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Thin film gallium arsenide solar cells

Conference · · Proc. - Electrochem. Soc.; (United States)
OSTI ID:6803624
; ; ; ;
Thin films of gallium arsenide deposited on tungsten/graphite substrates by the reaction between gallium, hydrogen chloride, and arsine have been used for the fabrication of thin film solar cells. MOS solar cells of 9 cm/sup 2/ area with an AM1 efficiency of 8.5% have been prepared from ruthenium treated gallium arsenide films of about 10 ..mu..m thickness. Homojunction solar cells of p/sup +//n/n/sup +/ configuration of 1 cm/sup 2/ area with an AM1 efficiency of 8.8% have been produced using heat treatment immediately following the deposition of the device structure. The major problem associated with polycrystalline thin film cells is the grain boundary shunting effect. To further improve the conversion efficiency, thin gallium arsenide films with uniformly large grains are required unless more effective grain boundary passivation technique can be developed.
Research Organization:
Southern Methodist University, Dallas, Texas
OSTI ID:
6803624
Report Number(s):
CONF-8305161-
Conference Information:
Journal Name: Proc. - Electrochem. Soc.; (United States) Journal Volume: 83-11
Country of Publication:
United States
Language:
English

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Related Subjects

14 SOLAR ENERGY
140501* -- Solar Energy Conversion-- Photovoltaic Conversion
ARSENIC COMPOUNDS
ARSENIDES
CARBON
CHALCOGENIDES
CONFIGURATION
CONVERSION
CRYSTAL STRUCTURE
DEPOSITION
DIMENSIONS
DIRECT ENERGY CONVERTERS
EFFICIENCY
ELEMENTAL MINERALS
ELEMENTS
ENERGY CONVERSION
EQUIPMENT
FABRICATION
FILMS
GALLIUM ARSENIDE SOLAR CELLS
GALLIUM ARSENIDES
GALLIUM COMPOUNDS
GRAIN BOUNDARIES
GRAIN SIZE
GRAPHITE
HEAT TREATMENTS
HOMOJUNCTIONS
HYDROCHLORIC ACID
HYDROGEN COMPOUNDS
INORGANIC ACIDS
JUNCTIONS
MATERIALS
METALS
MICROSTRUCTURE
MINERALS
MOLYBDENUM COMPOUNDS
MOLYBDENUM SULFIDES
N-TYPE CONDUCTORS
NONMETALS
P-TYPE CONDUCTORS
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
PNICTIDES
SEMICONDUCTOR JUNCTIONS
SEMICONDUCTOR MATERIALS
SIZE
SOLAR CELLS
SOLAR ENERGY CONVERSION
SOLAR EQUIPMENT
SUBSTRATES
SULFIDES
SULFUR COMPOUNDS
THICKNESS
THIN FILMS
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS
TUNGSTEN