Novel Dy incorporated Ca3Y2B4O12 phosphor: Insights into the structure, broadband emission, photoluminescence and cathodoluminescence characteristics

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dc.contributor.authorQaisi A.H.
dc.contributor.authorKaynar U.H.
dc.contributor.authorAyvacikli M.
dc.contributor.authorGarcia-Guinea J.
dc.contributor.authorAlajlani Y.
dc.contributor.authorTopaksu M.
dc.contributor.authorCan N.
dc.date.accessioned2024-07-22T08:04:11Z
dc.date.available2024-07-22T08:04:11Z
dc.date.issued2022
dc.description.abstractThis study reports cathodoluminescence (CL) and photoluminescence (PL) properties of undoped borate Ca3Y2B4O12 and Ca3Y2B4O12:x Dy3+ (x = 0.5, 1, 2, 3, 5, and 7) synthesized by gel combustion method. Micro-X-Ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), CL and PL under electron beam and 359 nm pulse laser excitation, respectively were used to investigate characterization and luminescence studies of synthesized samples in the visible wavelength. As-prepared samples match the standard Ca3Y2BO4 phase that belongs to the orthorhombic system with space group Pnma (62) based on XRD results. Under electron beam excitation, this borate host shows a broad band emission from about 250 to 450 nm, peaked at 370 nm which is attributed to NBHOC. All as-prepared phosphors exhibited the characteristic PL and CL emissions of Dy3+ ions corresponding to 4F9/2→6HJ transitions when excited with laser at 359 nm. The CL emission spectra of phosphors were identical to those of the PL spectra. Concentration quenching occurred when the doping concentration was 1 mol% in both the CL and PL spectra. The underlying reason for the concentration quenching phenomena observed in the discrete orange-yellow emission peaked at 574 nm of Dy3+ ion-doped Ca3Y2B4O12 phosphor is also discussed. According to these data, we can infer that this new borate can be used as a yellow emitting phosphor in solid-state illumination. © 2022 Elsevier Ltd
dc.identifier.DOI-ID10.1016/j.apradiso.2022.110257
dc.identifier.issn09698043
dc.identifier.urihttp://akademikarsiv.cbu.edu.tr:4000/handle/123456789/12577
dc.language.isoEnglish
dc.publisherElsevier Ltd
dc.subjectCathodoluminescence
dc.subjectDysprosium compounds
dc.subjectElectron beams
dc.subjectEmission spectroscopy
dc.subjectFourier transform infrared spectroscopy
dc.subjectLaser excitation
dc.subjectPhosphors
dc.subjectPhotoluminescence
dc.subjectQuenching
dc.subjectRare earths
dc.subjectX ray diffraction
dc.subjectboric acid
dc.subjectdysprosium
dc.subjectlanthanide
dc.subjectphosphorus
dc.subjectBroadband emission
dc.subjectConcentration quenching
dc.subjectElectron-beam
dc.subjectGel-combustion method
dc.subjectInfrared photoluminescence
dc.subjectMicro X-ray-diffraction
dc.subjectPhotoluminescence properties
dc.subjectPulse laser excitation
dc.subjectRare-earths
dc.subjectSynthesised
dc.subjectArticle
dc.subjectbroadband emission
dc.subjectcathodoluminescence
dc.subjectcombustion
dc.subjectcost control
dc.subjectelectron beam
dc.subjectenergy dispersive X ray spectroscopy
dc.subjectFourier transform infrared spectroscopy
dc.subjectillumination
dc.subjectlight related phenomena
dc.subjectphotoluminescence
dc.subjectthermostability
dc.subjectX ray diffraction
dc.subjectCalcium compounds
dc.titleNovel Dy incorporated Ca3Y2B4O12 phosphor: Insights into the structure, broadband emission, photoluminescence and cathodoluminescence characteristics
dc.typeArticle

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