Au-Ag Core-Shell Nanoparticle Array by Block Copolymer Lithography for Synergistic Broadband Plasmonic Properties

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dc.contributor.authorCha, Seung Keunko
dc.contributor.authorMun, Jeong-Hoko
dc.contributor.authorChang, Taeyongko
dc.contributor.authorKim, Sang-Yunko
dc.contributor.authorKim, Ju-Youngko
dc.contributor.authorJin, Hyeong-Minko
dc.contributor.authorLee, Jeong-Yongko
dc.contributor.authorShin, Jonghwako
dc.contributor.authorKim, Kwang Hoko
dc.contributor.authorKim, Sang-Oukko
dc.date.accessioned2015-07-21T04:49:41Z-
dc.date.available2015-07-21T04:49:41Z-
dc.date.created2015-06-30-
dc.date.created2015-06-30-
dc.date.created2015-06-30-
dc.date.created2015-06-30-
dc.date.issued2015-05-
dc.identifier.citationACS NANO, v.9, no.5, pp.5536 - 5543-
dc.identifier.issn1936-0851-
dc.identifier.urihttp://hdl.handle.net/10203/199786-
dc.description.abstractLocalized surface plasmon resonance of metallic nanostructures receives noticeable attention in photonics, electronics, catalysis, and so on. Core shell nanostructures are particularly attractive due to the versatile tunability of plasmonic properties along with the independent control of core size, shell thickness, and corresponding chemical composition, but they commonly suffer from difficult synthetic procedures. We present a reliable and controllable route to a highly ordered uniform Au@Ag core shell nanoparticle array via block copolymer lithography and subsequent seeded-shell growth. Size-tunable monodisperse Au nanodot arrays are generated by block copolymer self-assembly and are used as seed layers to grow Ag shells with variable thickness. The resultant Au@Ag core shell nanoparticle arrays exhibit widely tunable broadband enhancement of plasmonic resonance, greatly surpassing single-element nanoparticle or homogeneous alloy nanoparticle arrays. Surface-enhanced Raman scattering of the core shell nanoparticle arrays showed an enhancement factor greater than 270 from Au nanoparticle arrays.-
dc.languageEnglish-
dc.publisherAMER CHEMICAL SOC-
dc.titleAu-Ag Core-Shell Nanoparticle Array by Block Copolymer Lithography for Synergistic Broadband Plasmonic Properties-
dc.typeArticle-
dc.identifier.wosid000355383000090-
dc.identifier.scopusid2-s2.0-84930676580-
dc.type.rimsART-
dc.citation.volume9-
dc.citation.issue5-
dc.citation.beginningpage5536-
dc.citation.endingpage5543-
dc.citation.publicationnameACS NANO-
dc.identifier.doi10.1021/acsnano.5b01641-
dc.contributor.localauthorLee, Jeong-Yong-
dc.contributor.localauthorShin, Jonghwa-
dc.contributor.localauthorKim, Sang-Ouk-
dc.contributor.nonIdAuthorKim, Kwang Ho-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorblock copolymer-
dc.subject.keywordAuthornanoparticle-
dc.subject.keywordAuthorplasmon-
dc.subject.keywordAuthorbimetal-
dc.subject.keywordAuthorself-assembly-
dc.subject.keywordAuthorblock copolymer-
dc.subject.keywordAuthornanoparticle-
dc.subject.keywordAuthorplasmon-
dc.subject.keywordAuthorbimetal-
dc.subject.keywordAuthorself-assembly-
dc.subject.keywordPlusSEQUENTIAL INFILTRATION SYNTHESIS-
dc.subject.keywordPlusENHANCED RAMAN-SCATTERING-
dc.subject.keywordPlusMETAL NANOSTRUCTURES-
dc.subject.keywordPlusALLOY NANOPARTICLES-
dc.subject.keywordPlusGOLD NANOPARTICLES-
dc.subject.keywordPlusHOLLOW INTERIORS-
dc.subject.keywordPlusCONTROLLED SIZES-
dc.subject.keywordPlusNANOCRYSTALS-
dc.subject.keywordPlusRESONANCES-
dc.subject.keywordPlusTEMPLATES-
dc.subject.keywordPlusSEQUENTIAL INFILTRATION SYNTHESIS-
dc.subject.keywordPlusENHANCED RAMAN-SCATTERING-
dc.subject.keywordPlusMETAL NANOSTRUCTURES-
dc.subject.keywordPlusALLOY NANOPARTICLES-
dc.subject.keywordPlusGOLD NANOPARTICLES-
dc.subject.keywordPlusHOLLOW INTERIORS-
dc.subject.keywordPlusCONTROLLED SIZES-
dc.subject.keywordPlusNANOCRYSTALS-
dc.subject.keywordPlusRESONANCES-
dc.subject.keywordPlusTEMPLATES-
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