Method for producing multi-layer, thin-film, flexible silicon alloy photovoltaic cells
Patent
·
OSTI ID:5295861
The method is described for producing a semiconductor silicon alloy substrate for a photovoltaic cell, comprising the steps of: providing a ribbon of the silicon alloy in a molten state, passing the molten silicon alloy ribbon between a first pair of opposed rollers in a first rolling station, cooling the first pair of rollers for rapidly cooling the molten ribbon to its semi-solidus condition, then passing the ribbon between other pairs of opposed rollers in other rolling stations, keeping the ribbon temperature in the range from 740/sup 0/C to 1130/sup 0/C in the other rolling stations for promoting crystal growth in the ribbon while being rolled, suddenly quenching the hot rolled ribbon for stopping further crystal growth.
- Assignee:
- NOV; EDB-86-163674; NOV-85-020272
- Patent Number(s):
- US 4604791
- OSTI ID:
- 5295861
- 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
360101 -- Metals & Alloys-- Preparation & Fabrication
360102 -- Metals & Alloys-- Structure & Phase Studies
ALLOYS
CERAMICS
CHEMICAL COMPOSITION
COOLING
CRYSTAL GROWTH
CRYSTAL GROWTH METHODS
DIRECT ENERGY CONVERTERS
EQUIPMENT
FABRICATION
FILMS
FLEXIBILITY
HOT WORKING
LAYERS
MATERIALS WORKING
MECHANICAL PROPERTIES
METALLIC GLASSES
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
QUANTITY RATIO
QUENCHING
RIBBON-TO-RIBBON METHOD
ROLLING
SILICON ALLOYS
SILICON SOLAR CELLS
SOLAR CELLS
SOLAR EQUIPMENT
SUBSTRATES
TENSILE PROPERTIES
THIN FILMS
VERY HIGH TEMPERATURE
140501* -- Solar Energy Conversion-- Photovoltaic Conversion
36 MATERIALS SCIENCE
360101 -- Metals & Alloys-- Preparation & Fabrication
360102 -- Metals & Alloys-- Structure & Phase Studies
ALLOYS
CERAMICS
CHEMICAL COMPOSITION
COOLING
CRYSTAL GROWTH
CRYSTAL GROWTH METHODS
DIRECT ENERGY CONVERTERS
EQUIPMENT
FABRICATION
FILMS
FLEXIBILITY
HOT WORKING
LAYERS
MATERIALS WORKING
MECHANICAL PROPERTIES
METALLIC GLASSES
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
QUANTITY RATIO
QUENCHING
RIBBON-TO-RIBBON METHOD
ROLLING
SILICON ALLOYS
SILICON SOLAR CELLS
SOLAR CELLS
SOLAR EQUIPMENT
SUBSTRATES
TENSILE PROPERTIES
THIN FILMS
VERY HIGH TEMPERATURE