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Research Papers

Continuum Modeling of van der Waals Interaction Force Between Carbon Nanocones and Carbon Nanotubes

[+] Author and Article Information
F. Alisafaei, H. Rouhi

Department of Mechanical Engineering,  University of Guilan, P.O. Box 3756, Rasht 3756, Iran

R. Ansari1

Department of Mechanical Engineering,  University of Guilan, P.O. Box 3756, Rasht 3756, Iranr_ansari@guilan.ac.ir

1

Corresponding author.

J. Nanotechnol. Eng. Med 2(3), 031002 (Jan 09, 2012) (9 pages) doi:10.1115/1.4005485 History: Received June 08, 2011; Revised June 25, 2011; Published January 09, 2012; Online January 09, 2012

Using the Lennard–Jones potential, continuum modeling of the van der Waals potential energy and interaction force distributions are investigated for the eccentric and concentric single-walled carbon nanocones inside the single-walled carbon nanotubes. Furthermore, a new semi-analytical solution is presented to evaluate the van der Waals interaction of the nanocone located on the axis of the nanotube. Eccentric and concentric configurations of these nanostructures are also investigated to obtain the preferred position of the nanocone inside the nanotubes. Finally, the optimum radius of a carbon nanotube for which the preferred location of carbon nanocones is along the tube axis is found.

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Copyright © 2011 by American Society of Mechanical Engineers
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Figures

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Figure 1

Five feasible configurations for nanocones

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Figure 2

Offset nanocone inside a single-walled carbon nanotube

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Figure 3

Geometry of carbon nanocone when the cone enters from base

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Figure 4

Linear transformation from (θt-θc)plane to (ξ-ς) plane

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Figure 5

Geometry of carbon nanocone when the cone enters from apex

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Figure 6

Potential energy when the cone enters from base

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Figure 7

Force distribution when the cone enters from base

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Figure 8

Potential energy when the cone enters from apex

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Figure 9

Force distribution when the cone enters from apex

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Figure 10

Potential energy of an offset nanocone with five pentagons inside a (16,16), a (20,20) and a (24,24) nanotube

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