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Article: Synthesis of a gold nanoparticle dimer plasmonic resonator through two-phase-mediated functionalization

TitleSynthesis of a gold nanoparticle dimer plasmonic resonator through two-phase-mediated functionalization
Authors
Issue Date2008
Citation
Nanotechnology, 2008, v. 19, n. 43 How to Cite?
AbstractWe report that Au nanoparticles, ligand-exchanged with a thiol ligand at the liquid-liquid interface, were dimerized using an N,N′- diisopropylcarbodiimide-mediated amide bond formation. This dimerization of 60 nm sized Au nanoparticles achieved 24% overall yield and was visually confirmed by transmission electron microscopy as well as by scanning electron microscopy images. The resultant electromagnetic field enhancement of a single Au nanoparticle dimer was proven by dark field spectroscopy which, in turn, made the Au nanoparticle dimer suitable for molecular sensing applications, such as in surface enhanced Raman spectroscopy. Our dimerization method demonstrated that the synthesis of Au nanoparticle dimers with a high yield and enhanced optical properties of the dimers were possible. Our methodology also has good prospects as regards the formation of nanoscale building blocks. © IOP Publishing Ltd.
Persistent Identifierhttp://hdl.handle.net/10722/256984
ISSN
2017 Impact Factor: 3.404
2015 SCImago Journal Rankings: 1.196
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorYim, Tae Jin-
dc.contributor.authorWang, Yuan-
dc.contributor.authorZhang, Xiang-
dc.date.accessioned2018-07-24T08:58:31Z-
dc.date.available2018-07-24T08:58:31Z-
dc.date.issued2008-
dc.identifier.citationNanotechnology, 2008, v. 19, n. 43-
dc.identifier.issn0957-4484-
dc.identifier.urihttp://hdl.handle.net/10722/256984-
dc.description.abstractWe report that Au nanoparticles, ligand-exchanged with a thiol ligand at the liquid-liquid interface, were dimerized using an N,N′- diisopropylcarbodiimide-mediated amide bond formation. This dimerization of 60 nm sized Au nanoparticles achieved 24% overall yield and was visually confirmed by transmission electron microscopy as well as by scanning electron microscopy images. The resultant electromagnetic field enhancement of a single Au nanoparticle dimer was proven by dark field spectroscopy which, in turn, made the Au nanoparticle dimer suitable for molecular sensing applications, such as in surface enhanced Raman spectroscopy. Our dimerization method demonstrated that the synthesis of Au nanoparticle dimers with a high yield and enhanced optical properties of the dimers were possible. Our methodology also has good prospects as regards the formation of nanoscale building blocks. © IOP Publishing Ltd.-
dc.languageeng-
dc.relation.ispartofNanotechnology-
dc.titleSynthesis of a gold nanoparticle dimer plasmonic resonator through two-phase-mediated functionalization-
dc.typeArticle-
dc.description.natureLink_to_subscribed_fulltext-
dc.identifier.doi10.1088/0957-4484/19/43/435605-
dc.identifier.scopuseid_2-s2.0-56349129803-
dc.identifier.volume19-
dc.identifier.issue43-
dc.identifier.spagenull-
dc.identifier.epagenull-
dc.identifier.eissn1361-6528-
dc.identifier.isiWOS:000259486700020-

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