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http://hdl.handle.net/10397/6808
| Title: | Controllable transport of water through nanochannel by rachet-like mechanism | Authors: | Lu, H Nie, X Wu, F Zhou, X Kou, J Xu, Y Liu, Y |
Issue Date: | 7-May-2012 | Source: | Journal of chemical physics, 7 May 2012, v. 136, no. 17, 174511, p. 1-7 | Abstract: | By using molecular dynamics simulation, we have investigated systematically the feasibility of continuous unidirectional water flux across a deformed single-walled carbon nanotube (SWNT) driven by an oscillating charge outside without osmotic pressure or hydrostatic drop. Simulation results indicate that the flux is dependent sensitively on the oscillating frequency of the charge, the distance of the charge from the SWNT, and the asymmetry of the water-SWNT system. A resonance-like phenomenon is found that the water flux is enhanced significantly when the period of the oscillation is close to twice the average hopping time of water molecules inside the SWNT. These findings are helpful in developing a novel design of efficient functional nanofluidic devices. | Keywords: | Carbon nanotubes Deformation Hopping conduction Hydrostatics Molecular dynamics method Water |
Publisher: | American Institute of Physics | Journal: | Journal of chemical physics | ISSN: | 0021-9606 | EISSN: | 1089-7690 | DOI: | 10.1063/1.4707744 | Rights: | © 2012 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Hangjun Lu et al., J. Chem. Phys. 136, 174511 (2012) and may be found at http://link.aip.org/link/?jcp/136/174511. |
| Appears in Collections: | Journal/Magazine Article |
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|---|---|---|---|---|
| Lu_Controllable_Transport_Nanochannel.pdf | 1.99 MB | Adobe PDF | View/Open |
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