Cadmium sulfide/copper sulfide heterojunction cell research. Technical progress report, February 26-May 31, 1979
All vacuum deposition process Au/Cu/sub 2/S/Cd/sub 1-x/Zn/sub x/S/Nb photovoltaic cells have been fabricated by sequentially sputtering (1) Nb in Ar, (2) Cd/sub 1-x/Zn/sub x/, and then (3) Cu in H/sub 2/S and Ar gas mixtures, and finally, in a separate operation, (4) Au in Ar. Photovoltaic response of as-deposited junctions (i.e., without subsequent heat treatment) is obtained with appropriate deposition parameters. Resistivity of CdS or Cd/sub 0/ /sub 9/Zn/sub 0/ /sub 1/S films is controlled by sputtering from In-doped metal cathodes. Junction characteristics are strongly influenced by deep trap levels on the Cd/sub 1-x/Zn/sub x/S side of the heterojunction. A trap level at E/sub t/ approx. = 0.37 eV below the conduction band edge has been identified in sputter deposited CdS by admittance spectroscopy.
- Research Organization:
- Lockheed Missiles and Space Co., Palo Alto, CA (USA). Lockheed Palo Alto Research Lab.
- OSTI ID:
- 5598845
- Report Number(s):
- DSE-1459-T1; LMSC-D-676741
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
14 SOLAR ENERGY
140501* -- Solar Energy Conversion-- Photovoltaic Conversion
36 MATERIALS SCIENCE
360601 -- Other Materials-- Preparation & Manufacture
CADMIUM COMPOUNDS
CADMIUM SULFIDE SOLAR CELLS
CADMIUM SULFIDES
CHALCOGENIDES
COPPER COMPOUNDS
COPPER SULFIDES
DATA
DATA FORMS
DEPOSITION
DIRECT ENERGY CONVERTERS
EFFICIENCY
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ELEMENTS
ENERGY GAP
EXPERIMENTAL DATA
FABRICATION
GOLD
GRAPHS
INFORMATION
INORGANIC PHOSPHORS
JUNCTIONS
METALS
NIOBIUM
NUMERICAL DATA
PERFORMANCE
PHOSPHORS
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
PHYSICAL PROPERTIES
REFRACTORY METALS
SEMICONDUCTOR JUNCTIONS
SOLAR CELLS
SPUTTERING
SULFIDES
SULFUR COMPOUNDS
SURFACE COATING
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS
TRAPS
VACUUM COATING
ZINC COMPOUNDS
ZINC SULFIDES
140501* -- Solar Energy Conversion-- Photovoltaic Conversion
36 MATERIALS SCIENCE
360601 -- Other Materials-- Preparation & Manufacture
CADMIUM COMPOUNDS
CADMIUM SULFIDE SOLAR CELLS
CADMIUM SULFIDES
CHALCOGENIDES
COPPER COMPOUNDS
COPPER SULFIDES
DATA
DATA FORMS
DEPOSITION
DIRECT ENERGY CONVERTERS
EFFICIENCY
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ELEMENTS
ENERGY GAP
EXPERIMENTAL DATA
FABRICATION
GOLD
GRAPHS
INFORMATION
INORGANIC PHOSPHORS
JUNCTIONS
METALS
NIOBIUM
NUMERICAL DATA
PERFORMANCE
PHOSPHORS
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
PHYSICAL PROPERTIES
REFRACTORY METALS
SEMICONDUCTOR JUNCTIONS
SOLAR CELLS
SPUTTERING
SULFIDES
SULFUR COMPOUNDS
SURFACE COATING
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS
TRAPS
VACUUM COATING
ZINC COMPOUNDS
ZINC SULFIDES