Method of manufacturing a cadmium sulphide photo-voltaic device

Details Method of manufacturing a cadmium sulphide photo-voltaic device Method of manufacturing a cadmium sulphide photo-voltaic device

1981-12-09

1983-09-13

Rutledge, L. Dewayne

Metal working

Method of mechanical manufacture

Assembling or joining

29583, 29591, 136260, 357 30, 357 61, 427 74, H01L 21363, H01L 3106

Patent

active

044033982

ABSTRACT:
The invention relates to the manufacture of a cadmium sulphide photo-voltaic device. A substrate such as a glass is coated with successive layers which are made, in order, of tin oxide, cadmium sulphide, cuprous sulphide and copper to build up a photo-voltaic junction. In order to achieve a fast deposition rate of the cadmium sulphide while achieving a well ordered crystal structure the cadmium sulphide layer is deposited in two stages, the first involving spraying of a weak precursor solution and the second a substantially more concentrated solution to achieve at least a five times increase in the deposition rate. The invention also describes improved techniques for spraying and reducing the effects of the resistivity of the tin oxide first electrode.

REFERENCES:
patent: 4143235 (1979-03-01), Duisman

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