Current and lattice matched tandem solar cell

Details Current and lattice matched tandem solar cell Current and lattice matched tandem solar cell

1985-10-22

1987-05-19

Weisstuch, Aaron

Batteries: thermoelectric and photoelectric

Photoelectric

Panel or array

29572, 148175, H01L 3118

Patent

active

046670599

ABSTRACT:
A multijunction (cascade) tandem photovoltaic solar cell device is fabricated of a Ga.sub.x In.sub.1-x P (0.505.ltoreq.X.ltoreq.0.515) top cell semiconductor lattice matched to a GaAs bottom cell semiconductor at a low-resistance heterojunction, preferably a p+
+ heterojunction between the cells. The top and bottom cells are both lattice matched and current matched for high efficiency solar radiation conversion to electrical energy.

REFERENCES:
S. Bedair et al, IEEE Trans. Electron Devices, vol. ED-27, pp. 829-830, (1980).

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