화학공학소재연구정보센터
Journal of Industrial and Engineering Chemistry, Vol.14, No.5, 687-692, September, 2008
Radiolytic synthesis of Pd-M (M = Ag, Au, Cu, Ni and Pt) alloy nanoparticles and their use in reduction of 4-nitrophenol
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Polyvinylpyrrolidone, PVP, stabilized Pd-M (M = Ag, Au, Cu, Ni and Pt) alloy colloids are successfully prepared by g-irradiation in aqueous solution. PVP-stabilized Pd.M colloids are characterized by field-emission transmission electron microscopy (FE-TEM) and energy dispersive Xray spectroscopy (EDXS). The catalytic efficiency of Pd and Pd-M alloy colloids is analyzed for the reduction of 4-nitrophenol in aqueous solution at room temperature. The catalytic efficiency of Pd.M alloy nanoparticles takes the following order: Pd > Pd-Cu ~ Pd-Ni > Pd-Ag ~ Pd-Au > Pd-Pt.
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