Preparatin of Ag, Pd, and Pt50-Ru50 colloids prerared by r-irradiation and electron beam and electrochemical immobilization on gold surface

최성호; 김경희; 서강덕; 오성대; 오상협; 우진춘; 이광필; A.Gopalan

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P-ISSN1225-0163
E-ISSN2288-8985
SCOPUS, ESCI, KCI

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P-ISSN 1225-0163
E-ISSN 2288-8985

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19권 4호

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Preparatin of Ag, Pd, and Pt50-Ru50 colloids prerared by r-irradiation and electron beam and electrochemical immobilization on gold surface

분석과학 / Analytical Science and Technology, (P)1225-0163; (E)2288-8985

2006, v.19 no.4, pp.333-341

최성호 (한남대학교)
김경희 (한국표준과학연구원)
서강덕 (경북대학교)
오성대
오상협
우진춘
이광필
A.Gopalan

최성호, 김경희, 서강덕, 오성대, 오상협, 우진춘, 이광필, & A.Gopalan, (2006). . , 19(4), 333-341.

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Abstract

PVP-protected Ag, Pd and $Pt_{50}-Ru_{50}$ colloids were prepared independently by using ${\gamma}$-irradiation and electron beam (EB) at ambient temperature. UV-visible spectra of these colloids show the characteristic bands of surface resonance and give evidence for the formation of nanoparticles. Transmission electron microscopy (TEM) experiments were used to know the morphology of nanoparticles prepared by ${\gamma}$-irradiation and EB. The size of Ag, Pd, and $Pt_{50}-Ru_{50}$ nanoparticles prepared by ${\gamma}$-irradiation was ca. 13, 2-3, 15 nm, respectively. While, the size of Ag, Pd, and $Pt_{50}-Ru_{50}$ nanoparticles prepared by EB was ca. 10, 6, and 1-3 nm, respectively. Cyclic voltamograms (CV) were recorded for the Au electrodes immobilized with these nanoparticles. CVs indicated the modifications in the surface as a result of immobilization.

keywords: <TEX>${\gamma}$</TEX>-Irradiation, Electron beam, Ag colloids, Pd colloids, <TEX>$Pt_{50}-Ru_{50}$</TEX> colloids, Cyclic voltammetry

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Preparatin of Ag, Pd, and Pt50-Ru50 colloids prerared by r-irradiation and electron beam and electrochemical immobilization on gold surface

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