Electrochemically shape-controlled transformation of magnetron sputtered platinum films into platinum nanostructures enclosed by high-index facets

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TitreElectrochemically shape-controlled transformation of magnetron sputtered platinum films into platinum nanostructures enclosed by high-index facets
Type de publicationJournal Article
Year of Publication2017
AuteursKhalakhan I, Lavkova J, Matolinova I, Vorokhta M, Potin V, Kus P, Vaclavu M, Maraloiu V-A, Kuncser A-C, Matolin V
JournalSURFACE & COATINGS TECHNOLOGY
Volume309
Pagination6-11
Date PublishedJAN 15
Type of ArticleArticle
ISSN0257-8972
Mots-clésHigh-index facet, Nanostructures, Platinum, Shape dependence, Thin films, Transformation
Résumé

A new method based on transformation of magnetron sputtered platinum thin films into platinum nanostructures enclosed by high-index facets, using electrochemical potential cycling in a twin working electrode system is reported. The controllable formation of various Pt nanostructures, described in this paper, indicates that this method can be used to control a selective growth of high purity Pt nanostructures with specific shapes (facets or edges). The method opens up new possibilities for electrochemical preparation of nanostructured Pt catalysts at high yield. (C) 2016 Elsevier B.V. All rights reserved.

DOI10.1016/j.surfcoat.2016.11.017