In-situ electrochemical atomic force microscopy study of aging of magnetron sputtered Pt-Co nanoalloy thin films during accelerated degradation test

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TitreIn-situ electrochemical atomic force microscopy study of aging of magnetron sputtered Pt-Co nanoalloy thin films during accelerated degradation test
Type de publicationJournal Article
Year of Publication2016
AuteursKhalakhan I, Vorokhta M, Vaclavu M, Smid B, Lavkova J, Matolinova I, Fiala R, Tsud N, Skala T, Matolin V
JournalELECTROCHIMICA ACTA
Volume211
Pagination52-58
Date PublishedSEP 1
Type of ArticleArticle
ISSN0013-4686
Mots-cléscyclic voltammetry, electrochemical AFM, Oxygen reduction reaction, Pt-Co, Thin Film
Résumé

A Pt-Co nanoalloy thin film catalyst was prepared by using simultaneous magnetron sputtering of Pt and Co. The catalyst was characterized during accelerated degradation test using in-situ electrochemical atomic force microscopy complemented with ex-situ techniques such as energy dispersive X-ray spectroscopy, X-ray photoelectron spectroscopy and synchrotron radiation photoelectron spectroscopy. The combined results gave the full step-by-step picture of the catalyst behavior during the aging test. (C) 2016 Elsevier Ltd. All rights reserved.

DOI10.1016/j.electacta.2016.06.035