Batteries: thermoelectric and photoelectric – Photoelectric – Cells
Patent
1999-07-02
2000-11-14
Chapman, Mark
Batteries: thermoelectric and photoelectric
Photoelectric
Cells
136262, 257 21, 257 22, H01L 3100
Patent
active
061472964
ABSTRACT:
A two-terminal tandem solar cell is provided. The inclusion of thin (few nm-thick) narrow band-gap InGaAs quantum wells in the intrinsic (i) region of the conventional p-i-n GaAs solar cell extends the photo-absorption of the conventional GaInP/GaAs tandem cell toward the infrared. Beginning-of-Life efficiencies in excess of 30% are predicted. Modeling data indicate end-of-life efficiency of these cells will exceed 25% AM0.
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Chapman Mark
University of Houston
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