Influence of surface copper sulfide on the parameters of electroluminescent phosphors
Journal Article
·
· Inorg. Mater. (Engl. Transl.); (United States)
OSTI ID:5413251
Two series of specimens were studied with a copper concentration of 0.05 and 0.3 mass % which possessed electroluminescence (EL) with a spectral maximum in the regions of 460 and 510 nm, respectively. Radical-recombination luminescence (RRL) was excited by atomic hydrogen obtained in an rf discharge. The RRL spectra were recorded automatically by a spectrophotometer. When the standard technique is used to wash an electroluminescent phosphor based on ZnS the copper sulfide is not completely removed from its grains. It is necessary to have objective monitoring of the degree to which surface copper sulfide is washed off the phosphor, on the basis of the intensity of the radical-recombination luminescence. The aging rate of the EL phosphor can be described by stabilization of the second phase (copper sulfide) or by replacement of this phase by a more stable compound.
- Research Organization:
- All-Union Scientific-Research Institute of Phosphors and Ultrapure Substances
- OSTI ID:
- 5413251
- Journal Information:
- Inorg. Mater. (Engl. Transl.); (United States), Journal Name: Inorg. Mater. (Engl. Transl.); (United States) Vol. 21:10; ISSN INOMA
- 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
360603 -- Materials-- Properties
ABSORPTION SPECTRA
AGING
BRIGHTNESS
CHALCOGENIDES
CLEANING
COPPER
COPPER COMPOUNDS
COPPER SULFIDES
DIRECT ENERGY CONVERTERS
ELECTROLUMINESCENCE
ELEMENTS
EQUIPMENT
INORGANIC PHOSPHORS
LUMINESCENCE
METALLURGICAL EFFECTS
METALS
OPTICAL PROPERTIES
PHOSPHORS
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
PHYSICAL PROPERTIES
PURIFICATION
RECOMBINATION
REMOVAL
SOLAR CELLS
SOLAR EQUIPMENT
SPECTRA
SPECTROPHOTOMETRY
SULFIDES
SULFUR COMPOUNDS
SURFACE CLEANING
SURFACE FINISHING
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS
ZINC COMPOUNDS
ZINC SULFIDE SOLAR CELLS
ZINC SULFIDES
140501* -- Solar Energy Conversion-- Photovoltaic Conversion
36 MATERIALS SCIENCE
360603 -- Materials-- Properties
ABSORPTION SPECTRA
AGING
BRIGHTNESS
CHALCOGENIDES
CLEANING
COPPER
COPPER COMPOUNDS
COPPER SULFIDES
DIRECT ENERGY CONVERTERS
ELECTROLUMINESCENCE
ELEMENTS
EQUIPMENT
INORGANIC PHOSPHORS
LUMINESCENCE
METALLURGICAL EFFECTS
METALS
OPTICAL PROPERTIES
PHOSPHORS
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
PHYSICAL PROPERTIES
PURIFICATION
RECOMBINATION
REMOVAL
SOLAR CELLS
SOLAR EQUIPMENT
SPECTRA
SPECTROPHOTOMETRY
SULFIDES
SULFUR COMPOUNDS
SURFACE CLEANING
SURFACE FINISHING
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS
ZINC COMPOUNDS
ZINC SULFIDE SOLAR CELLS
ZINC SULFIDES