Back barrier heteroface AlGaAs solar cell
Patent
·
OSTI ID:6638314
This is an improvement to the AlGaAs/GaAs heteroface solar cell in that the photovoltaically active region is composed of AlGaAs of low Al composition (approximately 2% to 10%) and is bounded by the usual high Al content (approximately 90% or more)AlGaAs window on the cell top and a novel high Al content (more than about 90%) back barrier. The back barrier serves to significantly reduce minority carrier losses in the rear region by blocking the carriers from reaching the cell substrate region. The result is that both light generated current and cell voltage performance will be improved.
- Research Organization:
- Department of the Air Force, Washington, DC (USA)
- Assignee:
- EDB-83-041217
- Patent Number(s):
- AD-D-009707/1
- OSTI ID:
- 6638314
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
14 SOLAR ENERGY
140501* -- Solar Energy Conversion-- Photovoltaic Conversion
ALUMINIUM ARSENIDES
ALUMINIUM COMPOUNDS
ARSENIC COMPOUNDS
ARSENIDES
CHARGE CARRIERS
DESIGN
DIRECT ENERGY CONVERTERS
EQUIPMENT
FABRICATION
GALLIUM ARSENIDE SOLAR CELLS
HETEROJUNCTIONS
INVENTIONS
JUNCTIONS
LOSSES
MANUFACTURING
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
PNICTIDES
SEMICONDUCTOR DEVICES
SEMICONDUCTOR JUNCTIONS
SOLAR CELLS
SOLAR EQUIPMENT
SUBSTRATES
140501* -- Solar Energy Conversion-- Photovoltaic Conversion
ALUMINIUM ARSENIDES
ALUMINIUM COMPOUNDS
ARSENIC COMPOUNDS
ARSENIDES
CHARGE CARRIERS
DESIGN
DIRECT ENERGY CONVERTERS
EQUIPMENT
FABRICATION
GALLIUM ARSENIDE SOLAR CELLS
HETEROJUNCTIONS
INVENTIONS
JUNCTIONS
LOSSES
MANUFACTURING
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
PNICTIDES
SEMICONDUCTOR DEVICES
SEMICONDUCTOR JUNCTIONS
SOLAR CELLS
SOLAR EQUIPMENT
SUBSTRATES