Electrochemical Faceting of polycrystalline platinum in HF solutions

The electrochemical faceting of polycrystalline (pc) platinum yielding a (100)-preferred oriented electrode surface was accomplished in HF solutions by applying to the pc platinum electrode a square wave potential perturbation at 1 kHz in the 0.2 to 1.3 V range (vs rhe). SEM patterns of the resultin...

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Autores principales: Custidiano, Ernesto Ramon, Kessler, Teresita, Triaca, Walter Enrique, Arvia, Alejandro Jorge
Formato: Articulo Comunicacion
Lenguaje:Inglés
Publicado: 1986
Materias:
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/119447
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id I19-R120-10915-119447
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Química
Ciencias Exactas
Electrochemical faceting
HF solutions
Platinum
spellingShingle Química
Ciencias Exactas
Electrochemical faceting
HF solutions
Platinum
Custidiano, Ernesto Ramon
Kessler, Teresita
Triaca, Walter Enrique
Arvia, Alejandro Jorge
Electrochemical Faceting of polycrystalline platinum in HF solutions
topic_facet Química
Ciencias Exactas
Electrochemical faceting
HF solutions
Platinum
description The electrochemical faceting of polycrystalline (pc) platinum yielding a (100)-preferred oriented electrode surface was accomplished in HF solutions by applying to the pc platinum electrode a square wave potential perturbation at 1 kHz in the 0.2 to 1.3 V range (vs rhe). SEM patterns of the resulting surfaces were also obtained. For HF concentrations up to 2 M no appreciable influence of the electrolyte concentration on the electrochemical faceting was noticed. Otherwise, the voltammetric response of the (100)-type preferred oriented platinum surface in the H-adatom potential range when compared to previously reported data resulted remarkably sensitive to the electrolyte composition. The discussion of results was based on the non-equilibrium adsorption conditions for anions under the periodic perturbation.
format Articulo
Comunicacion
author Custidiano, Ernesto Ramon
Kessler, Teresita
Triaca, Walter Enrique
Arvia, Alejandro Jorge
author_facet Custidiano, Ernesto Ramon
Kessler, Teresita
Triaca, Walter Enrique
Arvia, Alejandro Jorge
author_sort Custidiano, Ernesto Ramon
title Electrochemical Faceting of polycrystalline platinum in HF solutions
title_short Electrochemical Faceting of polycrystalline platinum in HF solutions
title_full Electrochemical Faceting of polycrystalline platinum in HF solutions
title_fullStr Electrochemical Faceting of polycrystalline platinum in HF solutions
title_full_unstemmed Electrochemical Faceting of polycrystalline platinum in HF solutions
title_sort electrochemical faceting of polycrystalline platinum in hf solutions
publishDate 1986
url http://sedici.unlp.edu.ar/handle/10915/119447
work_keys_str_mv AT custidianoernestoramon electrochemicalfacetingofpolycrystallineplatinuminhfsolutions
AT kesslerteresita electrochemicalfacetingofpolycrystallineplatinuminhfsolutions
AT triacawalterenrique electrochemicalfacetingofpolycrystallineplatinuminhfsolutions
AT arviaalejandrojorge electrochemicalfacetingofpolycrystallineplatinuminhfsolutions
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