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College of Natural Sciences(자연과학대학)Dept. of Physics(물리학과)PH-Journal Papers(저널논문)

Graphene oxide/N-methyl-2-pyrrolidone charge-transfer complexes for molecular detection

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dc.contributor.authorXin, Guoqingko
dc.contributor.authorGong, Suhyunko
dc.contributor.authorKim, Namhunko
dc.contributor.authorKim, Je-Hyungko
dc.contributor.authorHwang, Wontaeko
dc.contributor.authorNam, Jaewookko
dc.contributor.authorCho, Yong-Hoonko
dc.contributor.authorCho, Sung Minko
dc.contributor.authorChae, Heeyeopko
dc.date.accessioned2013-08-08T04:42:38Z-
dc.date.available2013-08-08T04:42:38Z-
dc.date.created2013-07-15-
dc.date.created2013-07-15-
dc.date.issued2013-01-
dc.identifier.citationSENSORS AND ACTUATORS B-CHEMICAL, v.176, pp.81 - 85-
dc.identifier.issn0925-4005-
dc.identifier.urihttp://hdl.handle.net/10203/174319-
dc.description.abstractCharge transfer complex (CTC) has been formed between photoluminescent graphene oxide (GO) as electron acceptor and N-methylpyrrolidone (NMP) as electron donor. Studies of UV absorption and photoluminescence (PL) suggest that the formation of CTC results in a red-shift of absorption and a new PL emission. Decay dynamics was described by time-resolved PL spectra and a clear ultrafast charge-transfer process was observed from the PL rise times. The PL of the CTC was sensitive to external components, allowing molecular detection of 7,7,8,8-tetracyanoquinodimethane and 1,3,5-trinitrobenzene up to hundred nanomolar concentration levels through the photoluminescence signals. (C) 2012 Elsevier B.V. All rights reserved.-
dc.languageEnglish-
dc.publisherELSEVIER SCIENCE SA-
dc.subjectELECTRONIC-STRUCTURE-
dc.subjectAQUEOUS DISPERSIONS-
dc.subjectCARBON NANOTUBES-
dc.subjectOXIDE-
dc.subjectPOLYMER-
dc.subjectC-60-
dc.subjectAGGREGATION-
dc.subjectFULLERENES-
dc.subjectDELIVERY-
dc.subjectCELLS-
dc.titleGraphene oxide/N-methyl-2-pyrrolidone charge-transfer complexes for molecular detection-
dc.typeArticle-
dc.identifier.wosid000319867500013-
dc.identifier.scopusid2-s2.0-84875439921-
dc.type.rimsART-
dc.citation.volume176-
dc.citation.beginningpage81-
dc.citation.endingpage85-
dc.citation.publicationnameSENSORS AND ACTUATORS B-CHEMICAL-
dc.identifier.doi10.1016/j.snb.2012.09.003-
dc.contributor.localauthorCho, Yong-Hoon-
dc.contributor.nonIdAuthorXin, Guoqing-
dc.contributor.nonIdAuthorKim, Namhun-
dc.contributor.nonIdAuthorHwang, Wontae-
dc.contributor.nonIdAuthorNam, Jaewook-
dc.contributor.nonIdAuthorCho, Sung Min-
dc.contributor.nonIdAuthorChae, Heeyeop-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorGraphene-
dc.subject.keywordAuthorGraphene oxide-
dc.subject.keywordAuthorCharge-transfer complex-
dc.subject.keywordAuthorMolecular sensor-
dc.subject.keywordAuthorTime-resolved photoluminescent spectra-
dc.subject.keywordPlusELECTRONIC-STRUCTURE-
dc.subject.keywordPlusAQUEOUS DISPERSIONS-
dc.subject.keywordPlusCARBON NANOTUBES-
dc.subject.keywordPlusOXIDE-
dc.subject.keywordPlusPOLYMER-
dc.subject.keywordPlusC-60-
dc.subject.keywordPlusAGGREGATION-
dc.subject.keywordPlusFULLERENES-
dc.subject.keywordPlusDELIVERY-
dc.subject.keywordPlusCELLS-
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