Batteries: thermoelectric and photoelectric – Photoelectric – Panel or array
Patent
1990-11-27
1992-03-31
Weisstuch, Aaron
Batteries: thermoelectric and photoelectric
Photoelectric
Panel or array
136255, 136256, 136259, 437 2, 437 4, 437 5, 357 15, 357 20, 357 30, H01L 3106, H01L 3118
Patent
active
051004780
ABSTRACT:
A solar cell includes a semiconductor substrate having a plurality of recesses at one surface leaving a plurality of mutually isolated areas of the substrate exposed at that surface, an electrically insulating material filling the recesses, a semiconductor film disposed on the substrate and the electrically insulating material forming a plurality of mutually isolated rectifying junctions with the substrate, one electrode in electrical contact with the semiconductor film at a light incident surface of the solar cell and another electrode in electrical contact with the substrate. The solar cell is made by forming the plurality of recesses, depositing an electrically insulating material on the substrate and in the recesses, removing a portion of the electrically insulating material to expose the substrate at a plurality of mutually isolated locations, depositing the semiconductor film on the electrically insulating material and the substrate, and depositing the electrodes.
REFERENCES:
patent: 3310439 (1967-03-01), Seney
patent: 4239553 (1980-12-01), Barnett et al.
patent: 4406913 (1983-09-01), Weyrich
Sinton et al., "An Optimization . . . Solar Cells", 19th IEEE Photovoltaic Specialists Conference, 1987, pp. 1201-1208.
Reis et al., "Recrystallized Silicon . . . Solar Cells", 19th IEEE Photovoltaic Specialists Conference, 1987, pp. 1405-1408.
Mitsubishi Denki & Kabushiki Kaisha
Weisstuch Aaron
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