Development of copper sulfide/cadmium sulfide thin-film solar cells
Unencapsulated thin-film solar cells of the Cu/sub 2/S/CdS type have been aged in controlled flowing-gas ambients to characterize changes in their photovoltaic properties. Severe degradation occurring in wet O/sub 2/ ambients at room temperature probably accounts for the large short-circuit current losses reported earlier. Limited loss (<15% of initial values) in J/sub sc/ occurs at RT in dry oxygen. No loss can be attributed to moisture in Ar or N/sub 2/ ambients for exposure times greater than approx. 2 hrs. Direct measurements of optical absorption in the front Cu/sub 2/S layer would be facilitated by an integral CdS/Cu/sub 2/S detector on the back surface. Several techniques for making such a detector were successfully demonstrated.
- Research Organization:
- Westinghouse Research and Development Center, Pittsburgh, PA (USA)
- DOE Contract Number:
- AC02-77CH00178
- OSTI ID:
- 5485396
- Report Number(s):
- SERI/PR-8143-1-T6; ON: DE82009398
- Country of Publication:
- United States
- Language:
- English
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Development of copper sulfide/cadmium sulfide thin-film solar cells
Cadmium sulfide/copper sulfide heterojunction cell research by sputter deposition. Final report, September 2, 1980-November 30, 1981
Related Subjects
CADMIUM SULFIDE SOLAR CELLS
PERFORMANCE TESTING
ABSORPTION
ARGON
CONTROLLED ATMOSPHERES
COPPER SULFIDES
EFFICIENCY
ELECTRIC CURRENTS
FABRICATION
FILL FACTORS
FILMS
MEDIUM TEMPERATURE
NITROGEN
OXYGEN
STABILITY
WATER VAPOR
ATMOSPHERES
CHALCOGENIDES
COPPER COMPOUNDS
CURRENTS
DIRECT ENERGY CONVERTERS
ELEMENTS
EQUIPMENT
FLUIDS
GASES
NONMETALS
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
RARE GASES
SOLAR CELLS
SOLAR EQUIPMENT
SULFIDES
SULFUR COMPOUNDS
TESTING
TRANSITION ELEMENT COMPOUNDS
VAPORS
140501* - Solar Energy Conversion- Photovoltaic Conversion