Solid-source growth and atomic-scale characterization of graphene on Ag(111)

Brian Kiraly, Erin V. Iski, Andrew J. Mannix, Brandon L. Fisher, Mark C Hersam, Nathan P. Guisinger

Research output: Contribution to journalArticle

47 Citations (Scopus)

Abstract

Silver is a desirable platform for graphene growth because of the potential for hybrid graphene plasmonics and its emerging role as a preferred growth substrate for other two-dimensional materials, such as silicene. Here we demonstrate the direct growth of monolayer graphene on a single-crystal Ag(111) substrate. The inert nature of Ag has made it difficult to use for graphene synthesis using standard chemical vapour deposition techniques, which we have overcome by using an elemental carbon source. Atomic-scale scanning tunnelling microscopy reveals that the atomically clean graphene-silver substrate is free of organic residue and other contaminants. The dendritic graphene possesses a variety of edge terminations, many of which give rise to quantum interferences previously seen only on insulating substrates. This scattering supports spectroscopic evidence that the graphene electronic structure is minimally perturbed by the underlying silver, providing a new system in which graphene is decoupled from its growth substrate.

Original languageEnglish
Article number3804
JournalNature Communications
Volume4
DOIs
Publication statusPublished - Nov 15 2013

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Graphite
graphene
Growth
Silver
Substrates
silver
Scanning Tunnelling Microscopy
Scanning tunneling microscopy
Electronic structure
contaminants
scanning tunneling microscopy
Chemical vapor deposition
emerging
Monolayers
Carbon
platforms
Single crystals
vapor deposition
Scattering
Impurities

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Chemistry(all)
  • Physics and Astronomy(all)

Cite this

Solid-source growth and atomic-scale characterization of graphene on Ag(111). / Kiraly, Brian; Iski, Erin V.; Mannix, Andrew J.; Fisher, Brandon L.; Hersam, Mark C; Guisinger, Nathan P.

In: Nature Communications, Vol. 4, 3804, 15.11.2013.

Research output: Contribution to journalArticle

Kiraly, Brian ; Iski, Erin V. ; Mannix, Andrew J. ; Fisher, Brandon L. ; Hersam, Mark C ; Guisinger, Nathan P. / Solid-source growth and atomic-scale characterization of graphene on Ag(111). In: Nature Communications. 2013 ; Vol. 4.
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