Temperature effect on fluorescence and UV-vis absorption spectroscopic properties of Dy(III) in molten LiCl-KCl eutectic salt

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dc.contributor.authorKim, Bong Youngko
dc.contributor.authorYun, Jong-Ilko
dc.date.accessioned2013-03-12T11:39:31Z-
dc.date.available2013-03-12T11:39:31Z-
dc.date.created2012-08-06-
dc.date.created2012-08-06-
dc.date.issued2012-11-
dc.identifier.citationJOURNAL OF LUMINESCENCE, v.132, no.11, pp.3066 - 3071-
dc.identifier.issn0022-2313-
dc.identifier.urihttp://hdl.handle.net/10203/102225-
dc.description.abstractThe spectroscopic properties of Dy(III) in molten LiCl-KCl eutectic salt at high temperature were investigated by time-resolved laser fluorescence spectroscopy (TRLFS) and UV-vis absorption spectroscopy. For the first time, a visible fluorescence of Dy(III) in high-temperature LiCl-KCl eutectic salt was measured due to the electronic transitions from I-4(13/2) and F-4(9/2) to H-6(J/2) (J=7, ... , 15). The effect of temperature on hypersensitivity for the electronic transitions from the I-4(13/2) excited state (similar to 25700 cm(-1)) of Dy(III) was confirmed by altering temperature in chloride eutectic salt in accord with optical absorption measurements. The molar absorptivity of I-4(13/2) <- H-6(15/2) was enhanced with increasing temperature. The fluorescence intensity of Dy(III) followed a simple mono-exponential decay curve, suggesting the formation of a single chemical species in high-temperature LiCl-KCl molten salt. (C) 2012 Elsevier B.V. All rights reserved.-
dc.languageEnglish-
dc.publisherELSEVIER SCIENCE BV-
dc.subjectHYPERSENSITIVE TRANSITIONS-
dc.subjectELECTROCHEMICAL-BEHAVIOR-
dc.subjectTHERMODYNAMIC PROPERTIES-
dc.subjectCHLORIDE MELTS-
dc.subjectAL ELECTRODES-
dc.subjectLANTHANIDES-
dc.subjectDYSPROSIUM-
dc.subjectLUMINESCENCE-
dc.subjectSPECTRA-
dc.subjectGADOLINIUM-
dc.titleTemperature effect on fluorescence and UV-vis absorption spectroscopic properties of Dy(III) in molten LiCl-KCl eutectic salt-
dc.typeArticle-
dc.identifier.wosid000308627400039-
dc.identifier.scopusid2-s2.0-84863686437-
dc.type.rimsART-
dc.citation.volume132-
dc.citation.issue11-
dc.citation.beginningpage3066-
dc.citation.endingpage3071-
dc.citation.publicationnameJOURNAL OF LUMINESCENCE-
dc.identifier.doi10.1016/j.jlumin.2012.06.023-
dc.contributor.localauthorYun, Jong-Il-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorDysprosium-
dc.subject.keywordAuthorMolten chlorides-
dc.subject.keywordAuthorFluorescence-
dc.subject.keywordAuthorAbsorption-
dc.subject.keywordAuthorHypersensitivity-
dc.subject.keywordPlusHYPERSENSITIVE TRANSITIONS-
dc.subject.keywordPlusELECTROCHEMICAL-BEHAVIOR-
dc.subject.keywordPlusTHERMODYNAMIC PROPERTIES-
dc.subject.keywordPlusCHLORIDE MELTS-
dc.subject.keywordPlusAL ELECTRODES-
dc.subject.keywordPlusLANTHANIDES-
dc.subject.keywordPlusDYSPROSIUM-
dc.subject.keywordPlusLUMINESCENCE-
dc.subject.keywordPlusSPECTRA-
dc.subject.keywordPlusGADOLINIUM-
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