Substrate for silicon solar cells

Patent · Tue Aug 10 00:00:00 EDT 1982

OSTI ID:6680545

Thomas, D E

A substrate is made for silicon solar cells by heating a sheet of large-grained silicon steel at a temperature of at least about 1300* C. In an atmosphere of hydrogen and tungsten hexafluo (Or hexachloride) at a partial pressure ratio of hydrogen to tungsten hexafluoride of about 3 to about 6 to deposit an epitaxial layer of tungsten on said sheet of silicon steel. Epitaxial silicon can then be deposited in a conventional manner on the layer of epitaxial tungsten.

• Assignee: Westinghouse Electric Corp
• Patent Number(s): US 4343963
• OSTI ID: 6680545
• Resource Relation: Patent File Date: Filed date 2 Mar 1979; Other Information: PAT-APPL-016766
• Country of Publication: United States
• Language: English

Related Subjects

14 SOLAR ENERGY
SILICON SOLAR CELLS
SUBSTRATES
CRYSTAL DOPING
DEPOSITION
EPITAXY
GRAIN SIZE
HEATING
HYDROGEN
P-N JUNCTIONS
SHEETS
SILICON ALLOYS
STEELS
TUNGSTEN CHLORIDES
TUNGSTEN FLUORIDES
VERY HIGH TEMPERATURE
ALLOYS
CHLORIDES
CHLORINE COMPOUNDS
CRYSTAL STRUCTURE
DIRECT ENERGY CONVERTERS
ELEMENTS
EQUIPMENT
FLUORIDES
FLUORINE COMPOUNDS
HALIDES
HALOGEN COMPOUNDS
IRON ALLOYS
IRON BASE ALLOYS
JUNCTIONS
MICROSTRUCTURE
NONMETALS
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
SEMICONDUCTOR JUNCTIONS
SIZE
SOLAR CELLS
SOLAR EQUIPMENT
TRANSITION ELEMENT COMPOUNDS
TUNGSTEN COMPOUNDS
140501* - Solar Energy Conversion- Photovoltaic Conversion