Improvement of photoluminescence of Cu+ ion in Li2SO4
Identifieur interne : 000208 ( Istex/Checkpoint ); précédent : 000207; suivant : 000209Improvement of photoluminescence of Cu+ ion in Li2SO4
Auteurs : S. P. Puppalwar [Inde] ; S. J. Dhoble [Inde] ; Animesh Kumar [Inde]Source :
- Luminescence [ 1522-7235 ] ; 2011-11.
Descripteurs français
- Wicri :
- topic : Droit d'auteur.
English descriptors
- KwdEn :
- Activator ions, Alkali halides, Alkaline earth halides, Appl phys lett, Arbitrary units, Better incorporation, Chemical method, Copyright, Cuso, Emission intensity, Emission spectra, Emission spectrum, Energy level diagram, Excitation, Excitation spectra, Excitation spectrum, Excitation wavelength, Ground state, Higher concentrations, Higher luminescence, Higher temperature, Host lattice, Important role, Ionic radius, John wiley sons, Li2so, Likso4, Linaso4, Luminescence, Luminescence center, Luminescence process, Luminescent process, Moharil, Monovalent, Monovalent form, Nagpur university, Peak intensity, Photoluminescence, Photostimulated luminescence, Phys, Phys chem solids, Phys condens matter, Phys stat, Powder form, Purity grade, Quenched, Relative heights, Single crystals, Singlet state, Sodium chloride, Sulfate, Thermoluminescence, Thermoluminescence dosimetry, Thermoluminescence dosimetry applications, Thermoluminescence studies, Triplet state, Wavelength light.
- Teeft :
- Activator ions, Alkali halides, Alkaline earth halides, Appl phys lett, Arbitrary units, Better incorporation, Chemical method, Copyright, Cuso, Emission intensity, Emission spectra, Emission spectrum, Energy level diagram, Excitation, Excitation spectra, Excitation spectrum, Excitation wavelength, Ground state, Higher concentrations, Higher luminescence, Higher temperature, Host lattice, Important role, Ionic radius, John wiley sons, Li2so, Likso4, Linaso4, Luminescence, Luminescence center, Luminescence process, Luminescent process, Moharil, Monovalent, Monovalent form, Nagpur university, Peak intensity, Photoluminescence, Photostimulated luminescence, Phys, Phys chem solids, Phys condens matter, Phys stat, Powder form, Purity grade, Quenched, Relative heights, Single crystals, Singlet state, Sodium chloride, Sulfate, Thermoluminescence, Thermoluminescence dosimetry, Thermoluminescence dosimetry applications, Thermoluminescence studies, Triplet state, Wavelength light.
Abstract
The synthesis of the Li2SO4: Cu phosphor using a wet chemical method is reported here. The XRD technique showed the crystalline nature of the prepared material. The presence of Na and K in the host affected the observed photoluminescence characteristics of Li2SO4: Cu. Photoluminsecent emission spectra of Li2SO4: Cu phosphor showed a very strong prominet peak at 387 nm in the indigo region due to 3d9 4 s1 ↔ 3d10 transition of the Cu+ ion. The increase in peak intensity of the PL spectrum suggests that Cu+ acts as the luminescence center in the present matrix. Copyright © 2010 John Wiley & Sons, Ltd.
Url:
DOI: 10.1002/bio.1252
Affiliations:
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<term>Emission spectrum</term>
<term>Energy level diagram</term>
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<term>Excitation spectra</term>
<term>Excitation spectrum</term>
<term>Excitation wavelength</term>
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<term>Higher concentrations</term>
<term>Higher luminescence</term>
<term>Higher temperature</term>
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<term>Important role</term>
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<term>Likso4</term>
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<front><div type="abstract" xml:lang="en">The synthesis of the Li2SO4: Cu phosphor using a wet chemical method is reported here. The XRD technique showed the crystalline nature of the prepared material. The presence of Na and K in the host affected the observed photoluminescence characteristics of Li2SO4: Cu. Photoluminsecent emission spectra of Li2SO4: Cu phosphor showed a very strong prominet peak at 387 nm in the indigo region due to 3d9 4 s1 ↔ 3d10 transition of the Cu+ ion. The increase in peak intensity of the PL spectrum suggests that Cu+ acts as the luminescence center in the present matrix. Copyright © 2010 John Wiley & Sons, Ltd.</div>
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