Platinum-Decorated Ruthenium Nanoparticles for Enhanced Methanol Electrooxidation

dc.contributor 國立臺灣師範大學化學系 zh_tw C.-H. Chen en_US L. S. Sarma en_US D. -Y. Wang en_US F.-J. Lai en_US C.-C. AI Andra en_US S.-H. Chang en_US D.-G. Liu en_US Chia-Chun Chen en_US J.-F. Lee en_US B.-J. Hwang en_US 2014-12-02T06:41:35Z 2014-12-02T06:41:35Z 2010-02-08 zh_TW
dc.description.abstract A promising electrocatalyst based on the reduction of Pt2+ ions on the surface of hexagonally close-packed (hcp) Ru core nanoparticles has been prepared by a redox–transmetalation process. This simple synthetic process generates a Pt-on-Ru catalyst with a lower Pt content than commercially available Pt[BOND]Ru electrocatalysts and with a long-range ordered hcp structure, which can significantly reduce the Pt loading. X-Ray absorption spectroscopy of the Pt-on-Ru catalyst reveals pronounced electronic modifications when compared to the commercial Pt[BOND]Ru black catalyst. The Pt-on-Ru catalyst exhibits a higher mass-specific current than the Pt[BOND]Ru black catalyst in solution in 0.5 m H2SO4 with 10 vol. % CH3OH under the conditions of rotating disk experiments. Further optimization of this synthetic procedure may yield even more active electrocatalysts with a significant reduction in noble metal loadings. en_US
dc.description.uri zh_TW
dc.identifier ntnulib_tp_C0301_01_062 zh_TW
dc.identifier.issn 1867-3880 zh_TW
dc.language en_US zh_TW
dc.publisher Wiley-VCH Verlag en_US
dc.relation ChemCatChem, 2(2), 159-166. en_US
dc.relation.uri zh_TW
dc.subject.other electrocatalysis en_US
dc.subject.other electrochemistry en_US
dc.subject.other fuel cells en_US
dc.subject.other nanoparticles en_US
dc.subject.other X-ray absorption spectroscopy en_US
dc.title Platinum-Decorated Ruthenium Nanoparticles for Enhanced Methanol Electrooxidation en_US