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Structural effects in electrocatalysis: Oxygen reduction on the gold single crystal electrodes with (110) and (111) orientations
dc.creator | Marković, Nenad M. | |
dc.creator | Adžić, Radoslav R. | |
dc.creator | Vešović, V. B. | |
dc.date.accessioned | 2021-02-03T20:23:32Z | |
dc.date.available | 2021-02-03T20:23:32Z | |
dc.date.issued | 1984 | |
dc.identifier.issn | 0022-0728 | |
dc.identifier.issn | 1572-6657 | |
dc.identifier.uri | https://cer.ihtm.bg.ac.rs/handle/123456789/4196 | |
dc.description.abstract | The kinetics of O2 reduction on the Au (110) and the Au (111) single crystal electrodes have been examined using the rotating disc method. The quality of the surfaces has been determined by Auger electron spectroscopy and LEED. Two electrons are exchanged in O2 reduction on both surfaces. HO2 appears completely stable on the (111) face. The half-wave potential for the Au (110) surface is ca. 70 mV more positive than that for the Au (111) face. The cathodic and anodic kinetic data for the O2/HO2 and HO2−/OH− couples support the mechanism with the following initial two steps: O2+e−→O2−(ads) 2 O2−(ads)+H2O→HO2−+O2+OH− Slow further reduction of HO2−, which occurs on the Au (110) face, is controlled by a chemical reaction. The higher activity of the Au (110) face is explained by some reduction of HO2− on a partially discharged OH−, whose adsorption on the Au (111) face is negligible. | sr |
dc.language.iso | en | sr |
dc.publisher | Elsevier | sr |
dc.relation | Research Fund of Serbia, Serbian Academy of Sciences, Yugoslavia | sr |
dc.relation | Department of Energy, Washington, U.S.A., Contract Energy 427 | sr |
dc.rights | restrictedAccess | sr |
dc.source | Journal of Electroanalytical Chemistry and Interfacial Electrochemistry | sr |
dc.subject | Auger electron spectroscopy | sr |
dc.subject | rotating disc method | sr |
dc.subject | O2 reduction | sr |
dc.subject | Kinetics | sr |
dc.subject | single crystal electrodes | sr |
dc.title | Structural effects in electrocatalysis: Oxygen reduction on the gold single crystal electrodes with (110) and (111) orientations | sr |
dc.type | article | sr |
dc.rights.license | ARR | sr |
dcterms.abstract | Марковић, Ненад М.; Aджић, Радослав Р.; Вешовић, В. Б.; | |
dc.citation.volume | 165 | |
dc.citation.issue | 1-2 | |
dc.citation.spage | 121 | |
dc.citation.epage | 133 | |
dc.identifier.doi | 10.1016/S0022-0728(84)80091-1 | |
dc.identifier.scopus | 2-s2.0-0021425008 | |
dc.type.version | publishedVersion | sr |