Temperature Dependence of the Formation of Graphene and Subsurface Carbon on Ru(0001) and Its Effect on Surface Reactivity

Switching the surface structure: The formation of graphene and subsurface carbon on Ru(0001) is controlled by regulating the annealing temperature (see picture). A low annealing temperature (LT) drives bulk dissolved carbon onto the surface to form graphene. At high temperatures (HT), surface graphe...

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Veröffentlicht in:	Chemphyschem 2010-04, Vol.11 (5), p.995-998
Hauptverfasser:	Cui, Yi, Fu, Qiang, Tan, Dali, Bao, Xinhe
Format:	Artikel
Sprache:	eng
Schlagworte:	carbon Catalysis Chemistry Exact sciences and technology General and physical chemistry graphene heterogeneous catalysis ruthenium surface chemistry Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry
Online-Zugang:	Volltext
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Beschreibung
Zusammenfassung:	Switching the surface structure: The formation of graphene and subsurface carbon on Ru(0001) is controlled by regulating the annealing temperature (see picture). A low annealing temperature (LT) drives bulk dissolved carbon onto the surface to form graphene. At high temperatures (HT), surface graphene carbon can diffuse into the subsurface or move into the bulk of the metal.
ISSN:	1439-4235 1439-7641
DOI:	10.1002/cphc.200901034