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The Electrochemical Society, ECS Transactions, 1(43), p. 259-266, 2012

DOI: 10.1149/1.4704967

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Electrochemical Characteristics of Poly(vinyl pyrrolidone) (PVP) and Poly(vinyl alcohol) (PVA) on Single-Crystal Pt Surfaces in Acidic Medium

Journal article published in 2012 by Luiz H. Gasparotto, Janaina F. Gomes ORCID, Germano Tremiliosi-Filho
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

In the present paper we investigated the electrochemical behaviors of poly(vinyl pyrrolidone) (PVP) and poly(vinyl alcohol) (PVA) on Pt (111), (100) and (110) electrodes. Both polymers hampered the characteristic hydrogen UPD and anion adsorption/desorption on all investigated surfaces, with the processes on Pt(110) being the most affected by their presence. Several oxidation processes appeared in the positive potential sweep and the Pt(111) was found to be the most active for the oxidation processes.