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Issue 43, 2014
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Rings and rackets from single-wall carbon nanotubes: manifestations of mesoscale mechanics

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Abstract

We combine experiments and distinct element method simulations to understand the stability of rings and rackets formed by single-walled carbon nanotubes assembled into ropes. Bending remains a soft deformation mode in ropes because intra-rope sliding of the constituent nanotubes occurs with ease. Our simulations indicate that the formation of these aggregates can be attributed to the mesoscopic mechanics of entangled nanotubes and to the sliding at the contacts. Starting from the single-walled carbon nanotubes, the sizes of the rings and rackets' heads increase with the rope diameter, indicating that the stability of the experimental aggregates can be largely explained by the competition between bending and van der Waals adhesion energies. Our results and simulation method should be useful for understanding nanoscale fibers in general.

Graphical abstract: Rings and rackets from single-wall carbon nanotubes: manifestations of mesoscale mechanics

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Publication details

The article was received on 21 Apr 2014, accepted on 29 Aug 2014 and first published on 01 Sep 2014


Article type: Paper
DOI: 10.1039/C4SM00865K
Author version available: Download Author version (PDF)
Citation: Soft Matter, 2014,10, 8635-8640
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    Rings and rackets from single-wall carbon nanotubes: manifestations of mesoscale mechanics

    Y. Wang, M. R. Semler, I. Ostanin, E. K. Hobbie and T. Dumitrică, Soft Matter, 2014, 10, 8635
    DOI: 10.1039/C4SM00865K

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