Controlling alloy formation and optical properties by galvanic replacement of sub-20 nm silver nanoparticles in organic media

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dc.contributor.authorCollins, Gillian
dc.contributor.authorMcCarthy, Eoin K.
dc.contributor.authorHolmes, Justin D.
dc.contributor.funderScience Foundation Irelanden
dc.date.accessioned2016-01-25T12:17:14Z
dc.date.available2016-01-25T12:17:14Z
dc.date.issued2015-06-01
dc.date.updated2015-09-21T14:41:32Z
dc.description.abstractGalvanic replacement is a versatile synthetic strategy for the synthesis of alloy and hollow nanostructures. The structural evolution of single crystalline and multiply twinned nanoparticles <20 nm in diameter and capped with oleylamine is systematically studied. Changes in chemical composition are dependent on the size and crystallinity of the parent nanoparticle. The effects of reaction temperature and rate of precursor addition are also investigated. Galvanic replacement of single crystal spherical and truncated cubic nanoparticles follows the same mechanism to form hollow octahedral nanoparticles, a mechanism which is not observed for galvanic replacement of Ag templates in aqueous systems. Multiply twinned nanoparticles can form nanorings or solid alloys by manipulating the reaction conditions. Oleylamine-capped Ag nanoparticles are highly adaptable templates to synthesize a range of hollow and alloy nanostructures with tuneable localised surface plasmon resonance.en
dc.description.sponsorshipScience Foundation Ireland (SFI/12/RC/2278 )en
dc.description.statusPeer revieweden
dc.description.versionSubmitted Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationCOLLINS, G., MCCARTHY, E. K. & HOLMES, J. D. 2015. Controlling alloy formation and optical properties by galvanic replacement of sub-20 nm silver nanoparticles in organic media. CrystEngComm, 17, 6999-7005. http://dx.doi.org/10.1039/C5CE00659Gen
dc.identifier.doi10.1039/c5ce00659g
dc.identifier.endpage7005en
dc.identifier.issn1466-8033
dc.identifier.issued36en
dc.identifier.journaltitleCrystal Engineering Communicationsen
dc.identifier.startpage6999en
dc.identifier.urihttps://hdl.handle.net/10468/2209
dc.identifier.volume17en
dc.language.isoenen
dc.publisherThe Royal Society of Chemistryen
dc.subjectNoble-metal nanoparticlesen
dc.subjectHollow golden
dc.subjectNanostructuresen
dc.subjectAgen
dc.subjectNanocrystalsen
dc.subjectNanoframesen
dc.subject~Chemistry - Journal Articles~en
dc.subject~Tyndall National Institute - Journal Articles~en
dc.titleControlling alloy formation and optical properties by galvanic replacement of sub-20 nm silver nanoparticles in organic mediaen
dc.title.alternativeGalvanic replacement of sub 20 nm Ag nanoparticles in organic mediaen
dc.typeArticle (peer-reviewed)en
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