Steric effects on molecular adsorption at columnar surfaces : A model for the adsorption of pyridine on gold electrodes

dc.creatorGómez, M. M.
dc.creatorVara, J.M.
dc.creatorHernández, J. C.
dc.creatorSalvarezza, Roberto Carlos
dc.creatorArvia, Alejandro Jorge
dc.date1999
dc.date2021-05-04T16:40:31Z
dc.date.accessioned2023-07-15T01:36:00Z
dc.date.available2023-07-15T01:36:00Z
dc.identifierhttp://sedici.unlp.edu.ar/handle/10915/118296
dc.identifierissn:1572-6657
dc.identifier.urihttps://repositorioslatinoamericanos.uchile.cl/handle/2250/7458863
dc.descriptionResults for pyridine (Py) adsorption on columnar-structured (cs) gold substrates from acid solutions at different potentials and 298 K are compared to the predictions of a recently proposed Langmuirian adsorption model at columnar surfaces. The difference in the apparent adsorption Gibbs energy derived from the adsorption isotherm of Py on cs- and smooth gold substrates was accounted for by a correction factor (<i>f</i>) that depends on the roughness (R) of the substrate according to <i>f</i>∝R<sup>−n</sup>, as expected from Monte Carlo simulation of the model. This agreement indicates that the substrate geometry plays a key role in the interpretation of adsorption isotherms.
dc.descriptionInstituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas
dc.formatapplication/pdf
dc.format74-81
dc.languageen
dc.rightshttp://creativecommons.org/licenses/by-nc-sa/4.0/
dc.rightsCreative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)
dc.subjectQuímica
dc.subjectCiencias Exactas
dc.subjectAdsorption at columnar surfaces
dc.subjectAdsorption modeling
dc.subjectPyridine adsorption on gold
dc.titleSteric effects on molecular adsorption at columnar surfaces : A model for the adsorption of pyridine on gold electrodes
dc.typeArticulo
dc.typeArticulo


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