4.8 Article

Graphene Oxide-Templated Synthesis of Ultrathin or Tadpole-Shaped Au Nanowires with Alternating hcp and fcc Domains

Journal

ADVANCED MATERIALS
Volume 24, Issue 7, Pages 979-+

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201104153

Keywords

graphene; graphene oxide; Au nanowires; hexagonal close-packed structures; face-centered cubic structures

Funding

  1. MOE [ARC 10/10, MOE2010-T2-1-060]
  2. Singapore National Research Foundation
  3. NTU in Singapore [M58120031]

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Ultrathin Au nanowires (AuNWs) and tadpole-shaped nanowires are synthesized on graphene oxide (GO) sheet templates. For the fi rst time, 1.6 nmdiameter AuNWs are shown to contain hexagonal close-packed (hcp) crystal domains, and the tadpole-shaped nanowires exhibit alternating sets of hcp and face-centered cubic (fcc) structures, associated with variation in wire thickness.

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