Batteries: thermoelectric and photoelectric – Photoelectric – Cells
Patent
1994-03-29
1995-10-10
Weisstuch, Aaron
Batteries: thermoelectric and photoelectric
Photoelectric
Cells
257 49, 257 75, 437 4, 437173, 437174, 437 19, 437967, H01L 3104, H01L 310368, H01L 3118
Patent
active
054567637
ABSTRACT:
A process for producing multi-terminal devices such as solar cells wherein a pulsed high energy source is used to melt and crystallize amorphous silicon deposited on a substrate which is intolerant to high processing temperatures, whereby to amorphous silicon is converted into a microcrystalline/polycrystalline phase. Dopant and hydrogenization can be added during the fabrication process which provides for fabrication of extremely planar, ultra shallow contacts which results in reduction of non-current collecting contact volume. The use of the pulsed energy beams results in the ability to fabricate high efficiency microcrystalline/polycrystalline solar cells on the so-called low-temperature, inexpensive plastic substrates which are intolerant to high processing temperatures.
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Kaschmitter James L.
Sigmon Thomas W.
Carnahan L. E.
Sartorio Henry P.
The Regents of the University of California
Weisstuch Aaron
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