Formic acid electrooxidation on thallium modified platinum single crystal electrodes

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dc.contributorElectroquímica de Superficieses_ES
dc.contributorElectroquímica Aplicada y Electrocatálisises_ES
dc.contributor.authorPerales-Rondón, Juan V.-
dc.contributor.authorBusó-Rogero, Carlos-
dc.contributor.authorSolla-Gullón, José-
dc.contributor.authorHerrero, Enrique-
dc.contributor.authorFeliu, Juan M.-
dc.contributor.otherUniversidad de Alicante. Departamento de Química Físicaes_ES
dc.contributor.otherUniversidad de Alicante. Instituto Universitario de Electroquímicaes_ES
dc.identifier.citationJournal of Electroanalytical Chemistry. 2017, 800: 82-88. doi:10.1016/j.jelechem.2016.09.020es_ES
dc.identifier.issn1572-6657 (Print)-
dc.identifier.issn1873-2569 (Online)-
dc.description.abstractFormic acid electrooxidation on Tl modified Pt single crystal electrodes has been carried out in sulfuric acid media. Voltammetric experiments demonstrated that Pt(100) modified by Tl displays a significant enhancement towards formic acid oxidation both lowering the oxidation onset potential and increasing the maximum current density in the positive going-sweep. A similar behavior has been observed in Pt(s)[(100)x(111)] stepped surfaces. On the other hand, for Pt(111) surfaces, the incorporation of Tl also induced a shift of the oxidation onset to lower potential values, a diminution of the hysteresis between the positive and negative going-sweep and also an increase of the oxidation currents. These results have been corroborated using in situ FTIR experiments, where the CO adsorption band disappears completely when Pt(100) and its vicinal surfaces are modified by Tl adatom, leading to the formation of CO2 at lower overvoltages.es_ES
dc.description.sponsorshipThis work has been financially supported by the MINECO (Spain) (projects CTQ2013-44083-P and CTQ2013-48280-C3-3-R) and Generalitat Valenciana (project PROMETEOII/2014/013, FEDER).es_ES
dc.rights© 2016 Elsevier B.V.es_ES
dc.subjectFormic acid oxidationes_ES
dc.subjectSingle crystal electrodeses_ES
dc.subject.otherQuímica Físicaes_ES
dc.titleFormic acid electrooxidation on thallium modified platinum single crystal electrodeses_ES
Appears in Collections:INV - LEQA - Artículos de Revistas
INV - EQSUP - Artículos de Revistas

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