Methods for improving solar cell open circuit voltage
Patent
·
OSTI ID:5516492
A method for producing a solar cell having an increased open circuit voltage is described. A layer of cadmium sulfide (CdS) produced by a chemical spray technique and having residual chlorides is exposed to a flow of hydrogen sulfide (H/sub 2/S) heated to a temperature of 400/sup 0/ to 600/sup 0/ C. The residual chlorides are reduced and any remaining CdCl/sub 2/ is converted to CdS. A heterojunction is formed over the CdS and electrodes are formed. Application of chromium as the positive electrode results in a further increase in the open circuit voltage available from the H/sub 2/S-treated solar cell. 8 claims.
- Assignee:
- Photon Power Inc.
- Patent Number(s):
- US 4178395
- OSTI ID:
- 5516492
- 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
DEPOSITION
DIRECT ENERGY CONVERTERS
ELECTRIC POTENTIAL
ELECTRICAL PROPERTIES
EQUIPMENT
FABRICATION
HYDROGEN COMPOUNDS
HYDROGEN SULFIDES
INORGANIC PHOSPHORS
PERFORMANCE
PHOSPHORS
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
PHYSICAL PROPERTIES
SOLAR CELLS
SOLAR EQUIPMENT
SPRAY COATING
SUBSTRATES
SULFIDES
SULFUR COMPOUNDS
SURFACE COATING
TRANSITION ELEMENT COMPOUNDS
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
DEPOSITION
DIRECT ENERGY CONVERTERS
ELECTRIC POTENTIAL
ELECTRICAL PROPERTIES
EQUIPMENT
FABRICATION
HYDROGEN COMPOUNDS
HYDROGEN SULFIDES
INORGANIC PHOSPHORS
PERFORMANCE
PHOSPHORS
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
PHYSICAL PROPERTIES
SOLAR CELLS
SOLAR EQUIPMENT
SPRAY COATING
SUBSTRATES
SULFIDES
SULFUR COMPOUNDS
SURFACE COATING
TRANSITION ELEMENT COMPOUNDS