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

doi:10.1088/1361-6528/ab1297

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 language	English
Article number	285701
Number of pages	1
Journal	Nanotechnology
Volume	30
Issue number	28
Early online date	22 Mar 2019
DOIs	https://doi.org/10.1088/1361-6528/ab1297
Publication status	Published - 24 Apr 2019

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This is the accepted author manuscript (AAM). The final published version (version of record) is available online via IOP at https://doi.org/10.1088/1361-6528/ab1297 . Please refer to any applicable terms of use of the publisher.
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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.",

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AU - Cattelan, Mattia

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AU - Fox, Neil

AU - Ivanov, Ivan Gueorguiev

AU - Shtepliuk, Ivan

AU - Yakimova, Rositsa

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AB - 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.

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JO - Nanotechnology

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

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