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Growth and properties of Au nanowires

Roldan Martinez, Alberto, Ricart, Josep M. and Illas, Francesc 2009. Growth and properties of Au nanowires. Molecular Simulation 35 (12-13) , pp. 1051-1056. 10.1080/08927020902902775

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Abstract

The self-assembling of Au nanoparticles into nanowires of different structure has been investigated by means of a periodic approach within density functional theory using an Au79 nanoparticle as a building block. The density functional calculations show that the interaction of the Au nanoparticles takes place preferentially along the [111] direction, in agreement with the experimental. The electronic structure of the different Au nanowires studied is found to be intermediate between that of the isolated nanoparticle and that of the bulk metal. This is perhaps not surprising but has important consequences for the chemistry of such nanostructures. Finally, calculations carried out for nanowires built from Cu, Ag and Au nanoparticles containing 38 atoms reveal that the self-assembling mechanism is general but that the strength of the interaction is dictated by the chemical nature of the metal with Au being the coinage metal leading to stronger interaction between the nanoparticles.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Chemistry
Subjects: Q Science > QD Chemistry
Publisher: Taylor & Francis
ISSN: 0892-7022
Date of Acceptance: 11 March 2009
Last Modified: 04 Jun 2017 08:04
URI: http://orca-mwe.cf.ac.uk/id/eprint/72416

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