High Efficiency Fine Particulate Filtration Using Carbon Nanotube Coatings

High Efficiency Fine Particulate Filtration Using Carbon Nanotube Coatings

Thin films of multiwalled carbon nanotubes (MWNTs) deposited on cellulose fiber filters (see Figure) are evaluated as particulate filtration media. Even for very low MWNT coverages (∼0.07 mg cm–2), these filters exhibit efficiencies greater than 99 % for airborne fine particles. The pore structure a...

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Veröffentlicht in:Advanced materials (Weinheim) 2004-11, Vol.16 (22), p.2045-2049
Hauptverfasser: Viswanathan, G., Kane, D. B., Lipowicz, P. J.
Format: Artikel
Sprache:eng
Schlagworte:
Carbon nanotubes
Chemical vapor deposition
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Zusammenfassung:Thin films of multiwalled carbon nanotubes (MWNTs) deposited on cellulose fiber filters (see Figure) are evaluated as particulate filtration media. Even for very low MWNT coverages (∼0.07 mg cm–2), these filters exhibit efficiencies greater than 99 % for airborne fine particles. The pore structure and quality of the nanotube‐based filters have also been characterized.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.200400463