Nano Science and Technology Institute
Nanotech 2008 Vol. 1
Nanotech 2008 Vol. 1
Nanotechnology 2008: Materials, Fabrication, Particles, and Characterization - Technical Proceedings of the 2008 NSTI Nanotechnology Conference and Trade Show, Volume 1
Chapter 1: Carbon Nano Structures & Applications

Modeling and simulation of adhesion between carbon nanotubes and surfaces

Authors:N.R. Paudel, T. Ohashi, L. Dai, A. Buldum
Affilation:The University of Akron, US
Pages:31 - 34
Keywords:gecko foot, nanotubes, molecular dynamics
Abstract:There have been also many experimental studies which were performed to compare the adhesion properties of carbon nanotubes with that of a gecko’s foot on smooth surfaces. Yurdumakan et al. measured the adhesive force of multiwalled carbon nanotube hairs and found it to be 200 times higher than that observed for gecko foot-hairs.Here, we present theoretical investigations of CNTs interacting with surfaces. We study the deformation of CNTs and evaluate their adhesion similar to the experimental investigation of a gecko foot. To study the deformation behavior and adhesion of CNTs, atomistic simulations of capped armchair (10, 10) nanotubes with two different lengths are performed on rigid and relaxed graphite surfaces.Simulations were also performed for different orientations of the nanotube with respect to the graphite surface to study the angular dependence of adhesion and deformation.
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