Cadmium sulphide solar cells

Details Cadmium sulphide solar cells Cadmium sulphide solar cells

H - Electricity

01

L

345/23

H01L 31/0256 (2006.01) H01L 31/0224 (2006.01) H01L 31/0336 (2006.01)

Patent

CA 1194970

ABSTRACT OF THE DISCLOSURE CADMIUM SULPHIDE SOLAR CELLS The invention relates to the manufacture of cadmium sulphide solar cells. A cell is formed of a glass substrate , a front contact made, for example, of tin oxide, a cadmium sulphide layer and a copper sulphide layer . The junction between the layers and is photovoltaic. In order to form a contact on the copper sulphide layer, the invention proposes vapour depositing a mixed layer of copper and copper oxide onto the sulphide layer. The invention also describes a method of heat treatment following the formation of the rear contact in order to optimise the electrical performance of the cell.

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