Batteries: thermoelectric and photoelectric – Photoelectric – Cells
Reexamination Certificate
2006-03-28
2006-03-28
Diamond, Alan (Department: 1753)
Batteries: thermoelectric and photoelectric
Photoelectric
Cells
C136S262000, C136S264000, C136S265000, C438S095000
Reexamination Certificate
active
07019208
ABSTRACT:
Sulfur is used to improve the performance of CIGS devices prepared by the evaporation of a single source ZIS type compound to form a buffer layer on the CIGS. The sulfur may be evaporated, or contained in the ZIS type material, or both. Vacuum evaporation apparatus of many types useful in the practice of the invention are known in the art. Other methods of delivery, such as sputtering, or application of a thiourea solution, may be substituted for evaporation.
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Barton Jeffrey
Energy Photovoltaics
McCarter & English LLP
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