Synthesis and competitive luminescence quenching mechanism of Ca(3)Al(2)O(6)Ln(3+)(Ln: Dy and Sm) phosphors

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dc.authorscopusid57205945111
dc.authorscopusid56004006600
dc.authorscopusid14035203700
dc.authorscopusid57201796164
dc.authorscopusid6507901345
dc.authorscopusid7004314927
dc.authorscopusid7003768052
dc.contributor.authorBakr, M.
dc.contributor.authorKaynar, Ümit H.
dc.contributor.authorAyvacıklı, M.
dc.contributor.authorBenourdja, S.
dc.contributor.authorKarabulut, Y.
dc.contributor.authorHammoudeh, A.
dc.contributor.authorCan, N.
dc.date.accessioned2022-02-15T16:57:23Z
dc.date.available2022-02-15T16:57:23Z
dc.date.issued2020
dc.departmentBakırçay Üniversitesien_US
dc.description.abstractSm3+ and Dy3+ activated Ca3Al2O6 phosphors were produced through a gel combustion method using Urea + beta-Alanine, Urea, and Urea + Glycine as fuels. The crystal structure and the phase purity of the obtained materials were characterized by X-ray powder diffraction (XRD). Ca3Al2O6 :Sm3+ phosphor shows characteristic emission lines (565 nm, 602 nm, 649 nm, and 714 nm) in the orange red region assigned to (4)G(5/2) -> H- 6(J) (J = 5/2, 7/2, 9/2, 11/2) transitions of Sm3+. The strongest peak is located at 602 nm. Emission spectra of Ca3Al2O6 :Dy3+ show that there are two dominant peaks centered at 480 nm and 573 nm emitting blue and yellow light. Optimum doping concentrations of Sm(NO3)(3) and Dy(NO3)(3) are 0.01 % and 0.03 %, respectively. The concentration quenching mechanism is verified to be a dipole-dipole interaction as the type of energy transfer among Sm3+-Sm3+ and Dy3+-Dy3+ ions. The critical distance is also calculated to be 24.19 angstrom and 16.77 angstrom, respectively.en_US
dc.identifier.doi10.1016/j.materresbull.2020.111010
dc.identifier.issn0025-5408
dc.identifier.issn1873-4227
dc.identifier.scopus2-s2.0-85088217968en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttps://doi.org/10.1016/j.materresbull.2020.111010
dc.identifier.urihttps://hdl.handle.net/20.500.14034/132
dc.identifier.volume132en_US
dc.identifier.wosWOS:000568879000020en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherPergamon-Elsevier Science Ltden_US
dc.relation.journalMaterials Research Bulletinen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectCa3Al2O6XRDen_US
dc.subjectGel combustionen_US
dc.subjectPhotoluminescenceen_US
dc.subjectConcentration quenchingen_US
dc.subjectSm3+en_US
dc.subjectCathodoluminescenceen_US
dc.subjectBrighten_US
dc.subjectEu3+en_US
dc.titleSynthesis and competitive luminescence quenching mechanism of Ca(3)Al(2)O(6)Ln(3+)(Ln: Dy and Sm) phosphorsen_US
dc.typeArticleen_US

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