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Recent developments in carbon nanotube membranes for water purification and gas separation

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journal contribution
posted on 2010-01-01, 00:00 authored by K Sears, Ludovic Dumee, J Schütz, Fenghua She, C Huynh, S Hawkins, M Duke, S Gray
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.

History

Journal

Materials

Volume

3

Pagination

127 - 149

Location

Basel, Switzerland

Open access

  • Yes

ISSN

1996-1944

Language

eng

Publication classification

C1 Refereed article in a scholarly journal

Copyright notice

2010, by the authors