NASA NTRS · 19870016986
Heterostructure solar cells
Abstract
The performance of gallium arsenide solar cells grown on Ge substrates is discussed. In some cases the substrate was thinned to reduce overall cell weight with good ruggedness. The conversion efficiency of 2 by 2 cm cells under AMO reached 17.1 percent with a cell thickness of 6 mils. The work described forms the basis for future cascade cell structures, where similar interconnecting problems between the top cell and the bottom cell must be solved. Applications of the GaAs/Ge solar cell in space and the expected payoffs are discussed.
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Chang, K. I., Yeh, Y. C. M., Iles, P. A., Morris, R. K.. 1987-06-01. Heterostructure solar cells. https://ntrs.nasa.gov/citations/19870016986
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