Phonon assisted thermophoretic motion of gold nanoparticles inside carbon nanotubes

Philipp A.E. Schoen, Jens Honore Walther, Dimos Poulikakos, Petros Koumoutsakos

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    Abstract

    The authors investigate the thermally driven mass transport of gold nanoparticles confined inside carbon nanotubes using molecular dynamics simulations. The observed thermophoretic motion of the gold nanoparticles correlates with the phonon dispersion exhibited by a standard carbon nanotube and, in particular, with the breathing mode of the tube. Additionally, the results show an increased static friction for gold nanoparticles confines inside a zig-zag carbon nanotube when increasing the size length of the nanoparticles. However, an unexpected, opposite trend is observed for the same nanoparticles inside armchair tubes. © 2007 American Institute of Physics.
    Original languageEnglish
    JournalApplied Physics Letters
    Volume90
    Issue number25
    Pages (from-to)253116
    ISSN0003-6951
    DOIs
    Publication statusPublished - 2007

    Bibliographical note

    Copyright (2007) American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.

    Keywords

    • CLUSTERS
    • WATER
    • DIFFUSION
    • FLOW
    • MASS-TRANSPORT

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