On the Mechanisms of Ni-Catalysed Graphene Chemical Vapour Deposition

Weatherup, R. S.; Bayer, B. C.; Blume, Raoul; Baehtz, Carsten; Kidambi, P. R.; Fouquet, Martin; Wirth, C. T.; Schlögl, Robert; Hofmann, Stephan

doi:10.1002/cphc.201101020

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On the Mechanisms of Ni-Catalysed Graphene Chemical Vapour Deposition

Weatherup, R. S.; Bayer, B. C.; Blume, R.; Baehtz, C.; Kidambi, P. R.; Fouquet, M.; Wirth, C. T.; Schlögl, R.; Hofmann, S.

Abstract

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.

Keywords: chemical vapor deposition; graphene; nickel; photoelectron spectroscopy; X-ray diffraction

Involved research facilities

Rossendorf Beamline at ESRF DOI: 10.1107/S1600577520014265

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