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Improved performance design of gallium arsenide solar cells for space (1984)

Barnett, A. M. ; Parekh, R. H.

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Publication Date: 2011-08-19

Description: An improved design, shallow junction heteroface, n-p, gallium arsenide solar cell for space applications is reported, with a predicted AM0 efficiency in the 21.9 to 23.0 percent range. The optimized n-p structure, while slightly more efficient, has the added advantage of being less susceptible to radiation-induced degradation by virtue of this thin top junction layer. Detailed spectral response curves and an analysis of the loss mechanisms are reported. The details of the design are readily measurable. The optimized designs were reached by quantifying the dominant loss mechanisms and then minimizing them by using computer simulations.

Keywords: SPACECRAFT PROPULSION AND POWER

Type: IEEE Transactions on Electron Devices (ISSN 0018-9383); ED-31; 689-695

Format: text

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