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Cited 28 time in webofscience Cited 29 time in scopus
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dc.contributor.authorLee, D-
dc.contributor.authorKim, S-
dc.contributor.authorJeon, S-
dc.contributor.authorThundat, T-
dc.date.accessioned2016-03-31T07:41:42Z-
dc.date.available2016-03-31T07:41:42Z-
dc.date.created2015-02-04-
dc.date.issued2014-05-20-
dc.identifier.issn0003-2700-
dc.identifier.other2014-OAK-0000031511-
dc.identifier.urihttps://oasis.postech.ac.kr/handle/2014.oak/13911-
dc.description.abstractWe have developed a highly selective and sensitive nanomechanical infrared (IR) calorimetric spectrometer for use in the direct detection of ultralow concentrations of explosive vapors using a nanoporous TiO2 cantilever. These cantilevers were fabricated using a two-step anodization and photolithography process. By patterning nanoscale wells onto a cantilever, its surface area is increased by 2 orders of magnitude and the surface is converted into a preconcentrator. Resonant excitation of adsorbed molecules using IR radiation causes the cantilever to bend due to temperature changes originating from the nonradiative decay process. The porous structure of the cantilever increases its thermomechanical sensitivity as well as the number of adsorbed molecules. The system performance was demonstrated by detecting binary explosive mixtures under ambient conditions. The TiO2 sensor surface also allows regeneration through the photocatalytic decomposition of adsorbates under UV irradiation.-
dc.description.statementofresponsibilityX-
dc.languageEnglish-
dc.publisherAMER CHEMICAL SOC-
dc.relation.isPartOfANALYTICAL CHEMISTRY-
dc.titleDirect Detection and Speciation of Trace Explosives Using a Nanoporous Multifunctional Microcantilever-
dc.typeArticle-
dc.contributor.college화학공학과-
dc.identifier.doi10.1021/AC500745G-
dc.author.googleLee, D-
dc.author.googleKim, S-
dc.author.googleJeon, S-
dc.author.googleThundat, T-
dc.relation.volume86-
dc.relation.issue10-
dc.relation.startpage5077-
dc.relation.lastpage5082-
dc.contributor.id10132035-
dc.relation.journalANALYTICAL CHEMISTRY-
dc.relation.indexSCI급, SCOPUS 등재논문-
dc.relation.sciSCI-
dc.collections.nameJournal Papers-
dc.type.rimsART-
dc.identifier.bibliographicCitationANALYTICAL CHEMISTRY, v.86, no.10, pp.5077 - 5082-
dc.identifier.wosid000336418600060-
dc.date.tcdate2019-01-01-
dc.citation.endPage5082-
dc.citation.number10-
dc.citation.startPage5077-
dc.citation.titleANALYTICAL CHEMISTRY-
dc.citation.volume86-
dc.contributor.affiliatedAuthorJeon, S-
dc.identifier.scopusid2-s2.0-84901249401-
dc.description.journalClass1-
dc.description.journalClass1-
dc.description.wostc16-
dc.description.scptc16*
dc.date.scptcdate2018-05-121*
dc.type.docTypeArticle-
dc.subject.keywordPlusPHOTOTHERMAL SPECTROSCOPY-
dc.subject.keywordPlusVAPOR-
dc.subject.keywordPlusRECOGNITION-
dc.subject.keywordPlusADSORPTION-
dc.subject.keywordPlusSURFACES-
dc.subject.keywordPlusRDX-
dc.relation.journalWebOfScienceCategoryChemistry, Analytical-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.relation.journalResearchAreaChemistry-

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전상민JEON, SANGMIN
Dept. of Chemical Enginrg
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