Degradation of Cu/SUB x/S/CdS in hot, moist air: experiment and theory
Conference
·
· Conf. Rec. IEEE Photovoltaic Spec. Conf.; (United States)
OSTI ID:5391136
A polycrystalline, thin-film Cu/SUB x/S/CdS solar cell was treated in air saturated with water vapor at temperatures between 27/sup 0/C and 67/sup 0/C for up to six and one-half hours. The short-circuit current decreased progressively from 11.7 to 1.02 mA/cm/sup 2/. Modeling of the measured quantum yield indicates that the degradation could be explained by two effects. The Cu/SUB x/S minority carrier electron diffusion length decreased from 0.23 to 0.02 micron, and the Cu/SUB x/S band gap increased from 1.16 to 1.38 eV.
- Research Organization:
- Chevron Research Company, Richmond, CA
- OSTI ID:
- 5391136
- Report Number(s):
- CONF-820906-
- Conference Information:
- Journal Name: Conf. Rec. IEEE Photovoltaic Spec. Conf.; (United States)
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
14 SOLAR ENERGY
140501* -- Solar Energy Conversion-- Photovoltaic Conversion
AIR
CADMIUM SULFIDE SOLAR CELLS
CHARGE CARRIERS
COPPER SULFIDE SOLAR CELLS
CRYSTALS
CURRENTS
DIFFUSION LENGTH
DIMENSIONS
DIRECT ENERGY CONVERTERS
EFFICIENCY
ELECTRIC CURRENTS
ELECTRICAL PROPERTIES
ENERGY GAP
ENERGY LOSSES
EQUIPMENT
FILMS
FLUIDS
GASES
HUMIDITY
LENGTH
LOSSES
PERFORMANCE TESTING
PHOTOCURRENTS
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
PHYSICAL PROPERTIES
POLYCRYSTALS
POWER LOSSES
QUANTUM EFFICIENCY
SOLAR CELLS
SOLAR EQUIPMENT
TESTING
THIN FILMS
WEATHERING
140501* -- Solar Energy Conversion-- Photovoltaic Conversion
AIR
CADMIUM SULFIDE SOLAR CELLS
CHARGE CARRIERS
COPPER SULFIDE SOLAR CELLS
CRYSTALS
CURRENTS
DIFFUSION LENGTH
DIMENSIONS
DIRECT ENERGY CONVERTERS
EFFICIENCY
ELECTRIC CURRENTS
ELECTRICAL PROPERTIES
ENERGY GAP
ENERGY LOSSES
EQUIPMENT
FILMS
FLUIDS
GASES
HUMIDITY
LENGTH
LOSSES
PERFORMANCE TESTING
PHOTOCURRENTS
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
PHYSICAL PROPERTIES
POLYCRYSTALS
POWER LOSSES
QUANTUM EFFICIENCY
SOLAR CELLS
SOLAR EQUIPMENT
TESTING
THIN FILMS
WEATHERING