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College of Engineering(공과대학)Dept. of Materials Science and Engineering(신소재공학과)MS-Journal Papers(저널논문)

Self-adhesive graphene oxide-wrapped TiO2 nanoparticles for UV-activated colorimetric oxygen detection

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dc.contributor.authorSon, Eunjinko
dc.contributor.authorLee, Joon-Seokko
dc.contributor.authorLee, Min-Ahko
dc.contributor.authorChau Hai Thai Vuko
dc.contributor.authorLee, Hanako
dc.contributor.authorWon, Keehoonko
dc.contributor.authorPark, Chan-Beumko
dc.date.accessioned2015-11-20T07:30:47Z-
dc.date.available2015-11-20T07:30:47Z-
dc.date.created2015-05-06-
dc.date.created2015-05-06-
dc.date.issued2015-07-
dc.identifier.citationSENSORS AND ACTUATORS B-CHEMICAL, v.213, pp.322 - 328-
dc.identifier.issn0925-4005-
dc.identifier.urihttp://hdl.handle.net/10203/200711-
dc.description.abstractWe first report on the synthesis of graphene oxide-wrapped TiO2 nanoparticles (GO-TiO2 NPs) as a self-adhesive photocatalyst for UV-activated colorimetric oxygen detection. Methylene blue (MB), a redox dye for colorimetric oxygen indication, strongly adsorbed onto GO-TiO2 NPs by both electrostatic and pi-pi stacking interactions. The chemical attraction between GO and MB significantly decreased dye leakage, which is a serious problem of colorimetric oxygen indicators; MB leaching from GO-TiO2-based film was fivefold lower than that from conventional TiO2-based film. This novel MB/GO-TiO2/glycerol/hydroxyethyl cellulose film was successfully bleached by UV irradiation, and it regained its blue color rapidly in the presence of oxygen, demonstrating its useful functionality as a UV-activated colorimetric oxygen indicator.-
dc.languageEnglish-
dc.publisherELSEVIER SCIENCE SA-
dc.subjectMETHYLENE-BLUE DYE-
dc.subjectCARBON NANOTUBES-
dc.subjectINTELLIGENCE INK-
dc.subjectINDICATOR FILMS-
dc.subjectADSORPTION-
dc.subjectFOOD-
dc.subjectPHOTOCATALYST-
dc.titleSelf-adhesive graphene oxide-wrapped TiO2 nanoparticles for UV-activated colorimetric oxygen detection-
dc.typeArticle-
dc.identifier.wosid000352152500042-
dc.identifier.scopusid2-s2.0-84924778236-
dc.type.rimsART-
dc.citation.volume213-
dc.citation.beginningpage322-
dc.citation.endingpage328-
dc.citation.publicationnameSENSORS AND ACTUATORS B-CHEMICAL-
dc.identifier.doi10.1016/j.snb.2015.02.084-
dc.contributor.localauthorPark, Chan-Beum-
dc.contributor.nonIdAuthorChau Hai Thai Vu-
dc.contributor.nonIdAuthorLee, Hana-
dc.contributor.nonIdAuthorWon, Keehoon-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorColorimetric oxygen sensing-
dc.subject.keywordAuthorGraphene oxide-
dc.subject.keywordAuthorTiO2 nanoparticles-
dc.subject.keywordAuthorMethylene blue-
dc.subject.keywordAuthorUV activation-
dc.subject.keywordPlusMETHYLENE-BLUE DYE-
dc.subject.keywordPlusCARBON NANOTUBES-
dc.subject.keywordPlusINTELLIGENCE INK-
dc.subject.keywordPlusINDICATOR FILMS-
dc.subject.keywordPlusADSORPTION-
dc.subject.keywordPlusFOOD-
dc.subject.keywordPlusPHOTOCATALYST-
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MS-Journal Papers(저널논문)
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