Ga{sub x}In{sub 1{minus}x}As thermophotovoltaic converters
Book
·
OSTI ID:191101
- National Renewable Energy Lab., Golden, CO (United States)
Preliminary research into the development of single-junction Ga{sub x}In{sub 1{minus}x}As thermophotovoltaic (TPV) power converters is reviewed. The devices structures are grown epitaxially on single-crystal InP substrates. Converter band gaps of 0.50--0.74 eV have been considered in accordance with modeling calculations. A 1-sun, AMO efficiency of 12.8% is reported for a lattice-matched, 0.74-eV converter. Converters with lower band gaps are fabricated using lattice-mismatched, compositionally graded structures. Functional TPV converters with good performance characteristics have been demonstrated for band gaps as low as 0.5 eV.
- OSTI ID:
- 191101
- Report Number(s):
- CONF-941203--; ISBN 0-7803-1459-X
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
30 DIRECT ENERGY CONVERSION
36 MATERIALS SCIENCE
CURRENT DENSITY
DISLOCATIONS
DOPED MATERIALS
ELECTRIC POTENTIAL
EXPERIMENTAL DATA
FABRICATION
FILL FACTORS
GALLIUM ARSENIDES
GOLD
HYDROGEN
INDIUM ARSENIDES
INDIUM PHOSPHIDES
MICROSTRUCTURE
OPTICAL MICROSCOPY
ORGANOMETALLIC COMPOUNDS
PERFORMANCE
QUANTUM EFFICIENCY
THERMOPHOTOVOLTAIC CONVERTERS
TRANSMISSION ELECTRON MICROSCOPY
VAPOR PHASE EPITAXY
ZINC
36 MATERIALS SCIENCE
CURRENT DENSITY
DISLOCATIONS
DOPED MATERIALS
ELECTRIC POTENTIAL
EXPERIMENTAL DATA
FABRICATION
FILL FACTORS
GALLIUM ARSENIDES
GOLD
HYDROGEN
INDIUM ARSENIDES
INDIUM PHOSPHIDES
MICROSTRUCTURE
OPTICAL MICROSCOPY
ORGANOMETALLIC COMPOUNDS
PERFORMANCE
QUANTUM EFFICIENCY
THERMOPHOTOVOLTAIC CONVERTERS
TRANSMISSION ELECTRON MICROSCOPY
VAPOR PHASE EPITAXY
ZINC