2012
DOI: 10.1016/j.electacta.2012.08.112
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EIS characterization of Sn|Sn(II), gluconic acid system

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Cited by 9 publications
(6 citation statements)
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“…Similar effects were also observed in the Sn(II)-gluconate system where the reduction of Sn(II) was found to be accompanied by adsorption phenomena whose inhibitive character increased with solution pH. 39,40 It can be concluded that the composition of Cu-Zn coatings should depend on both the solution composition and electrolysis parameters, and this is clearly seen from the EDS and XPS data. At 932.5 eV, Cu 2p 3/2 XP spectra contain a peak that can be attributed to Cu 0 (metal state) and Cu 2 O.…”
Section: Resultssupporting
confidence: 65%
“…Similar effects were also observed in the Sn(II)-gluconate system where the reduction of Sn(II) was found to be accompanied by adsorption phenomena whose inhibitive character increased with solution pH. 39,40 It can be concluded that the composition of Cu-Zn coatings should depend on both the solution composition and electrolysis parameters, and this is clearly seen from the EDS and XPS data. At 932.5 eV, Cu 2p 3/2 XP spectra contain a peak that can be attributed to Cu 0 (metal state) and Cu 2 O.…”
Section: Resultssupporting
confidence: 65%
“…The exchange current density describes the equilibrium electron transfer rate of the oxidized and reduced species. The exchange current density parameters were evaluated by using the Butler–Volmer Equation (S3) [ 62 , 63 , 64 ].…”
Section: Resultsmentioning
confidence: 99%
“…A partir de los parámetros experimentales, se obtuvo el valor de 6,2 x10 -6 cm 2 s -1 para el coeficiente de difusión de los iones de Sn (II), el cual es compatible con los ya reportados en la bibliografía 3,9 x 10 -6 [134], 7,2 x 10 -6 [135], y 8,0 x 10 -6 cm 2 s -1 [136]. Los datos voltamperométricos sugieren, entonces, que la temperatura ejerce una mayor influencia sobre el proceso de la electrodeposición que sobre el correspondiente a la electrodisolución de Sn, como se deriva de la dependencia del potencial pico con ella; también influye la temperatura, indirectamente, en el proceso de electrodeposición, al despolarizar la reacción de desprendimiento de hidrógeno, es decir, disminuye el rango de potencial donde la electrodeposición de Sn sobre GC puede ocurrir sin la interferencia de la formación y Figura 3.4: Voltamperograma sobre electrodo de estaño a 0,05 V s -1 , curva roja 1 M H2SO4, curva negra 0,01M de TU en 1 M H2SO4.…”
Section: 2aunclassified
“…Las primeras mediciones de EIS se realizaron en el potencial de circuito abierto (OCP) como punto de referencia. Estos datos también se utilizaron para comparar con los datos disponibles en la bibliografía para la electrodeposición de estaño sobre diferentes sustratos y composiciones de solución [130], [135], [136].…”
Section: Espectroscopía De Impedancia Electroquímicaunclassified
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