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Synthesis and electronic properties of chemically functionalized graphene on metal surfaces
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2013 J. Phys.: Condens. Matter 25 043001
(http://iopscience./0953-8984/25/4/043001)
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IOP PUBLISHING JOURNAL OF PHYSICS: CONDENSED MATTER
J. Phys.: Condens. Matter 25 (2013) 043001 (14pp) doi:-8984/25/4/043001
TOPICAL REVIEW
Synthesis and electronic properties of
chemically functionalized graphene on
metal surfaces
Alexander Gruneis¨
Faculty of Physics, University of Vienna, Boltzmanngasse 5, A-1090 Wien, Austria
and
IFW-Dresden, Helmholtzstrasse 20, D-01069 Dresden, Germany
E-mail: alexander.******@
Received 19 March 2012, in final form 19 November 2012
Published 20 December 2012
Online at stacks./JPhysCM/25/043001
Abstract
A review on the electronic properties, growth and functionalization of graphene on metals is
presented. Starting from the derivation of the electronic properties of an isolated graphene
layer using the nearest neighbor tight-binding (TB) approximation for π and σ electrons, the
TB model is then extended to third-nearest neighbors and interlayer coupling. The latter is
relevant to few-layer graphene and graphite. Next, the conditions under which epitaxial
graphene can be obtained by chemical vapor deposition are reviewed with a particular
emphasis on the Ni(111) surface. Regarding functionalization, I first discuss the intercalation
of monolayer Au into the graphene/Ni(111) interface, which renders graphene
quasi-free-standing. The Au intercalated quasi-free-standing graphene is then the basis for
chemical function