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| Naji, M. |
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| Ertürk, Emre |
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| Petrov, R. H. | Madrid |
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| Azevedo, Nuno Monteiro |
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Ivashenko, Oleksii
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (9/9 displayed)
- 2024Graphene growth from photo-polymerized bi-phenylthiol self-assembled monolayerscitations
- 2024Graphene growth from photo-polymerized bi-phenylthiol self-assembled monolayerscitations
- 2021How Surface Species Drive Product Distribution during Ammonia Oxidation: An STM and Operando APXPS Studycitations
- 2021How Surface Species Drive Product Distribution during Ammonia Oxidation : An STM and Operando APXPS Studycitations
- 2021How Surface Species Drive Product Distribution during Ammonia Oxidationcitations
- 2015Comparing graphene growth on Cu(111) versus oxidized Cu(111)citations
- 2015Effect of surface reactions on steel, Al2O3 and Si3N4counterparts on their tribological performance with polytetrafluoroethylene filled compositescitations
- 2015Comparing Graphene Growth on Cu(111) versus Oxidized Cu(111)citations
- 2015Comparing Graphene Growth on Cu(111) versus Oxidized Cu(111)citations
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article
Comparing Graphene Growth on Cu(111) versus Oxidized Cu(111)
Abstract
The epitaxial growth of graphene on catalytically active metallic surfaces via chemical vapor deposition (CVD) is known to be one of the most reliable routes toward high-quality large-area graphene. This CVD-grown graphene is generally coupled to its metallic support resulting in a modification of its intrinsic properties. Growth on oxides is a promising alternative that might lead to a decoupled graphene layer. Here, we compare graphene on a pure metallic to graphene on an oxidized copper surface in both cases grown by a single step CVD process under similar conditions. Remarkably, the growth on copper oxide, a high-k dielectric material, preserves the intrinsic properties of graphene; it is not doped and a linear dispersion is observed close to the Fermi energy. Density functional theory calculations give additional insight into the reaction processes and help explaining the catalytic activity of the copper oxide surface.