On the Mechanisms of Ni-Catalysed Graphene Chemical Vapour Deposition

How does your graphene grow? In situ X‐ray photoelectron spectroscopy and X‐ray diffraction measurements during chemical vapor deposition on Ni catalyst films show that graphene forms both isothermally and by precipitation on cooling (see picture). A coherent graphene growth model is devised and sub...

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Veröffentlicht in:	Chemphyschem 2012-07, Vol.13 (10), p.2544-2549
Hauptverfasser:	Weatherup, Robert S., Bayer, Bernhard C., Blume, Raoul, Baehtz, Carsten, Kidambi, Piran R., Fouquet, Martin, Wirth, Christoph T., Schlögl, Robert, Hofmann, Stephan
Format:	Artikel
Sprache:	eng
Schlagworte:	Catalysis chemical vapor deposition Chemical vapor deposition (including plasma-enhanced cvd, mocvd, etc.) Chemistry Cross-disciplinary physics: materials science rheology Exact sciences and technology General and physical chemistry graphene Materials science Methods of deposition of films and coatings film growth and epitaxy nickel photoelectron spectroscopy Physics Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry X-ray diffraction
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Beschreibung
Zusammenfassung:	How does your graphene grow? In situ X‐ray photoelectron spectroscopy and X‐ray diffraction measurements during chemical vapor deposition on Ni catalyst films show that graphene forms both isothermally and by precipitation on cooling (see picture). A coherent graphene growth model is devised and sub‐surface dissolved carbon is shown to play an important role.
ISSN:	1439-4235 1439-7641
DOI:	10.1002/cphc.201101020