Single-junction solar cells with the optimum band gap for terres

Details Single-junction solar cells with the optimum band gap for terres Single-junction solar cells with the optimum band gap for terres

1993-05-12

1994-12-27

Weisstuch, Aaron

Batteries: thermoelectric and photoelectric

Photoelectric

Cells

257461, 257615, H01L 3106, H01L 310304

Patent

active

053761855

ABSTRACT:
A single-junction solar cell having the ideal band gap for terrestrial concentrator applications. Computer modeling studies of single-junction solar cells have shown that the presence of absorption bands in the direct spectrum has the effect of "pinning" the optimum band gap for a wide range of operating conditions at a value of 1.14.+-.0.02 eV. Efficiencies exceeding 30% may be possible at high concentration ratios for devices with the ideal band gap.

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