been conducted on thin junction, diffused GaAs solar cells. Emphasis has been on obtaining high efficiency (18% to 20%) GaAs solar cells. Two problems that have limited the efficiency of GaAs solar cells are the high recombination velocity of carriers near the surface and the low minority carrier diffusion length in n-GaAs.
Document ID
19780005599
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Walker, G. H. (NASA Langley Research Center Hampton, VA, United States)
Conway, E. J. (NASA Langley Research Center Hampton, VA, United States)
Byvik, C. E. (NASA Langley Research Center Hampton, VA, United States)
Date Acquired
August 9, 2013
Publication Date
January 1, 1977
Publication Information
Publication: Solar Cell High Efficiency and Radiation Damage
Subject Category
Energy Production And Conversion
Accession Number
78N13542
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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