Process for thin film deposition of metal and mixed metal chalco

Details Process for thin film deposition of metal and mixed metal chalco Process for thin film deposition of metal and mixed metal chalco

1979-04-19

1980-12-30

Smith, John D.

Coating processes

Electrical product produced

Photoelectric

29572, 427 74, 427 87, 427110, 427226, 427314, 427343, 427160, 427421, 427427, H01L 3118

Patent

active

042423740

ABSTRACT:
A low cost chemical spray deposition of metal and mixed metal chalcogenides is accomplished by spray depositing an oxide film from a mixture of a salt of the metal in solution with a water soluble hydrocarbon and water solvent. This oxide film is subjected to a heat treatment in the presence of a chalcogenide gas to induce an ion exchange process transforming the metal oxide or mixed metal oxide into the chalcogenide films of the present invention.
The deposition process is used to provide efficient selective absorbing surfaces for a solar thermal energy converter. The process may further be employed to produce a thin film photovoltaic device for converting light energy into electricity.

REFERENCES:
patent: 3081200 (1963-03-01), Tompkins
patent: 3451845 (1969-06-01), Schuler
patent: 3657006 (1972-04-01), Fisher et al.
patent: 3840389 (1974-10-01), Kobylinski
patent: 3920860 (1975-11-01), Freller
patent: 3984591 (1976-10-01), Plumat et al.
patent: 4095004 (1978-06-01), Fraas et al.
patent: 4095006 (1978-06-01), Jordan et al.
The Condensed Chemical Dictionary, 8th ed., Van Nostrand Reinhold Co., p. 882, .COPYRGT.1971.
Sathaye et al., "Studies on Thin Films of Cadmium Sulfide Prepared by a Chemical Deposition Method," Thin Solid Films, 37, (1976), pp. 15-23.
Hottel et al. "Properties of a Copper Oxide-Aluminum Selective Black Surface Absorber of Solar Energy" Solar Energy, 3, No. 3, pp. 10-15 (1959).

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