Solid-state graphene formation via a nickel carbide intermediate phase

W. Xiong, Y. S. Zhou, W. J. Hou, T. Guillemet, J. F. Silvain, Y. Gao, M. Lahaye, E. Lebraud, S. Xu, X. W. Wang, D. A. Cullen, K. L. More, L. Jiang, Y. F. Lu

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Direct formation of graphene with a controlled number of graphitic layers on dielectric surfaces is highly desired for practical applications but still challenging. Distinguished from the conventional chemical vapor deposition methods, a solid-state rapid thermal processing (RTP) method can achieve high-quality graphene formation on dielectric surfaces without transfer. However, little research is available to elucidate the graphene growth mechanism in the RTP method (heating rate ∼15 °C s-1). Here we show a solid-state transformation mechanism in which a metastable nickel carbide (Ni3C) intermediate phase plays a critical role in transforming amorphous carbon to two dimensional crystalline graphene and contributing to the autonomous Ni evaporation in the RTP process. The formation, migration and decomposition of Ni3C are confirmed to be responsible for graphene formation and Ni evaporation. The Ni3C-assisted graphene formation mechanism expands the understanding of Ni-catalyzed graphene formation and provides insightful guidance for controlled growth of graphene through the solid-state transformation process.

Original languageEnglish (US)
Pages (from-to)99037-99043
Number of pages7
JournalRSC Advances
Volume5
Issue number120
DOIs
StatePublished - Jan 1 2015

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Graphene
Carbides
Nickel
Rapid thermal processing
Evaporation
nickel carbide
Amorphous carbon
Heating rate
Chemical vapor deposition
Crystalline materials
Decomposition

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)

Cite this

Xiong, W., Zhou, Y. S., Hou, W. J., Guillemet, T., Silvain, J. F., Gao, Y., ... Lu, Y. F. (2015). Solid-state graphene formation via a nickel carbide intermediate phase. RSC Advances, 5(120), 99037-99043. https://doi.org/10.1039/c5ra18682j

Solid-state graphene formation via a nickel carbide intermediate phase. / Xiong, W.; Zhou, Y. S.; Hou, W. J.; Guillemet, T.; Silvain, J. F.; Gao, Y.; Lahaye, M.; Lebraud, E.; Xu, S.; Wang, X. W.; Cullen, D. A.; More, K. L.; Jiang, L.; Lu, Y. F.

In: RSC Advances, Vol. 5, No. 120, 01.01.2015, p. 99037-99043.

Research output: Contribution to journalArticle

Xiong, W, Zhou, YS, Hou, WJ, Guillemet, T, Silvain, JF, Gao, Y, Lahaye, M, Lebraud, E, Xu, S, Wang, XW, Cullen, DA, More, KL, Jiang, L & Lu, YF 2015, 'Solid-state graphene formation via a nickel carbide intermediate phase', RSC Advances, vol. 5, no. 120, pp. 99037-99043. https://doi.org/10.1039/c5ra18682j
Xiong W, Zhou YS, Hou WJ, Guillemet T, Silvain JF, Gao Y et al. Solid-state graphene formation via a nickel carbide intermediate phase. RSC Advances. 2015 Jan 1;5(120):99037-99043. https://doi.org/10.1039/c5ra18682j
Xiong, W. ; Zhou, Y. S. ; Hou, W. J. ; Guillemet, T. ; Silvain, J. F. ; Gao, Y. ; Lahaye, M. ; Lebraud, E. ; Xu, S. ; Wang, X. W. ; Cullen, D. A. ; More, K. L. ; Jiang, L. ; Lu, Y. F. / Solid-state graphene formation via a nickel carbide intermediate phase. In: RSC Advances. 2015 ; Vol. 5, No. 120. pp. 99037-99043.
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