Luminescence and Energy-Transfer Mechanism in SrSi2O2N2:Ce3+,Eu2+ Phosphors for White LEDs

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dc.contributor.authorSong, X. F.en
dc.contributor.authorFu, R. L.en
dc.contributor.authorAgathopoulos, S.en
dc.contributor.authorHe, H.en
dc.contributor.authorZhao, X. R.en
dc.contributor.authorLi, R.en
dc.date.accessioned2015-11-24T17:35:28Z
dc.date.available2015-11-24T17:35:28Z
dc.identifier.issn0013-4651-
dc.identifier.urihttps://olympias.lib.uoi.gr/jspui/handle/123456789/14130
dc.rightsDefault Licence-
dc.subjectceriumen
dc.subjectdoping profilesen
dc.subjecteuropiumen
dc.subjecthigh-temperature effectsen
dc.subjectlight emitting diodesen
dc.subjectphosphorsen
dc.subjectpowdersen
dc.subjectstrontium compoundsen
dc.subjectemitting phosphorsen
dc.subjectphotoluminescenceen
dc.subjectnitrideen
dc.subjecteu2+en
dc.subjectsren
dc.subjectbaen
dc.subjectoxynitrideen
dc.subjectemissionen
dc.subjectcoloren
dc.titleLuminescence and Energy-Transfer Mechanism in SrSi2O2N2:Ce3+,Eu2+ Phosphors for White LEDsen
heal.abstractA series of Ce3+ and Eu2+ co-doped SrSi2O2N2 phosphors, whose features qualify them for consideration in white-light UV or blue light-emitting diodes (LEDs), was synthesized via a high temperature solid-state reaction under a reductive atmosphere. The dependence of luminescence properties of the produced powders on the concentration of an activator (Eu2+) and a coactivator (Ce3+) was investigated. The experimentally recorded luminescence spectra and the calculations of the efficiency of energy transfer from Ce3+ to Eu2+ and the critical distance between Ce3+ and Eu2+ suggest a resonance-type energy-transfer mechanism from Ce3+ to Eu2+ due to dipole-dipole interactions.en
heal.accesscampus-
heal.fullTextAvailabilityTRUE-
heal.identifier.primaryDoi 10.1149/1.3270491-
heal.identifier.secondary<Go to ISI>://000273222700085-
heal.identifier.secondaryhttp://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=JESOAN000157000002000J34000001&idtype=cvips&gifs=yes&ref=no-
heal.journalNameJournal of the Electrochemical Societyen
heal.journalTypepeer reviewed-
heal.languageen-
heal.publicationDate2010-
heal.publisherElectrochemical Societyen
heal.recordProviderΠανεπιστήμιο Ιωαννίνων. Σχολή Θετικών Επιστημών. Τμήμα Μηχανικών Επιστήμης Υλικώνel
heal.typejournalArticle-
heal.type.elΆρθρο Περιοδικούel
heal.type.enJournal articleen

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