Structural, optical, luminescence properties and energy transfer mechanism of Tb3+/Eu(3+)co-doped SrLa2(MoO4)(4) phosphors produced by sol-gel process

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dc.authorid0000-0001-8849-4364en_US
dc.contributor.authorKeskin, I. C.
dc.contributor.authorGultekin, S.
dc.contributor.authorKati, M. I.
dc.contributor.authorTüremiş, Murat
dc.contributor.authorAy, K.
dc.contributor.authorArslanlar, Y.
dc.date.accessioned2021-03-20T20:12:35Z
dc.date.available2021-03-20T20:12:35Z
dc.date.issued2019
dc.departmentBTÜ, Mühendislik ve Doğa Bilimleri Fakültesi, Fizik Bölümüen_US
dc.description.abstractTb3+/Eu3+ co-doped SrLa2(MoO4)(4) have been synthesized using the sol-gel process. The as-produced light-emitting phosphors were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), differential thermal analysis (DTA)/thermogravimetric analysis (TG), optical absorption spectra, radioluminescence (RL), and photoluminescence (PL) spectra. The effect of Tb(3+)and Eu(3+)doping concentrations on the RL and PL intensity of host material was analyzed in details. Furthermore, the energy transfer mechanism based on RL spectra were determined of Tb3+/Eu(3+)co-doped SrLa2(MoO4)(4) phosphors. When the samples excited by X-ray, the SrLa2(MoO4)(4) phosphors exhibit characteristic emissions of Tb3+ (489, 544, 586, 620 and 675 nm) and Eu(3+)d (545, 592, 614, 650 and 700 nm). Also, similar emissions are observed in the results of PL spectra, when the samples excited by 488 nm. The host material has excellent energy transfer efficiency for lanthanide ions. In addition, the luminescence spectra indicated that the energy transfer is also effective between from Tb3+ to Eu(3+)and vice versa. The CIE parameters are calculated to characterize the color emission. Under UV excitation, the synthesized materials display different color from green to red. Based on the results, the SrLa2(MoO4)(4:Eu)(3+)(3+)(,Tb) phosphors may be potential candidates for light-emitting diode. (C) 2019 Elsevier B.V. All rights reserved.en_US
dc.description.sponsorshipScientific and Technical Research Council of Turkey (TUBITAK)Turkiye Bilimsel ve Teknolojik Arastirma Kurumu (TUBITAK) [117F035]en_US
dc.description.sponsorshipThe work described here was financially supported by Scientific and Technical Research Council of Turkey (TUBITAK) Contract no: 117F035.en_US
dc.identifier.doi10.1016/j.jallcom.2019.03.153en_US
dc.identifier.endpage940en_US
dc.identifier.issn0925-8388
dc.identifier.issn1873-4669
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage932en_US
dc.identifier.urihttp://doi.org/10.1016/j.jallcom.2019.03.153
dc.identifier.urihttps://hdl.handle.net/20.500.12885/625
dc.identifier.volume789en_US
dc.identifier.wosWOS:000464542700110en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorTüremiş, Murat
dc.language.isoenen_US
dc.publisherElsevier Science Saen_US
dc.relation.ispartofJournal Of Alloys And Compoundsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectSrLa2(MoO4)(4): Tb3+/Eu(3+)phosphorsen_US
dc.subjectRadioluminescenceen_US
dc.subjectUp conversionen_US
dc.titleStructural, optical, luminescence properties and energy transfer mechanism of Tb3+/Eu(3+)co-doped SrLa2(MoO4)(4) phosphors produced by sol-gel processen_US
dc.typeArticleen_US

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