Polycrystalline photovoltaic cell
Patent
·
OSTI ID:6539033
A photovoltaic cell is formed by combining a spray process, forming a crystalline layer containing cadmium and sulfur, and an evaporation process, depositing copper chloride for converting to Cu/sub x/S. The crystals containing cadmium and sulfur are heated in an atmosphere of cadmium and chlorides to obtain crystals having at least one dimension greater than 0.5 micron and a planar layer of Cu/sub x/S is formed on the large crystals. A layer of Cu/sub x/S having a thickness of 0.5-1.0 micron is obtained. Electrodes are formed from evaporated gold or chromium or a metallic paste including silver or copper. Zn/sub x/Cd/sub 1-x/S may be substituted for CdS through at least part of the crystalline layer for improved voc.
- Assignee:
- Photon Power Inc
- Patent Number(s):
- US 4362896
- OSTI ID:
- 6539033
- 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
CHROMIUM
COPPER COMPOUNDS
COPPER SULFIDES
CRYSTALS
DIRECT ENERGY CONVERTERS
ELEMENTS
EQUIPMENT
EVAPORATION
FABRICATION
GOLD
LAYERS
METALS
PHASE TRANSFORMATIONS
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
POLYCRYSTALS
SOLAR CELLS
SOLAR EQUIPMENT
SULFIDES
SULFUR COMPOUNDS
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS
140501* -- Solar Energy Conversion-- Photovoltaic Conversion
CADMIUM SULFIDE SOLAR CELLS
CHALCOGENIDES
CHROMIUM
COPPER COMPOUNDS
COPPER SULFIDES
CRYSTALS
DIRECT ENERGY CONVERTERS
ELEMENTS
EQUIPMENT
EVAPORATION
FABRICATION
GOLD
LAYERS
METALS
PHASE TRANSFORMATIONS
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
POLYCRYSTALS
SOLAR CELLS
SOLAR EQUIPMENT
SULFIDES
SULFUR COMPOUNDS
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS