Electrochemical features of Pt(S)[n(110) × (100)] surfaces in acidic media
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Título: | Electrochemical features of Pt(S)[n(110) × (100)] surfaces in acidic media |
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Autor/es: | Souza-Garcia, Janaina | Angelucci, Camilo Andrea | Climent, Victor | Feliu, Juan M. |
Grupo/s de investigación o GITE: | Electroquímica de Superficies |
Centro, Departamento o Servicio: | Universidad de Alicante. Departamento de Química Física | Universidad de Alicante. Instituto Universitario de Electroquímica |
Palabras clave: | Platinum single crystal | Pt(110) | Stepped surfaces | Cyclic voltammetry | Potential of zero total charge | Third peak |
Área/s de conocimiento: | Química Física |
Fecha de publicación: | sep-2013 |
Editor: | Elsevier |
Cita bibliográfica: | Electrochemistry Communications. 2013, 34: 291-294. doi:10.1016/j.elecom.2013.07.007 |
Resumen: | Experiments have been carried out in sulfuric and perchloric acid solutions on Pt(S)[n(110) × (100)] electrodes. The comparison between the two different electrolytic media reveals an important influence of the anion in the voltammetric features. Total charge curves have been obtained with the CO charge displacement method in combination with voltammetric measurements. From these curves, the dependence of the pztc with the step density and the strength of the anion adsorption have been analyzed. The problem of the so-called third peak is treated for a series of electrodes that contain (110) terraces, revealing the requirement of (110) domains for occurrence of this adsorption state. |
Patrocinador/es: | Financial support from the MEC (Spain) through project CTQ2010-16271 (Feder) is gratefully acknowledged. |
URI: | http://hdl.handle.net/10045/38748 |
ISSN: | 1388-2481 (Print) | 1873-1902 (Online) |
DOI: | 10.1016/j.elecom.2013.07.007 |
Idioma: | eng |
Tipo: | info:eu-repo/semantics/article |
Revisión científica: | si |
Versión del editor: | http://dx.doi.org/10.1016/j.elecom.2013.07.007 |
Aparece en las colecciones: | INV - EQSUP - Artículos de Revistas |
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2013_Souza_etal_ElectCom_final.pdf | Versión final (acceso restringido) | 754,52 kB | Adobe PDF | Abrir Solicitar una copia |
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