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Electrochemical behaviour of electrodeposited nanostructured palladium+platinum films in 2 M H2SO4

Electrochemical behaviour of electrodeposited nanostructured palladium+platinum films in 2 M H2SO4
Electrochemical behaviour of electrodeposited nanostructured palladium+platinum films in 2 M H2SO4
Nanostructured palladium + platinum films were electrodeposited from all aqueous binary mixture that contained a non-ionic surfactant to produce a liquid crystalline phase. This phase acts as a template for the formation of mesoporous nanostructured films. The films produced were characterised by X-ray diffraction and transmission electron microscopy in order to assess the existence of a regular nanostructure. Furthermore, cyclic voltammetry in 2 M H2SO4 was used to obtain information about the electrochemical properties of the films. Here we report the existence of two unexpected very sharp peaks in the hydrogen region that were observed by cyclic voltammetry.
electrodeposition, palladium plus platinum alloys, nanostructure, cyclic voltammetryirreversibly adsorbed palladium, sulfuric-acid, pt(111), dissolution
1388-2481
544-548
Guerin, Samuel
e185e0c2-85c6-4d1c-a2cf-cd2f410d346f
Attard, George S.
3219075d-2364-4f00-aeb9-1d90f8cd0d36
Guerin, Samuel
e185e0c2-85c6-4d1c-a2cf-cd2f410d346f
Attard, George S.
3219075d-2364-4f00-aeb9-1d90f8cd0d36

Guerin, Samuel and Attard, George S. (2001) Electrochemical behaviour of electrodeposited nanostructured palladium+platinum films in 2 M H2SO4. Electrochemistry Communications, 3 (10), 544-548. (doi:10.1016/S1388-2481(01)00211-9).

Record type: Article

Abstract

Nanostructured palladium + platinum films were electrodeposited from all aqueous binary mixture that contained a non-ionic surfactant to produce a liquid crystalline phase. This phase acts as a template for the formation of mesoporous nanostructured films. The films produced were characterised by X-ray diffraction and transmission electron microscopy in order to assess the existence of a regular nanostructure. Furthermore, cyclic voltammetry in 2 M H2SO4 was used to obtain information about the electrochemical properties of the films. Here we report the existence of two unexpected very sharp peaks in the hydrogen region that were observed by cyclic voltammetry.

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More information

Published date: 1 October 2001
Keywords: electrodeposition, palladium plus platinum alloys, nanostructure, cyclic voltammetryirreversibly adsorbed palladium, sulfuric-acid, pt(111), dissolution

Identifiers

Local EPrints ID: 19498
URI: http://eprints.soton.ac.uk/id/eprint/19498
ISSN: 1388-2481
PURE UUID: d5a53447-6a4a-43ce-9c0c-ed7661a1910a
ORCID for George S. Attard: ORCID iD orcid.org/0000-0001-8304-0742

Catalogue record

Date deposited: 16 Feb 2006
Last modified: 10 Dec 2019 01:56

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