Method of forming solar cells by grid contact isolation

Details Method of forming solar cells by grid contact isolation Method of forming solar cells by grid contact isolation

1980-07-18

1982-03-16

Hoffman, James R.

Coating processes

Electrical product produced

Photoelectric

427 74, H01L 3534, H01L 3104

Patent

active

043201547

ABSTRACT:
A solar cell structure is produced by a method comprising baking the solar cell, containing a gridded top layer of cuprous sulfide formed on a base of cadmium sulfide, for 20 minutes to 10 hours, to produce a copper doped CdS electrically insulating region in the cadmium sulfide base near the interface of the cuprous sulfide and the cadmium sulfide; removing the cuprous sulfide, and the copper doped CdS insulating region not covered by the grid, to provide a bare cadmium sulfide areas; and then forming a cuprous sulfide layer on the exposed areas not covered by the grid.

REFERENCES:
patent: 3480473 (1969-11-01), Tanos
patent: 3975211 (1976-08-01), Shirland
patent: 4167805 (1979-09-01), Castel

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