Electrodeposition of cadmium-selenium semiconducting photoelectr

Details Electrodeposition of cadmium-selenium semiconducting photoelectr Electrodeposition of cadmium-selenium semiconducting photoelectr

1980-01-21

1981-03-03

Tung, T.

Chemistry: electrical and wave energy

Processes and products

204 56R, 204 86, C25D 908, C25D 302

Patent

active

042539196

ABSTRACT:
A process for electrodepositing cadmium and selenium onto a material suitable for use as a photoelectrode in a photovoltaic cell. The plating electrolyte, in one embodiment, consists essentially of an acid citrate bath including hydrated citric acid, hydrated sodium citrate, hydrated cadmium chloride and selenious acid. The deposit may be subsequently heat treated.

REFERENCES:
patent: 3419484 (1968-12-01), Ammerman
patent: 3573177 (1971-03-01), McNeill
patent: 4127449 (1978-11-01), Heller et al.
patent: 4192721 (1980-03-01), Fawcett et al.
M. P. R. Panicker et al, "Cathodic Deposition of CDTE from Aqueous Electrolytes," J. Electrochem. Soc., vol. 125 (Apr. 1978), pp. 566-572.
F. A. Kroger, "Cathodic Deposition and Characterization of Metallic or Semiconducting Binary Alloys or Compounds," J. Electrochem. Soc., vol. 125 (Dec. 1978), pp. 2028-2034.
"Photoelectrochemical Energy Conversion and Storage . . . ," Nature, vol. 261, Jun. 3, 1976, pp. 403-404.
"Electrochemical Deposition of a Selenium Alloy," Chemical Abstracts, vol. 75 (1971), #147165q.
"Simultaneous Electrodeposition of Selenium and Cadmium," Chemical Abstracts, vol. 72 (1970), #85584c.
"Electrodeposition of Selenium and Tellurium from Acetic Acid Electrolytes," Chemical Abstracts, vol. 72 (1970), #27642j.

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