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College of Engineering(공과대학)Dept. of Nuclear and Quantum Engineering(원자력및양자공학과)NE-Journal Papers(저널논문)

Excitation energy migration in a dodecameric porphyrin box

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dc.contributor.authorHwang, IWko
dc.contributor.authorYoon, ZSko
dc.contributor.authorKim J.ko
dc.contributor.authorKamada T.ko
dc.contributor.authorAhn T.K.ko
dc.contributor.authorAratani N.ko
dc.contributor.authorOsuka A.ko
dc.contributor.authorKim D.ko
dc.date.accessioned2013-03-06T16:29:16Z-
dc.date.available2013-03-06T16:29:16Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued2006-03-
dc.identifier.citationJOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY, v.178, no.2-3, pp.130 - 139-
dc.identifier.issn1010-6030-
dc.identifier.urihttp://hdl.handle.net/10203/87593-
dc.description.abstractThe excitation energy hopping (EEH) in a dodecameric porphyrin box (TB2) prepared by self-assembly of four meso-meso linked zinc(ll) triporphyrin (T2)s is explored by picosecond fluorescence and femtosecond transient absorption (TA) spectroscopy. The exciton-exciton annihilation and anisotropy depolarization observed in both fluorescence and TA provide a consistent EEH rate, i.e. 300 20 ps(-1), assuming Forster energy hopping among four T2 units in TB2. The observed energy hopping time 300 20 ps(-1) is slower than the previous 98 3 ps(-1) of B2 (an octameric porphyrin box), even though the size of hopping unit is larger in TB2. (c) 2005 Elsevier B.V. All rights reserved.-
dc.languageEnglish-
dc.publisherELSEVIER SCIENCE SA-
dc.subjectDIRECTLY-LINKED ZINC(II)-
dc.subjectREACTION-CENTER COMPLEX-
dc.subjectLH2 ANTENNA SYSTEM-
dc.subjectPHOTOPHYSICAL PROPERTIES-
dc.subjectEXCITON ANNIHILATION-
dc.subjectTRANSIENT ABSORPTION-
dc.subjectELECTRON-TRANSFER-
dc.subjectSPECTROSCOPIC PROPERTIES-
dc.subjectMULTIPORPHYRIN ARRAYS-
dc.subjectOPTICAL NONLINEARITY-
dc.titleExcitation energy migration in a dodecameric porphyrin box-
dc.typeArticle-
dc.identifier.wosid000236059200004-
dc.identifier.scopusid2-s2.0-33144456155-
dc.type.rimsART-
dc.citation.volume178-
dc.citation.issue2-3-
dc.citation.beginningpage130-
dc.citation.endingpage139-
dc.citation.publicationnameJOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY-
dc.identifier.doi10.1016/j.jphotochem.2005.10.029-
dc.contributor.localauthorKim J.-
dc.contributor.nonIdAuthorHwang, IW-
dc.contributor.nonIdAuthorYoon, ZS-
dc.contributor.nonIdAuthorKamada T.-
dc.contributor.nonIdAuthorAhn T.K.-
dc.contributor.nonIdAuthorAratani N.-
dc.contributor.nonIdAuthorOsuka A.-
dc.contributor.nonIdAuthorKim D.-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorself-assembled porphyrin array-
dc.subject.keywordAuthorexciton coupling-
dc.subject.keywordAuthorexcitation energy hopping (EEH)-
dc.subject.keywordAuthortransient absorption anisotropy (TAA)-
dc.subject.keywordAuthorexciton-exciton annihilation-
dc.subject.keywordAuthorcoupling energy matrix-
dc.subject.keywordPlusDIRECTLY-LINKED ZINC(II)-
dc.subject.keywordPlusREACTION-CENTER COMPLEX-
dc.subject.keywordPlusLH2 ANTENNA SYSTEM-
dc.subject.keywordPlusPHOTOPHYSICAL PROPERTIES-
dc.subject.keywordPlusEXCITON ANNIHILATION-
dc.subject.keywordPlusTRANSIENT ABSORPTION-
dc.subject.keywordPlusELECTRON-TRANSFER-
dc.subject.keywordPlusSPECTROSCOPIC PROPERTIES-
dc.subject.keywordPlusMULTIPORPHYRIN ARRAYS-
dc.subject.keywordPlusOPTICAL NONLINEARITY-
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