The recombination velocity at iii-v compound heterojunctions with applications to Al /sub x/ Ga/sub 1-x/As-GaAs/sub 1-y/Sb/sub y/
Technical Report
·
OSTI ID:6498126
Interface recombination velocity in Al/sub x/Ga/sub 1-x/As-GaAs and A1/sub 0/ /sub 85/ Ga/sub 0/ /sub 15/As-GaAs/sub 1-y/Sb/sub y/ heterojunction systems was studied as a function of lattice mismatch. The results are applied to the design of highly efficient III-V heterojunction solar cells. A horizontal liquid-phase epitaxial growth system was used to prepare p-p-p and p-p-n double heterojunction test samples with specified values of x and y. Samples were grown at each composition, with different GaAs and GaAsSb layer thicknesses. A method was developed to obtain the lattice mismatch and lattice constants in mixed single crystals grown on (100) and (111)B oriented GaAs substrates.
- Research Organization:
- Stanford Univ., CA (USA). Solid-State Electronics Labs.
- OSTI ID:
- 6498126
- Report Number(s):
- N-78-25544; NASA-CR-157181; SU-SEL-78-014
- 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
360601 -- Other Materials-- Preparation & Manufacture
ALUMINIUM ARSENIDES
ALUMINIUM COMPOUNDS
ANTIMONY COMPOUNDS
ARSENIC COMPOUNDS
ARSENIDES
CRYSTAL GROWTH
CRYSTALS
DESIGN
DIRECT ENERGY CONVERTERS
EPITAXY
GALLIUM ARSENIDE SOLAR CELLS
GALLIUM ARSENIDES
GALLIUM COMPOUNDS
JUNCTIONS
MONOCRYSTALS
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
PNICTIDES
RECOMBINATION
SEMICONDUCTOR JUNCTIONS
SOLAR CELLS
140501* -- Solar Energy Conversion-- Photovoltaic Conversion
36 MATERIALS SCIENCE
360601 -- Other Materials-- Preparation & Manufacture
ALUMINIUM ARSENIDES
ALUMINIUM COMPOUNDS
ANTIMONY COMPOUNDS
ARSENIC COMPOUNDS
ARSENIDES
CRYSTAL GROWTH
CRYSTALS
DESIGN
DIRECT ENERGY CONVERTERS
EPITAXY
GALLIUM ARSENIDE SOLAR CELLS
GALLIUM ARSENIDES
GALLIUM COMPOUNDS
JUNCTIONS
MONOCRYSTALS
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
PNICTIDES
RECOMBINATION
SEMICONDUCTOR JUNCTIONS
SOLAR CELLS