Synthesis and characterization of flower-shaped porous Au-Pd alloy nanoparticles

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dc.contributor.authorLee, Young Wookko
dc.contributor.authorKim, Nam Hoonko
dc.contributor.authorLee, Kang Yeolko
dc.contributor.authorKwon, Kihyunko
dc.contributor.authorKim, Minjungko
dc.contributor.authorHan, Sang Wooko
dc.date.accessioned2013-03-06T21:38:07Z-
dc.date.available2013-03-06T21:38:07Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued2008-05-
dc.identifier.citationJOURNAL OF PHYSICAL CHEMISTRY C, v.112, no.17, pp.6717 - 6722-
dc.identifier.issn1932-7447-
dc.identifier.urihttp://hdl.handle.net/10203/88554-
dc.description.abstractA facile synthesis of flower-shaped porous Au-Pd alloy nanoparticles with ascorbic acid as a reductant and PVP as a stabilizing agent is presented. The alloy nanoparticles were prepared from the aqueous solutions of HAuCl4/K2PdCl4 mixtures in molar ratios of 3: 1, 1: 1, and 1:3. The size, structure, optical properties, and composition distribution of the synthesized Au-Pd alloy nanoparticles were characterized by transmission electron microscopy, energy-dispersive X-ray spectroscopy, UV-vis spectroscopy, and X-ray diffraction. The experimental results for the bimetallic systems and the physical mixtures of individual monometallic nanoparticles revealed that unstable small nanoparticles aggregate into the three-dimensional flower-shaped nanoparticles and the prepared nanoparticles are Au-Pd alloys. The surfaces of Au-Pd alloy nanoparticles were characterized by cyclic voltammetry measurement in 0.1 M HClO4 and surface-enhanced Raman scattering spectra of 1,4-phenylene diisocyanide adsorbed thereon. All alloy nanoparticles have a Pd-enriched surface.-
dc.languageEnglish-
dc.publisherAMER CHEMICAL SOC-
dc.titleSynthesis and characterization of flower-shaped porous Au-Pd alloy nanoparticles-
dc.typeArticle-
dc.identifier.wosid000255292400020-
dc.identifier.scopusid2-s2.0-47149085246-
dc.type.rimsART-
dc.citation.volume112-
dc.citation.issue17-
dc.citation.beginningpage6717-
dc.citation.endingpage6722-
dc.citation.publicationnameJOURNAL OF PHYSICAL CHEMISTRY C-
dc.identifier.doi10.1021/jp710933d-
dc.contributor.localauthorHan, Sang Woo-
dc.contributor.nonIdAuthorLee, Young Wook-
dc.contributor.nonIdAuthorKim, Nam Hoon-
dc.contributor.nonIdAuthorLee, Kang Yeol-
dc.contributor.nonIdAuthorKwon, Kihyun-
dc.contributor.nonIdAuthorKim, Minjung-
dc.type.journalArticleArticle-
dc.subject.keywordPlusENHANCED RAMAN-SCATTERING-
dc.subject.keywordPlusBIMETALLIC NANOPARTICLES-
dc.subject.keywordPlusCATALYTIC-ACTIVITY-
dc.subject.keywordPlusPLATINUM NANOPARTICLES-
dc.subject.keywordPlusGOLD NANOPARTICLES-
dc.subject.keywordPlusREVERSE MICELLES-
dc.subject.keywordPlusAQUEOUS-SOLUTION-
dc.subject.keywordPlusSILVER-
dc.subject.keywordPlusMETAL-
dc.subject.keywordPlusNANOSTRUCTURES-
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