Batteries: thermoelectric and photoelectric – Photoelectric – Cells
Patent
1987-05-29
1988-11-01
Weisstuch, Aaron
Batteries: thermoelectric and photoelectric
Photoelectric
Cells
136256, 136261, 136262, 437 4, 437 5, 437109, 437233, 437234, 437946, 437967, 357 30, 357 59, H01L 3106, H01L 3118
Patent
active
047817666
ABSTRACT:
A thin-film solar cell is made up of semiconductor layers formed on an aluminum silicon eutectic alloy substrate. The substrate includes an aluminum oxide insulator containing electrically conducting silicon nucleation sites which is interposed between the electrical contact of the substrate and the adjacent semiconductor. Grain boundaries and voids terminate on the insulator. The solar cell is fabricated by oxidizing the aluminum-silicon substrate to form a layer of aluminum oxide with unactivated silicon site material dispersed therein and activating the silicon nucleation sites during growth of the semiconductor layers.
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Barnett Allen M.
Davidson Alexander P.
Edington Jeff W.
Hall Robert B.
Tiller William A.
Astrosystems, Inc.
Weisstuch Aaron
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