Cited Article: Majumder M. Nanoscale hydrodynamics - Enhanced flow in carbon nanotubes
Alert Expires: 18 OCT 2009
Number of Citing Articles: 2 new records this week (2 in this e-mail)
Organization ID: 3b97d1bbc1878baed0ab183d8b03130b
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Title:
Dynamics of capillary absorption of droplets by carbon nanotubes
Authors:
Schebarchov, D; Hendy, SC
Author Full Names:
Schebarchov, D.; Hendy, S. C.
Source:
PHYSICAL REVIEW E 78 (4): Art. No. 046309 Part 2 OCT 2008
Language:
English
Document Type:
Article
Keywords Plus:
FLOW
Abstract:
We consider the capillary absorption of liquid metal droplets by carbon nanotubes using molecular dynamics simulations and the steady-state flow model due to Marmur [A. Marmur, J. Colloid Interface Sci. 122, 209 (1988)]. We find an exact solution to Marmur's evolution equation for the height of the absorbed liquid column as a function of time, and show that this reproduces the dynamics observed in the simulations well. The simulations show that the flow of the metal exhibits a large degree of slippage at the tube walls, with slip lengths of up to 10 nm depending on the wettability of the nanotube. The results support the use of the Lucas-Washburn approach for modeling capillary absorption at the nanoscale.
Reprint Address:
Schebarchov, D, Victoria Univ Wellington, Sch Chem & Phys Sci, Wellington 6001, New Zealand.
Research Institution addresses:
[Schebarchov, D.; Hendy, S. C.] Victoria Univ Wellington, Sch Chem & Phys Sci, Wellington 6001, New Zealand; [Hendy, S. C.] Ind Res Ltd, MacDiarmid Inst Adv Mat & Nanotechnol, Lower Hutt 6009, New Zealand
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Cited Reference Count:
25
Times Cited:
0
Publisher:
AMER PHYSICAL SOC; ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
Subject Category:
Physics, Fluids & Plasmas; Physics, Mathematical
ISSN:
1539-3755
DOI:
10.1103/PhysRevE.78.046309
IDS Number:
367SW
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Title:
Grafted multifunctional titanium dioxide nanotube membrane: Separation and photodegradation of aquatic pollutant
Authors:
Zhang, XW; Du, AJ; Lee, P; Sun, DD; Leckie, JO
Author Full Names:
Zhang, Xiwang; Du, Alan Jianhong; Lee, Peifung; Sun, Darren Delai; Leckie, James O.
Source:
APPLIED CATALYSIS B-ENVIRONMENTAL 84 (1-2): 262-267 OCT 25 2008
Language:
English
Document Type:
Article
Author Keywords:
Nanotube; Titanium dioxide; Membrane; Photodegradation; Fouling
Keywords Plus:
WATER-PURIFICATION; CERAMIC MEMBRANES; CARBON NANOTUBES; TIO2 MEMBRANES; OXIDE NANOTUBE; ANATASE TIO2; ALUMINA; FILMS; FABRICATION; SUBSTRATE
Abstract:
Titanium dioxide (TiO2) nanotube membrane has been fabricated by an energy efficient and environmentally friendly method, grafting anatase TiO2 nanotubes in the channels of alumina microfiltration (MF) membrane using TiF4 solution through liquid-phase deposition. The inner diameters of the TiO2 nanotubes are controllable from 5 to 100 nm by varying the grafting time. The TiO2 nanotube membrane exhibited good photocatalytic activity on photodegradation of HA (humic acid) in batch tests. The satisfying permeability of the TiO2 nanotube membrane was demonstrated by filtration of distilled water and HA. The experiment results of continuous filtration under UV irradiation showed that not only HA was rejected and photodegraded by the TiO2 nanotube membrane, but also the membrane fouling was alleviated dramatically. (C) 2008 Elsevier B.V. All rights reserved.
Reprint Address:
Zhang, XW, Nanyang Technol Univ, Sch Civil & Environm Engn, Blk N1,N1-B4B-03,50 Nanyang Ave, Singapore 639798, Singapore.
Research Institution addresses:
[Zhang, Xiwang; Du, Alan Jianhong; Lee, Peifung; Sun, Darren Delai] Nanyang Technol Univ, Sch Civil & Environm Engn, Singapore 639798, Singapore; [Leckie, James O.] Stanford Univ, Sch Engn, Dept Civil & Environm Engn, Stanford, CA 94305 USA
E-mail Address:
xwzhang@ntu.edu.sg; ddsun@ntu.edu.sg
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Cited Reference Count:
43
Times Cited:
0
Publisher:
ELSEVIER SCIENCE BV; PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
Subject Category:
Chemistry, Physical; Engineering, Environmental; Engineering, Chemical
ISSN:
0926-3373
DOI:
10.1016/j.apcatb.2008.04.009
IDS Number:
369XX
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