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dc.date.accessioned 2019-12-09T12:31:24Z
dc.date.available 2019-12-09T12:31:24Z
dc.date.issued 1991-12-10
dc.identifier.uri http://sedici.unlp.edu.ar/handle/10915/87026
dc.description.abstract The fractal dimension of the surface, Ds, of thin columnar gold electrodeposits (surface roughness factor 50–100) grown on gold wire cathodes by electroreducing hydrous gold oxide layers has been determined by measuring the diffusion controlled current of the Fe(CN)4−6/Fe(CN)3−6 reaction. The diffusion current (I) vs. time (t) relationships obeyed a Iαt−α dependence with Ds = 2α + 1. The initial Ds, value is 2.5 ± 0.1, and decreases to 2.3 ± 0.1 by keeping the deposit in contact with the electrolyte solution at 298 K due to the smoothing of the rough metal surface by surface diffusion. en
dc.format.extent 101-110 es
dc.language en es
dc.subject Fractales es
dc.subject electrodispersed es
dc.subject Oro es
dc.subject Electrodos es
dc.subject electrodeposits es
dc.subject Cationes es
dc.title Fractal characterisation of electrodispersed gold electrodes en
dc.type Articulo es
sedici.identifier.other https://doi.org/10.1016/0022-0728(91)87070-K es
sedici.identifier.issn 0022-0728 es
sedici.creator.person Ocon, Pilar es
sedici.creator.person Herrasti, Pilar es
sedici.creator.person Vazquez, Luis es
sedici.creator.person Salvarezza, Roberto Carlos es
sedici.creator.person Vara, J. M. es
sedici.creator.person Arvia, Alejandro Jorge es
sedici.subject.materias Ciencias Exactas es
sedici.subject.materias Química es
sedici.description.fulltext true es
mods.originInfo.place Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas es
mods.originInfo.place Facultad de Ciencias Exactas es
sedici.subtype Articulo es
sedici.rights.license Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)
sedici.rights.uri http://creativecommons.org/licenses/by-nc-sa/4.0/
sedici.description.peerReview peer-review es
sedici.relation.journalTitle Journal of Electroanalytical Chemistry and Interfacial Electrochemistry es
sedici.relation.journalVolumeAndIssue vol. 319, no. 1-2 es


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Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) Excepto donde se diga explícitamente, este item se publica bajo la siguiente licencia Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)