Jump to main content
Jump to site search

Volume 172, 2014
Previous Article Next Article

Spontaneous formation of metallic nanostructures on highly oriented pyrolytic graphite (HOPG): an ab initio and experimental study

Author affiliations

Abstract

We have investigated the decoration of step-edges of HOPG by Ag, Au and Pt using experimental and theoretical approaches. Metallic nanowires can be formed on bare or functionalized step-edges. Energy dispersion analysis indicates the presence of oxygenated groups. The experiments showed that nanowires can be obtained with the three metals along the step-edges, but the shapes and morphologies are very different. We have found that the interaction between the metal wires and the carbon follows the sequence: Pt > Au > Ag. The electronic redistribution between the atoms participating in the bond between the metallic nanowire and the step-edges shows a complicated pattern. The density of electronic states projected on the different atoms indicates that there are different orbitals participating in the bonds.

Back to tab navigation

Associated articles

Article information


Submitted
21 Mar 2014
Accepted
28 May 2014
First published
29 May 2014

Faraday Discuss., 2014,172, 327-347
Article type
Paper
Author version available

Spontaneous formation of metallic nanostructures on highly oriented pyrolytic graphite (HOPG): an ab initio and experimental study

M. F. Juarez, S. Fuentes, G. J. Soldano, L. Avalle and E. Santos, Faraday Discuss., 2014, 172, 327
DOI: 10.1039/C4FD00047A

Social activity

Search articles by author

Spotlight

Advertisements