期刊
FARADAY DISCUSSIONS
卷 172, 期 -, 页码 327-347出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4fd00047a
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资金
- Deutsche Forschungsgemeinschaft
- PIP-CONICET (Agencia Nacional de Promocion Cientifica y Tecnologica, FONCYT, prestamo BID) [112-201001-00411, PICT-2008-00088, PICT-2012-2324]
- FaMAF through Segundo Plan de Inversiones para Equipamientos
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.
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