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Ko, Hyunhyub
Functional Nanomaterials & Devices Lab
Research Interests
  • Functional nanomaterials, flexible electronics, electronic skins, wearable sensors

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Porous substrates for label-free molecular level detection of nonresonant organic molecules

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dc.contributor.author Ko, Hyunhyub ko
dc.contributor.author Chang, Sehoon ko
dc.contributor.author Tsukruk, Vladimir V. ko
dc.date.available 2014-10-02T08:51:15Z -
dc.date.created 2014-10-02 ko
dc.date.issued 2009-01 -
dc.identifier.citation ACS NANO, v.3, no.1, pp.181 - 188 ko
dc.identifier.issn 1936-0851 ko
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/6820 -
dc.identifier.uri http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=61849121366 ko
dc.description.abstract We report on the design of practical surface enhanced Raman scattering (SERS) substrate based upon 3D alumina membranes with cylindrical nanopores chemically modified with polyelectrolyte coating and loaded with gold nanoparticle clusters. These substrates allow for a molecular-level, label-free detection of common plastic explosive materials (TNT, DNT) down to 5-10 zeptograms or 15-30 molecules and a common liquid explosive (HMTD) down to 1 picogram. Such a sensitive detection of organic molecules by utilizing efficient SERS substrates opens the path for affordable and label-free detection of trace amount of practically important chemical compounds. ko
dc.description.statementofresponsibility close -
dc.language ENG ko
dc.publisher AMER CHEMICAL SOC ko
dc.subject Explosives detection ko
dc.subject Gold nanoparticles ko
dc.subject Nanoporous structures ko
dc.subject Surface enhanced Raman scattering (SERS) ko
dc.title Porous substrates for label-free molecular level detection of nonresonant organic molecules ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-61849121366 ko
dc.identifier.wosid 000262953200026 ko
dc.type.rims ART ko
dc.description.wostc 81 *
dc.description.scopustc 84 *
dc.date.tcdate 2015-05-06 *
dc.date.scptcdate 2014-10-02 *
dc.identifier.doi 10.1021/nn800569f ko
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