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Electrocatalytic activity of nano-sized Ebonex/Pt for underpotential deposition of hydrogen
dc.creator | Vračar, Ljiljana M | |
dc.creator | Krstajić, Nedeljko V | |
dc.creator | Elezović, Nevenka R. | |
dc.date.accessioned | 2022-04-05T14:08:33Z | |
dc.date.available | 2022-04-05T14:08:33Z | |
dc.date.issued | 2006 | |
dc.identifier.issn | 1662-9752 (Online) | |
dc.identifier.issn | 0255-5476 (Print) | |
dc.identifier.uri | http://rimsi.imsi.bg.ac.rs/handle/123456789/156 | |
dc.description.abstract | The underpotential deposition of hydrogen was studied in 0.5 mol dm(-3) HClO4 solution on an electrode based on Ebonex-supported platinum electrocatalyst spread on rotation Au disk electrode (Ebonex/Pt). Pt catalyst was prepared by the impregnation method from 2-propanol solution of Pt(NH3)(2)(NO2)(2) and Ebonex powder. Ebonex support (nonstoichiometric mixture of titanium oxides) was characterized by: X-ray diffraction (XRD), energy dispersive X-ray spectroscopy (EDX) and BET techniques. The synthesized catalyst was analyzed by TEM technique. Voltammetric profiles at the Ebonex/Pt catalyst surface in 0.5 mol dm(-3) HClO4 aqueous solution obtained at different temperatures with the evaluation of the temperature effect on the reversible adsorption of the H-upd state are presented and the thermodynamic state functions for H adatom adsorption process are calculated. The chemisorptive energy strength of the Ebonex/Pt-H state is estimated in order to establish the relationship between the surface structure and the electrocatalytic activity of Ebonex/Pt electrode and compare it to the one for smooth polycrystalline Pt. | en |
dc.publisher | Trans Tech Publications Ltd | |
dc.rights | restrictedAccess | |
dc.source | Materials Science Forum | |
dc.subject | nano-sized catalyst | en |
dc.subject | hydrogen underpotential deposition | en |
dc.subject | Ebonex | en |
dc.title | Electrocatalytic activity of nano-sized Ebonex/Pt for underpotential deposition of hydrogen | en |
dc.type | article | |
dc.rights.license | ARR | |
dc.citation.epage | 258 | |
dc.citation.other | 518: 253-258 | |
dc.citation.spage | 253 | |
dc.citation.volume | 518 | |
dc.identifier.doi | 10.4028/www.scientific.net/msf.518.253 | |
dc.identifier.scopus | 2-s2.0-37849018171 | |
dc.identifier.wos | 000239351800042 | |
dc.type.version | publishedVersion |
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