Flexible Electronics News

NREL, CSEM Set New Efficiency Record with Dual-Junction Solar Cell

Newly certified record conversion efficiency reaches 29.8%.

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By: DAVID SAVASTANO

Editor, Ink World Magazine

Scientists at the Energy Department’s National Renewable Energy Laboratory (NREL) and at the Swiss Center for Electronics and Microtechnology (CSEM) have jointly set a new world record for converting non-concentrated (1-sun) sunlight into electricity using a dual-junction III-V/Si solar cell. The newly certified record conversion efficiency of 29.8% was set using a top cell made of gallium indium phosphide developed by NREL, and a bottom cell made of crystalline silicon developed by CSEM usin...

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