High temperature photoluminescence dependence and energy migration of Tb3+-Incorporated K3Y(BO2)6 phosphors

dc.authoridCan, Nurdogan/0000-0001-9576-7869
dc.authoridMADKHALI, Osama/0000-0001-9397-9956
dc.authoridAydin, Hasan/0000-0003-1622-2436
dc.contributor.authorSouadi, G.
dc.contributor.authorHakami, O.
dc.contributor.authorKaynar, U. H.
dc.contributor.authorCoban, M. B.
dc.contributor.authorAydin, H.
dc.contributor.authorMadkhali, O.
dc.contributor.authorZelai, T.
dc.date.accessioned2025-03-20T09:51:12Z
dc.date.available2025-03-20T09:51:12Z
dc.date.issued2024
dc.departmentİzmir Bakırçay Üniversitesi
dc.description.abstractThis study investigates the structural and photoluminescence (PL) characteristics of Tb3+-incorporated K3Y(BO2)(6) (KYBO) phosphors synthesized via a microwave-assisted sol-gel technique. X-ray diffraction (XRD) and Rietveld refinement confirmed the formation of a pure hexagonal phase, with lattice expansion due to Tb3+ doping. PL studies revealed strong green emissions centered at 541 nm, attributed to the D-5(4) -> F-7(5) transitions of Tb3+ ions, with the highest intensity observed at 5 wt% Tb3+. A decrease in emission was observed at higher concentrations due to concentration quenching. Temperature-dependent PL measurements revealed reverse thermal quenching enhancing PL intensity. Chromaticity analysis based on CIE 1931 coordinates showed stable green emission across all concentrations, with a maximum color purity of 89.74% observed for the KYBO:3 wt% Tb3+ sample. The results, along with reverse thermal quenching behavior observed between 470K and 550K, suggest that these phosphors exhibit excellent potential for lighting and display technologies.
dc.description.sponsorshipDeanship of Graduate Studies and Scientific Research, Jazan University, Saudi Arabia [RG24-M04]
dc.description.sponsorshipThe authors gratefully acknowledge the funding of the Deanship of Graduate Studies and Scientific Research, Jazan University, Saudi Arabia, through Project Number: RG24-M04.
dc.identifier.doi10.1016/j.apradiso.2024.111529
dc.identifier.issn0969-8043
dc.identifier.issn1872-9800
dc.identifier.pmid39332268
dc.identifier.scopus2-s2.0-85204720578
dc.identifier.scopusqualityQ2
dc.identifier.urihttps://doi.org/10.1016/j.apradiso.2024.111529
dc.identifier.urihttps://hdl.handle.net/20.500.14034/2466
dc.identifier.volume214
dc.identifier.wosWOS:001327642100001
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherPergamon-Elsevier Science Ltd
dc.relation.ispartofApplied Radiation and Isotopes
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WOS_20250319
dc.subjectK3Y(BO2)(6)
dc.subjectTb3+
dc.subjectMicrowave-assisted sol-gel synthesis
dc.subjectXRD
dc.subjectPhotoluminescence
dc.subjectReverse thermal quenching
dc.titleHigh temperature photoluminescence dependence and energy migration of Tb3+-Incorporated K3Y(BO2)6 phosphors
dc.typeArticle

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