Four-terminal III-V solar cell with 32.57% efficiency

Scientists at the US National Renewable Energy Laboratory have simulated a III-V solar cell by stacking gallium arsenide films onto interdigitated back contact silicon solar cells with a glass interlayer. The scientists have already done some initial mini-module integration work, but significant size scaling will ultimately be needed to reach commercialization. The cell currently has an active area of 1 cm2.A group of researchers at the US Department of Energy's National Renewable Energy Laboratory (NREL) has simulated a four-terminal tandem III-V solar cell by stacking gallium arsenide (GaAs) ...

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