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Proceedings Paper

Progress In Indium Phosphide Solar Cell Research
Author(s): I. Weinberg; D. J. Brinker; C. K. Swartz; R. E. Hart
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Paper Abstract

Following a short history of the previous terrestrial program, progress is reviewed, emphasizing the use of InP solar cells in space. State-of-the-art cells have been processed by open and closed tube diffusion, OMCVD and ion-implantation and DC magnetron sputtering. Air mass zero total area efficiencies near 19% were achieved and computer modelling studies indicate that efficiencies over 21% are feasible. Radiation effects studies in both the laboratory and space are described and a comparision made between the radiation resistance of InP, GaAs and Si. Computer modelling studies are described emphasizing the behavior of InP concentrator cells at high concentration and elevated temperature with applica-tion to both the Cassegranian and SLATS concentrator systems. Pro-duction cells are discussed including their intended use to power a spacecraft scheduled for launch in 1990. Several potentially fruit-ful areas are suggested for future research.

Paper Details

Date Published: 28 November 1989
PDF: 11 pages
Proc. SPIE 1144, 1st Intl Conf on Indium Phosphide and Related Materials for Advanced Electronic and Optical Devices, (28 November 1989); doi: 10.1117/12.962032
Show Author Affiliations
I. Weinberg, NASA Lewis Research Center (United States)
D. J. Brinker, NASA Lewis Research Center (United States)
C. K. Swartz, NASA Lewis Research Center (United States)
R. E. Hart, NASA Lewis Research Center (United States)


Published in SPIE Proceedings Vol. 1144:
1st Intl Conf on Indium Phosphide and Related Materials for Advanced Electronic and Optical Devices

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