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Article: Synthesis, vacuum ultraviolet and near ultraviolet-excited luminescent properties of GdCaAl3O7: RE3+ (RE=Eu, Tb)

TitleSynthesis, vacuum ultraviolet and near ultraviolet-excited luminescent properties of GdCaAl3O7: RE3+ (RE=Eu, Tb)
Authors
Zhou, LChoy, WCHShi, JGong, MLiang, HYuk, TI
KeywordsCitrate sol-gel
GdCaAl3O7:RE3+ (RE=Eu, Tb)
Luminescence
PDP green phosphors
Issue Date2005
PublisherAcademic Press. The Journal's web site is located at http://www.elsevier.com/locate/jssc
Citation
Journal Of Solid State Chemistry, 2005, v. 178 n. 10, p. 3004-3009 How to Cite?
DOI: http://dx.doi.org/10.1016/j.jssc.2005.07.012
AbstractVacuum ultraviolet (VUV) excitation and photoluminescent (PL) properties of Eu3+ and Tb3+ ion-doped aluminate phosphors, GdCaAl 3O7:Eu3+ and GdCaAl3O 7:Tb3+ have been investigated. X-ray diffraction (XRD) patterns indicate that the phosphor GdCaAl3O7 forms without impurity phase at 900 °C. Field emission scanning electron microscopy (FE-SEM) images show that the particle size of the phosphor is less than 3 μm. Upon excitation with VUV irradiation, the phosphors show a strong emission at around 619 nm corresponding to the forced electric dipole 5D0→7F2 transition of Eu 3+, and at around 545 nm corresponding to the 5D 4→7F5 transition of Tb3+. The results reveal that both GdCaAl3O7:RE3+ (RE=Eu, Tb) are potential candidates as red and green phosphors, respectively, for use in plasma display panel (PDP). © 2005 Elsevier Inc. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/48587
ISSN
0022-4596
2021 Impact Factor: 3.656
2020 SCImago Journal Rankings: 0.650
ISI Accession Number ID
WOS:000232418200006
References
References in Scopus

 

DC FieldValueLanguage
dc.contributor.authorZhou, Len_HK
dc.contributor.authorChoy, WCHen_HK
dc.contributor.authorShi, Jen_HK
dc.contributor.authorGong, Men_HK
dc.contributor.authorLiang, Hen_HK
dc.contributor.authorYuk, TIen_HK
dc.date.accessioned2008-05-22T04:18:06Z-
dc.date.available2008-05-22T04:18:06Z-
dc.date.issued2005en_HK
dc.identifier.citationJournal Of Solid State Chemistry, 2005, v. 178 n. 10, p. 3004-3009en_HK
dc.identifier.issn0022-4596en_HK
dc.identifier.urihttp://hdl.handle.net/10722/48587-
dc.description.abstractVacuum ultraviolet (VUV) excitation and photoluminescent (PL) properties of Eu<sup>3+</sup> and Tb<sup>3+</sup> ion-doped aluminate phosphors, GdCaAl <sub>3</sub>O<sub>7</sub>:Eu<sup>3+</sup> and GdCaAl<sub>3</sub>O <sub>7</sub>:Tb<sup>3+</sup> have been investigated. X-ray diffraction (XRD) patterns indicate that the phosphor GdCaAl<sub>3</sub>O<sub>7</sub> forms without impurity phase at 900 °C. Field emission scanning electron microscopy (FE-SEM) images show that the particle size of the phosphor is less than 3 μm. Upon excitation with VUV irradiation, the phosphors show a strong emission at around 619 nm corresponding to the forced electric dipole <sup>5</sup>D<sub>0</sub>→<sup>7</sup>F<sub>2</sub> transition of Eu <sup>3+</sup>, and at around 545 nm corresponding to the <sup>5</sup>D <sub>4</sub>→<sup>7</sup>F<sub>5</sub> transition of Tb<sup>3+</sup>. The results reveal that both GdCaAl<sub>3</sub>O<sub>7</sub>:RE<sup>3+</sup> (RE=Eu, Tb) are potential candidates as red and green phosphors, respectively, for use in plasma display panel (PDP). © 2005 Elsevier Inc. All rights reserved.-
dc.format.extent376271 bytes-
dc.format.extent363496 bytes-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypeapplication/pdf-
dc.languageengen_HK
dc.languagefreen_HK
dc.languagegeren_HK
dc.publisherAcademic Press. The Journal's web site is located at http://www.elsevier.com/locate/jsscen_HK
dc.relation.ispartofJournal of Solid State Chemistryen_HK
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.subjectCitrate sol-gelen_HK
dc.subjectGdCaAl3O7:RE3+ (RE=Eu, Tb)en_HK
dc.subjectLuminescenceen_HK
dc.subjectPDP green phosphorsen_HK
dc.titleSynthesis, vacuum ultraviolet and near ultraviolet-excited luminescent properties of GdCaAl3O7: RE3+ (RE=Eu, Tb)en_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0022-4596&volume=178&issue=10&spage=3004&epage=3009&date=2005&atitle=Synthesis,+vacuum+ultraviolet+and+near+ultraviolet-excited+luminescent+properties+of+GdCaAl3O7:+RE3++(RE=Eu,+Tb)en_HK
dc.identifier.emailChoy, WCH:chchoy@eee.hku.hken_HK
dc.identifier.emailYuk, TI:tiyuk@eee.hku.hken_HK
dc.identifier.authorityChoy, WCH=rp00218en_HK
dc.identifier.authorityYuk, TI=rp00210en_HK
dc.description.naturepostprinten_HK
dc.identifier.doi10.1016/j.jssc.2005.07.012en_HK
dc.identifier.scopuseid_2-s2.0-25644453514en_HK
dc.identifier.hkuros106426-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-25644453514&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume178en_HK
dc.identifier.issue10en_HK
dc.identifier.spage3004en_HK
dc.identifier.epage3009en_HK
dc.identifier.isiWOS:000232418200006-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridZhou, L=35239411300en_HK
dc.identifier.scopusauthoridChoy, WCH=7006202371en_HK
dc.identifier.scopusauthoridShi, J=7404495447en_HK
dc.identifier.scopusauthoridGong, M=7201566077en_HK
dc.identifier.scopusauthoridLiang, H=35242664000en_HK
dc.identifier.scopusauthoridYuk, TI=6603685705en_HK
dc.identifier.issnl0022-4596-

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