Synthesis and enhanced photoluminescence of the BaSiF6:Dy3+ phosphors by Li+ doping via combustion method

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dc.authorscopusid57202790606
dc.authorscopusid56004006600
dc.authorscopusid14035203700
dc.authorscopusid55291484400
dc.authorscopusid7003768052
dc.contributor.authorSouadi, G. O.
dc.contributor.authorKaynar, Ümit H.
dc.contributor.authorAyvacıklı, M.
dc.contributor.authorCanımoğlu, A.
dc.contributor.authorCan, N.
dc.date.accessioned2022-02-15T16:58:31Z
dc.date.available2022-02-15T16:58:31Z
dc.date.issued2022
dc.departmentBakırçay Üniversitesien_US
dc.description.abstractUndoped BaSiF6, Dy3+ doped BaSiF6, and Dy3+, Li+ co-doped BaSiF6 phosphors were synthesized through a gelcombustion method. The prepared samples were characterized by powder x-ray diffraction (XRD), Fourier transform infrared (FTIR), energy dispersive x-ray spectroscopy (EDS), and photoluminescence (PL) techniques. The XRD data revealed that both the Dy3+ doped and Li+ co-doped BaSiF6 phosphors exhibited a single-phase structure belonging to the space group R (3m) over bar which matched well with the standard JCPDS files (No. 002-6613). FTIR spectra showed absorption bands at 3417 cm -1 , 1640 cm(-1), and 1620 cm(-1) corresponding to water molecules. EDS analysis confirmed the chemical composition of the prepared samples. The PL emission spectra of BaSiF6:Dy3+ by different co-doping concentrations of Li+ exhibited prominent emission peaks at 490 nm, 572 nm, 672 nm and 758 nm. The incorporation of Li+ is beneficial for enhancing the photoluminescence intensity. The optimum Li+ amount was 8% for BaSiF6:Dy3+ and then started to decrease. The enhancement could be due to the occurrence of oxygen vacancies due to the incorporation of Li+ ions. The x = 0.301 and y = 0.361 coordinates of this phosphor with varying Li+ dopant concentration determined by the Commission Internationale de l'Eclairage (CIE - 1931) were in the white range. The present work demonstrates how a simple and effective method can be used to prepare novel nanophosphors for applications in the field of visible light emitting devices with enhanced white emission.en_US
dc.identifier.doi10.1016/j.jlumin.2021.118512
dc.identifier.issn0022-2313
dc.identifier.issn1872-7883
dc.identifier.scopus2-s2.0-85116499628en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.urihttps://doi.org/10.1016/j.jlumin.2021.118512
dc.identifier.urihttps://hdl.handle.net/20.500.14034/422
dc.identifier.volume241en_US
dc.identifier.wosWOS:000710148000002en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.relation.journalJournal Of Luminescenceen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectBaSiF6en_US
dc.subjectRare earthen_US
dc.subjectGel combustion methoden_US
dc.subjectW-H methoden_US
dc.subjectEnhanced photoluminescenceen_US
dc.subjectConcentration quenchingen_US
dc.subjectHydrothermal Synthesisen_US
dc.subjectAmorphous Sio2en_US
dc.subjectCathodoluminescenceen_US
dc.subjectLuminescenceen_US
dc.subjectAbsorptionen_US
dc.subjectEmissionen_US
dc.subjectSilicaen_US
dc.subjectDefecten_US
dc.titleSynthesis and enhanced photoluminescence of the BaSiF6:Dy3+ phosphors by Li+ doping via combustion methoden_US
dc.typeArticleen_US

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