Fraunhofer ISE claims 25.9% efficiency for III-V tandem solar cell: The new results mark an improvement on the institute's previous 24.3% efficiency record. The III-V tandem solar cell is directly grown on silicon. https://t.co/I7dVoSDzDf #solarenergy #solarpv #solar,
— pv magazine (@pvmagazine) August 11, 2020 09:08