DC Field | Value | Language |
---|---|---|
dc.contributor.author | Kim, Sung Yeop | ko |
dc.contributor.author | Kim, Jieun | ko |
dc.contributor.author | Choe, Jaehoon | ko |
dc.contributor.author | Byun, Young Chang | ko |
dc.contributor.author | Seo, Jung Hyun | ko |
dc.contributor.author | Kim, DoHyun | ko |
dc.date.accessioned | 2014-08-27T02:26:16Z | - |
dc.date.available | 2014-08-27T02:26:16Z | - |
dc.date.created | 2014-01-20 | - |
dc.date.created | 2014-01-20 | - |
dc.date.issued | 2013-11 | - |
dc.identifier.citation | JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY, v.13, no.11, pp.7600 - 7609 | - |
dc.identifier.issn | 1533-4880 | - |
dc.identifier.uri | http://hdl.handle.net/10203/187362 | - |
dc.description.abstract | Inspired by adhesive proteins excreted by marine mussels, dopamine can act as a versatile surface modification agent for various organic and inorganic materials. By using adhesive polydopamine (PDA) as an intermediate layer, a simple and novel method for fabricating nickel-PDA-silver (Ni-PDA-Ag) bimetallic composite particles was developed. Ni-PDA-Ag bimetallic particles were fabricated by dispersing Ni particles in an aqueous dopamine solution followed by electroless Ag plating on the prepared Ni-PDA particles. A PDA layer with nano-meter thickness was deposited spontaneously on the surface of the Ni particles by oxidative self-polymerization of dopamine under alkaline conditions. Electroless Ag plating on the prepared Ni-PDA particles was carried out in the presence of a glucose solution as a reducing agent. Ni-PDA particles and Ni-PDA-Ag composite particles with a PDA intermediate layer were characterized by X-ray photoelectron spectroscopy (XPS), Fourier-transform infrared (FT-IR) spectroscopy, field-emission scanning electron microscopy (FE-SEM), field-emission transmission electron microscopy (FE-TEM), and X-ray diffraction (XRD). In addition, the electrical conductivity of as-prepared composite particles was evaluated by a 4-point probe. The PDA layer deposited on the surface of Ni was confirmed by XPS spectra, FT-IR spectroscopy, and FE-TEM. FE-SEM images demonstrated that Ag nanoparticles were successfully plated on the PDA layer-coated Ni particles after the electroless Ag plating process. XRD patterns also confirmed the presence of Ag in a metallic state. In addition, the sheet resistance of as-prepared composite particles showed a tendency to decrease with increasing AgNO3 concentration. | - |
dc.language | English | - |
dc.publisher | AMER SCIENTIFIC PUBLISHERS | - |
dc.subject | NANOPARTICLES | - |
dc.subject | DEPOSITION | - |
dc.subject | DOPAMINE | - |
dc.subject | FUNCTIONALIZATION | - |
dc.subject | MICROSPHERES | - |
dc.subject | SURFACES | - |
dc.subject | SILICA | - |
dc.subject | FILMS | - |
dc.title | Fabrication of Electrically Conductive Nickel-Silver Bimetallic Particles via Polydopamine Coating | - |
dc.type | Article | - |
dc.identifier.wosid | 000328706800070 | - |
dc.identifier.scopusid | 2-s2.0-84891515299 | - |
dc.type.rims | ART | - |
dc.citation.volume | 13 | - |
dc.citation.issue | 11 | - |
dc.citation.beginningpage | 7600 | - |
dc.citation.endingpage | 7609 | - |
dc.citation.publicationname | JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY | - |
dc.identifier.doi | 10.1166/jnn.2013.7827 | - |
dc.embargo.liftdate | 9999-12-31 | - |
dc.embargo.terms | 9999-12-31 | - |
dc.contributor.localauthor | Kim, DoHyun | - |
dc.contributor.nonIdAuthor | Kim, Sung Yeop | - |
dc.contributor.nonIdAuthor | Kim, Jieun | - |
dc.contributor.nonIdAuthor | Choe, Jaehoon | - |
dc.contributor.nonIdAuthor | Byun, Young Chang | - |
dc.contributor.nonIdAuthor | Seo, Jung Hyun | - |
dc.type.journalArticle | Article | - |
dc.subject.keywordAuthor | Mussel-Inspired Surface Modification | - |
dc.subject.keywordAuthor | Polydopamine | - |
dc.subject.keywordAuthor | Surface Metallization | - |
dc.subject.keywordAuthor | Electroless Plating | - |
dc.subject.keywordAuthor | Bimetallic Composite Particles | - |
dc.subject.keywordPlus | NANOPARTICLES | - |
dc.subject.keywordPlus | DEPOSITION | - |
dc.subject.keywordPlus | DOPAMINE | - |
dc.subject.keywordPlus | FUNCTIONALIZATION | - |
dc.subject.keywordPlus | MICROSPHERES | - |
dc.subject.keywordPlus | SURFACES | - |
dc.subject.keywordPlus | SILICA | - |
dc.subject.keywordPlus | FILMS | - |
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