Lattice constants and band-gap variations of the pentenary semiconductor system Cu/sub 1-y/Ag/sub y/InS/sub( 21-x/)Se/sub 2x/
Journal Article
·
· Appl. Phys. Lett.; (United States)
Much interest has been expressed in the ternary IB-III-VI/sub 2/ group semiconductors for use in electro-optical devices such as solar cells. Subsets of these, AgInS/sub 2/, AgInSe/sub 2/, CuInS/sub 2/, and CuInSe/sub 2/, have been combined to form the pentenary alloy system Cu/sub 1-y/Ag/sub y/InS/sub( 21-x/)Se/sub 2x/. With such an alloy the band gap may be varied while keeping the lattice constant fixed. Samples were prepared by reacting stoichiometric powder mixtures at about 900 /sup 0/C. X-ray diffractometry tests suggest the alloys maintained complete solid solubility throughout the system in a chalcopyrite-type crystal structure. From cathodoluminescence studies on pressed bars of these powders the band-gap energies were estimated at 300 /sup 0/K. These tests suggest that the alloys are all direct-band-gap semiconductors.
- Research Organization:
- Department of Engineering Physics, McMaster University, Hamilton, Ontario, Canada, L8S 4M1
- OSTI ID:
- 6339803
- Journal Information:
- Appl. Phys. Lett.; (United States), Journal Name: Appl. Phys. Lett.; (United States) Vol. 34:11; ISSN APPLA
- Country of Publication:
- United States
- Language:
- English
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· J. Appl. Phys.; (United States)
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OSTI ID:6024824
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· J. Electrochem. Soc.; (United States)
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·
OSTI ID:6334555
Related Subjects
14 SOLAR ENERGY
140501 -- Solar Energy Conversion-- Photovoltaic Conversion
36 MATERIALS SCIENCE
360603* -- Materials-- Properties
ALLOYS
CHALCOGENIDES
CHALCOPYRITE
COHERENT SCATTERING
COPPER COMPOUNDS
COPPER SELENIDES
COPPER SULFIDES
CRYSTAL LATTICES
CRYSTAL STRUCTURE
DIFFRACTION
DISPERSIONS
ELECTRO-OPTICAL EFFECTS
ENERGY GAP
INDIUM COMPOUNDS
INDIUM SELENIDES
INDIUM SULFIDES
IRON COMPOUNDS
IRON SULFIDES
LATTICE PARAMETERS
MINERALS
MIXTURES
POWDERS
SCATTERING
SELENIDES
SELENIUM COMPOUNDS
SEMICONDUCTOR MATERIALS
SILVER COMPOUNDS
SILVER SELENIDES
SILVER SULFIDES
STOICHIOMETRY
SULFIDES
SULFUR COMPOUNDS
TRANSITION ELEMENT COMPOUNDS
VERY HIGH TEMPERATURE
X-RAY DIFFRACTION
140501 -- Solar Energy Conversion-- Photovoltaic Conversion
36 MATERIALS SCIENCE
360603* -- Materials-- Properties
ALLOYS
CHALCOGENIDES
CHALCOPYRITE
COHERENT SCATTERING
COPPER COMPOUNDS
COPPER SELENIDES
COPPER SULFIDES
CRYSTAL LATTICES
CRYSTAL STRUCTURE
DIFFRACTION
DISPERSIONS
ELECTRO-OPTICAL EFFECTS
ENERGY GAP
INDIUM COMPOUNDS
INDIUM SELENIDES
INDIUM SULFIDES
IRON COMPOUNDS
IRON SULFIDES
LATTICE PARAMETERS
MINERALS
MIXTURES
POWDERS
SCATTERING
SELENIDES
SELENIUM COMPOUNDS
SEMICONDUCTOR MATERIALS
SILVER COMPOUNDS
SILVER SELENIDES
SILVER SULFIDES
STOICHIOMETRY
SULFIDES
SULFUR COMPOUNDS
TRANSITION ELEMENT COMPOUNDS
VERY HIGH TEMPERATURE
X-RAY DIFFRACTION