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Recent Developments in Carbon Nanotube Membranes for Water Purification and Gas Separation

CSIRO Materials Science and Engineering, Bayview Ave, Clayton Vic 3168, Australia
Institute for Sustainability and Innovation, Victoria University, Werribee Campus, Hoppers Lane, Werribee PO Box 14428, Melbourne, Victoria, 8001, Australia
Centre for Material and Fibre Innovation, Institute for Technology and Research Innovation, Deakin University, Geelong Vic 3217, Australia
Author to whom correspondence should be addressed.
Materials 2010, 3(1), 127-149;
Received: 17 November 2009 / Revised: 23 December 2009 / Accepted: 24 December 2009 / Published: 4 January 2010
(This article belongs to the Special Issue Porous Materials)
Carbon nanotubes (CNTs) are nanoscale cylinders of graphene with exceptional properties such as high mechanical strength, high aspect ratio and large specific surface area. To exploit these properties for membranes, macroscopic structures need to be designed with controlled porosity and pore size. This manuscript reviews recent progress on two such structures: (i) CNT Bucky-papers, a non-woven, paper like structure of randomly entangled CNTs, and (ii) isoporous CNT membranes, where the hollow CNT interior acts as a membrane pore. The construction of these two types of membranes will be discussed, characterization and permeance results compared, and some promising applications presented. View Full-Text
Keywords: carbon nanotube; bucky-paper; membrane; filtration carbon nanotube; bucky-paper; membrane; filtration
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Sears, K.; Dumée, L.; Schütz, J.; She, M.; Huynh, C.; Hawkins, S.; Duke, M.; Gray, S. Recent Developments in Carbon Nanotube Membranes for Water Purification and Gas Separation. Materials 2010, 3, 127-149.

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