Large-Area, 8-cm2 GaAs Solar Cells Fabricated from MBE Material

Michael R. Melloch, E. S. Harmon, Keith A. Emery

Research output: Contribution to journalArticlepeer-review

11 Scopus Citations


A GaAs solar cell of area 2×4 cm2 was fabricated from a film grown by molecular beam epitaxy (MBE) on a 5.08-cm-diameter GaAs substrate. This is the largest device ever fabricated from MBE material. The cell demonstrated an efficiency of 21.7% under one-sun AM1.5 conditions at 25°C and 18.8% under one-sun AMO conditions at 28°C.

Original languageAmerican English
Pages (from-to)137-139
Number of pages3
JournalIEEE Electron Device Letters
Issue number3
StatePublished - 1991

NREL Publication Number

  • ACNR/JA-213-12467


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