Cited Article: Zhao, Y. Individual water-filled single-walled carbon nanotubes as hydroelectric power converters
Alert Expires: 09 NOV 2010
Number of Citing Articles: 1 new records this week (1 in this e-mail)
Organization ID: 3b97d1bbc1878baed0ab183d8b03130b
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Title:
Transport Properties of Single-File Water Molecules inside a Carbon Nanotube Biomimicking Water Channel
Authors:
Zuo, GC; Shen, R; Ma, SJ; Guo, WL
Author Full Names:
Zuo, Guangchao; Shen, Rong; Ma, Shaojie; Guo, Wanlin
Source:
ACS NANO 4 (1): 205-210 JAN 2010
Language:
English
Document Type:
Article
Author Keywords:
transport property; carbon nanotube; water channel; free energy; molecular dynamics simulation
KeyWords Plus:
DYNAMICS; PERMEATION; CONDUCTION; SELECTIVITY; EXCLUSION; MEMBRANES; FLOW
Abstract:
The single-file water transport through a biomimic water channel consisting of a (6,6) carbon nanotube (CNT) with different types of external point charges is studied using molecular dynamics simulations. It is demonstrated that, as in the aquaporins, asymmetrically positioned charges cannot generate robust unidirectional water flow in the CNT. Thermal fluctuation in bulk water competes with charge affinity to steer the water transport, resulting in nonmonotonic flow with intermittent reversal of transport direction. The energetic analysis suggests that the water-water Interaction, determined by dipole orientation configuration, influences the transport rate significantly. These findings can provide correct biomimic understanding of water transport properties and will benefit the design of efficient functional nanofluidic devices.
Reprint Address:
Guo, WL, Nanjing Univ Aeronaut & Astronaut, Inst Nano Sci, Nanjing 210016, Peoples R China.
Research Institution addresses:
[Zuo, Guangchao; Shen, Rong; Ma, Shaojie; Guo, Wanlin] Nanjing Univ Aeronaut & Astronaut, Inst Nano Sci, Nanjing 210016, Peoples R China
E-mail Address:
wlguo@nuaa.edu.cn
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Cited Reference Count:
35
Times Cited:
0
Publisher:
AMER CHEMICAL SOC; 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
Subject Category:
Chemistry, Multidisciplinary; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary
ISSN:
1936-0851
DOI:
10.1021/nn901334w
IDS Number:
547CP
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