IMEC obtains record conversion efficiency of 24.7% for GaAs solar cells on Ge substrate

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Performance characterization of IMECs GaAs cell measured by NREL.
Performance characterization of IMEC’s GaAs cell, measured by NREL.

IMEC has realized a single-junction GaAs solar cell on a Ge substrate with a record conversion efficiency of 24.7%. The efficiency was measured and confirmed by NREL (National Renewable Energy Laboratory, US). GaAs solar cells are used in satellite solar panels and earth-based solar concentrators.


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