Anodization study of epitaxial graphene: insights on the oxygen evolution reaction of graphitic materials

Mattia Cattelan, Mikhail Yu Vagin, Neil Fox, Ivan Gueorguiev Ivanov, Ivan Shtepliuk, Rositsa Yakimova

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Abstract

The photoemission electron microscopy and x-ray photoemission spectroscopy were utilized for the study of anodized epitaxial graphene on silicon carbide as a fundamental aspect of the oxygen evolution reaction on graphitic materials. The high-resolution analysis of surface morphology and composition quantified the material transformation during the anodization. We investigated the surface with lateral resolution <150 nm, revealing significant transformations on the epitaxial graphene and the role of multilayer edges in increasing the film capacitance.

Original languageEnglish
Number of pages1
JournalNanotechnology
Volume30
Issue number28
Early online date22 Mar 2019
DOIs
Publication statusPublished - 24 Apr 2019

Bibliographical note

© 2019 IOP Publishing Ltd.

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