Evolution of gold nanostructures on graphene

Recep Zan, Ursel Bangert, Quentin Ramasse, Konstantin S. Novoselov

Research output: Contribution to journalArticlepeer-review

Abstract

Gold clusters and individual atoms are seen on few-layer graphene in the scanning transmission electron microscopy high-angle annular dark-field (STEM-HAADF) image and individual atom positions are determined by the corresponding STEM bright-field image. The clusters nucleate exclusively in the hydrocarbon surface contamination. HAADF imaging is one of the most feasible methods to detect individual adatoms and impurities.

Original languageEnglish
Pages (from-to)2868-2872
Number of pages5
JournalSmall
Volume7
Issue number20
DOIs
Publication statusPublished - 17 Oct 2011
Externally publishedYes

Keywords

  • gold
  • graphene
  • hydrogenation
  • nanostructures
  • transmission electron microscopy

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