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- Title
ADHESION BETWEEN CARBON NANOTUBES AND SUBSTRATE:: MIMICKING THE GECKO FOOT-HAIR.
- Authors
ZHOU, W.; HUANG, Y.; LIU, B.; WU, J.; HWANG, K. C.; WEI, B. Q.
- Abstract
A continuum model is developed based on the van der Waals interactions to study the adhesion between multi-wall carbon nanotubes (MWCNT) and substrates. Simple, analytical expressions for the binding energy and pulling force are obtained in terms of the MWCNT radius, number of walls, and parameters in the van der Waals potential. For a 1 cm by 1 cm template with densely packed MWCNTs (50 nm in spacing), the total pulling force can reach 26.6 N and 21.9 N for the graphite and polyethylene substrates, respectively.
- Subjects
VAN der Waals forces; POLYETHYLENE; GRAPHITE; THERMOPLASTICS; BINDING energy; FORCE &; energy
- Publication
NANO, 2007, Vol 2, Issue 3, p175
- ISSN
1793-2920
- Publication type
Article
- DOI
10.1142/S1793292007000490