Batteries: thermoelectric and photoelectric – Photoelectric – Panel or array
Patent
1988-06-07
1989-09-19
Weisstuch, Aaron
Batteries: thermoelectric and photoelectric
Photoelectric
Panel or array
357 30, 437 2, 437 5, H01L 3106, H01L 3118
Patent
active
048678015
ABSTRACT:
An ultra-high-efficiency, monolithic, heteroepitaxial solar cell having a high specific power is disclosed. The solar cell includes three photoactive regions connected in series by their structure as a substantially single crystal multilayer film. The three photoactive junctions are in tandem optically. The upper cell, having the highest bandgap, is exposed to the entire solar spectrum, wherein those wavelengths whose energy is less than the upper cell's bandgap are transmitted to the two underlying cells. The intermediate cell similarly filters the solar spectrum transmitted to the lower cell which has the lowest bandgap.
REFERENCES:
patent: Re31968 (1985-08-01), Mickelsen et al.
patent: 4523051 (1985-06-01), Mickelsen et al.
patent: 4547622 (1985-10-01), Fan et al.
patent: 4680422 (1987-07-01), Stanbery
patent: 4684761 (1987-08-01), Devaney
patent: 4703131 (1987-10-01), Dursch
patent: 4795501 (1989-01-01), Stanbery
"High-Efficiency Double-Heterostructure AlGaAs Solar Cells", by Gale et al., Conference Proceedings of the 18th IEEE Photovoltaic Specialists Conference, (IEEE New York 1985), pp. 296-299.
The Boeing Company
Weisstuch Aaron
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