Cadmium sulfide-copper sulfide heterojunction cell research. Quarterly progress report, September 1, 1979-November 30, 1979
Development of the CdS/Cu/sub 2/S cell has focused on the planar junction design with an enhanced open circuit voltage. Various techniques have been tried in an attempt to improve the short circuit current. The maximum achieved is approx. 22 mA/cm/sup 2/ compared to approx. 25 mA/cm/sup 2/ for the traditional solution reaction cell. The highest efficiency achieved to data at open circuit voltages above 0.54 V is 8.26%. The conditions have been established for (CdZn)S deposition and composition to give open circuit voltages of 0.62 V. The influence of texturing on reflectivity has been established and some progress made in reducing the excessive intrusions previously noted in this material. The best efficiency achieved in actual sunlight testing was 8.04% at an open circuit voltage of 0.59 V. Further measurements on capacitance and photocapacitance are reported. Trial encapsulations using Electron Beam deposited glass and the results of attempts to deposit defect free coatings are described.
- Research Organization:
- Delaware Univ., Newark (USA). Inst. of Energy Conversion
- DOE Contract Number:
- AC02-77CH00178
- OSTI ID:
- 6510624
- Report Number(s):
- SERI/PR-8309-1-T1
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
14 SOLAR ENERGY
140501* -- Solar Energy Conversion-- Photovoltaic Conversion
CADMIUM SULFIDE SOLAR CELLS
CHALCOGENIDES
COPPER COMPOUNDS
COPPER SULFIDES
DESIGN
DIRECT ENERGY CONVERTERS
EFFICIENCY
ELECTRICAL PROPERTIES
ELECTRON MICROSCOPY
ENCAPSULATION
EQUIPMENT
ETCHING
FABRICATION
INORGANIC PHOSPHORS
MICROSCOPY
OPTICAL PROPERTIES
PHOSPHORS
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
PHYSICAL PROPERTIES
REFLECTIVITY
SCANNING ELECTRON MICROSCOPY
SOLAR CELLS
SOLAR EQUIPMENT
SULFIDES
SULFUR COMPOUNDS
SURFACE FINISHING
SURFACE PROPERTIES
TRANSITION ELEMENT COMPOUNDS
ZINC COMPOUNDS
ZINC SULFIDES
140501* -- Solar Energy Conversion-- Photovoltaic Conversion
CADMIUM SULFIDE SOLAR CELLS
CHALCOGENIDES
COPPER COMPOUNDS
COPPER SULFIDES
DESIGN
DIRECT ENERGY CONVERTERS
EFFICIENCY
ELECTRICAL PROPERTIES
ELECTRON MICROSCOPY
ENCAPSULATION
EQUIPMENT
ETCHING
FABRICATION
INORGANIC PHOSPHORS
MICROSCOPY
OPTICAL PROPERTIES
PHOSPHORS
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
PHYSICAL PROPERTIES
REFLECTIVITY
SCANNING ELECTRON MICROSCOPY
SOLAR CELLS
SOLAR EQUIPMENT
SULFIDES
SULFUR COMPOUNDS
SURFACE FINISHING
SURFACE PROPERTIES
TRANSITION ELEMENT COMPOUNDS
ZINC COMPOUNDS
ZINC SULFIDES