Cadmium sulphide solar cell
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United States of America Patent
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-
Jul 31, 1984
Grant Date -
N/A
app pub date -
Mar 7, 1983
filing date -
Mar 8, 1982
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to the manufacture of cadmium sulphide solar cells. A cell is formed of a glass substrate 10, a front contact 12 made, for example, of tin oxide, a cadmium sulphide layer 14 and a copper sulphide layer 16. the junction between the layers 14 and 16 is photovoltaic. In order to form a rear contact 18 on the copper sulphide layer, the invention proposes vapor 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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