Time-resolved photoinduced absorption spectroscopic study on trapped carriers at semiconductor-glass interfaces

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dc.contributor.authorSeo, JCko
dc.contributor.authorKim, Dko
dc.contributor.authorKong, Hong-Jinko
dc.date.accessioned2013-03-02T19:05:57Z-
dc.date.available2013-03-02T19:05:57Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued1997-05-
dc.identifier.citationAPPLIED PHYSICS A-MATERIALS SCIENCE PROCESSING, v.64, no.5, pp.445 - 449-
dc.identifier.issn0947-8396-
dc.identifier.urihttp://hdl.handle.net/10203/75059-
dc.description.abstractThe photoinduced absorption below the band gap of a color glass filter doped by CdS0.4Se0.6 microcrystals was investigated by using time-resolved differential transmittance spectroscopy. The electron trapping at microcrystal-glass interfaces was found to occur within less than 1 ps after photoexcitation. At low excitation energy density, the excited electrons are trapped at point defects distributed over the nanocrystal interfaces. Such electrons give rise to long-lived photoinduced absorption with a lifetime of 3.2 ns. On the other hand, at high excitation energy density, transient absorption with a fast (60 ps) and simultaneously a slow decay component (3.2 ns) was observed. This short-lived photoinduced absorption is attributed to the electrons trapped at the shallow trap states of the semiconductor-glass interfaces.-
dc.languageEnglish-
dc.publisherSPRINGER VERLAG-
dc.subjectDOPED GLASSES-
dc.subjectSIZE DEPENDENCE-
dc.subjectQUANTUM DOTS-
dc.subjectCDSXSE1-X-DOPED GLASSES-
dc.subjectOPTICAL NONLINEARITIES-
dc.subjectELECTRONIC-STRUCTURE-
dc.subjectCOLORED GLASS-
dc.subjectDYNAMICS-
dc.subjectCLUSTERS-
dc.subjectCDSE-
dc.titleTime-resolved photoinduced absorption spectroscopic study on trapped carriers at semiconductor-glass interfaces-
dc.typeArticle-
dc.identifier.wosidA1997XB49600004-
dc.identifier.scopusid2-s2.0-0031141504-
dc.type.rimsART-
dc.citation.volume64-
dc.citation.issue5-
dc.citation.beginningpage445-
dc.citation.endingpage449-
dc.citation.publicationnameAPPLIED PHYSICS A-MATERIALS SCIENCE PROCESSING-
dc.contributor.localauthorKong, Hong-Jin-
dc.contributor.nonIdAuthorSeo, JC-
dc.contributor.nonIdAuthorKim, D-
dc.type.journalArticleArticle-
dc.subject.keywordPlusDOPED GLASSES-
dc.subject.keywordPlusSIZE DEPENDENCE-
dc.subject.keywordPlusQUANTUM DOTS-
dc.subject.keywordPlusCDSXSE1-X-DOPED GLASSES-
dc.subject.keywordPlusOPTICAL NONLINEARITIES-
dc.subject.keywordPlusELECTRONIC-STRUCTURE-
dc.subject.keywordPlusCOLORED GLASS-
dc.subject.keywordPlusDYNAMICS-
dc.subject.keywordPlusCLUSTERS-
dc.subject.keywordPlusCDSE-
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