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Effect of solar-cell junction geometry on open-circuit voltageSimple analytical models have been found that adequately describe the voltage behavior of both the stripe junction and dot junction grating cells as a function of junction area. While the voltage in the former case is found to be insensitive to junction area reduction, significant voltage increases are shown to be possible for the dot junction cell. With regard to cells in which the junction area has been increased in a quest for better performance, it was found that (1) texturation does not affect the average saturation current density J0, indicating that the texturation process is equivalent to a simple extension of junction area by a factor of square root of 3 and (2) the vertical junction cell geometry produces a sizable decrease in J0 that, unfortunately, is more than offset by the effects of attendant areal increases.
Document ID
19850045929
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Weizer, V. G.
(NASA Lewis Research Center Cleveland, OH, United States)
Godlewski, M. P.
(NASA Lewis Research Center Cleveland, OH, United States)
Date Acquired
August 12, 2013
Publication Date
March 15, 1985
Publication Information
Publication: Journal of Applied Physics
Volume: 57
ISSN: 0021-8979
Subject Category
Energy Production And Conversion
Accession Number
85A28080
Distribution Limits
Public
Copyright
Other

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