Molecular physisorption on graphene and carbon nanotubes: a comparative ab initio study
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Henwood, D and Carey, JD (2008) Molecular physisorption on graphene and carbon nanotubes: a comparative ab initio study MOLECULAR SIMULATION, 34 (10-15), PII 90. pp. 1019-1023.
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Official URL: http://dx.doi.org/10.1080/08927020802175241
Abstract
The results of ab initio density functional theory calculations of molecular physisorption on a number of different adsorption sites on a graphene sheet and on a (10, 0) single walled carbon nanotube are discussed. Both the Vosko-Wilk-Nusair (VWN) local density approximation (LDA) functional and the Perdew-Wang (PW91) generalized gradient approximation (GGA) functional were employed in calculating the binding energy of a hydrogen molecule to the appropriate carbon nanostructure as well as the optimal molecule – nanostructure separation. Both exterior and interior nanotube adsorption sites were examined and it is shown that the binding energy associated with interior adsorption sites is larger than exterior adsorption on the nanotube or onto the graphene layer. The use of carbon nanostructures for hydrogen storage is also discussed.
| Item Type: | Article | |||||||||
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| Divisions : | Faculty of Engineering and Physical Sciences > Electronic Engineering > Advanced Technology Institute > Nano-Electronics Centre | |||||||||
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| Date : | 1 January 2008 | |||||||||
| Identification Number : | 10.1080/08927020802175241 | |||||||||
| Uncontrolled Keywords : | Science & Technology, Physical Sciences, Chemistry, Physical, Physics, Atomic, Molecular & Chemical, Chemistry, Physics, graphene, carbon nanotube, hydrogen, physisorption, LDA and GGA functionals, ELECTRONIC-PROPERTIES, HYDROGEN | |||||||||
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| Additional Information : | This is an electronic version of an article published in Molecular Simulation, 34(10-15),1019-1023(2008). Molecular Simulation is available online at: http://www.tandfonline.com/doi/abs/10.1080/08927020802175241. | |||||||||
| Depositing User : | Symplectic Elements | |||||||||
| Date Deposited : | 07 Dec 2011 14:23 | |||||||||
| Last Modified : | 18 Feb 2015 14:35 | |||||||||
| URI: | http://epubs.surrey.ac.uk/id/eprint/7679 |
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