Selective detection of benzene traces at room temperature using metal decorated carbon nanotubes

R. Leghrib, E. Llobet, A. Felten, J.J. Pireaux, F. Demoisson, F. Reniers

Résultats de recherche: Contribution à un journal/une revueArticle

Résumé

Hybrid materials consisting of oxygen plasma treated multiwalled carbon nanotubes (MWCNTs) decorated with four different metal nanoparticles can be tailored for the recognition of benzene vapors with high sensitivity and selectivity. The plasma treatment enables cleaning, activating, functionalizing and metal decorating carbon nanotubes in a single step. Metal nanoparticles transfer significant amount of charge upon adsorption of a target molecule, so as to affect electron transport in the nanotube. When combined in a microsensor array operating at room temperature, the use of benzene-sensitive and benzene-insensitive metal-decorated multiwalled carbon nanotubes can provide selective detection of benzene at trace levels (i.e., detection limit below 50 ppb.
langue originaleAnglais
Pages (de - à)385-388
Nombre de pages4
journalProcedia Engineering
Volume5
Les DOIs
étatPublié - 1 janv. 2010

Empreinte digitale

Carbon nanotubes
Benzene
Multiwalled carbon nanotubes (MWCN)
Metal nanoparticles
Metals
Plasmas
Microsensors
Temperature
Hybrid materials
Nanotubes
Cleaning
Vapors
Adsorption
Molecules
Oxygen

Citer ceci

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abstract = "Hybrid materials consisting of oxygen plasma treated multiwalled carbon nanotubes (MWCNTs) decorated with four different metal nanoparticles can be tailored for the recognition of benzene vapors with high sensitivity and selectivity. The plasma treatment enables cleaning, activating, functionalizing and metal decorating carbon nanotubes in a single step. Metal nanoparticles transfer significant amount of charge upon adsorption of a target molecule, so as to affect electron transport in the nanotube. When combined in a microsensor array operating at room temperature, the use of benzene-sensitive and benzene-insensitive metal-decorated multiwalled carbon nanotubes can provide selective detection of benzene at trace levels (i.e., detection limit below 50 ppb.",
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Selective detection of benzene traces at room temperature using metal decorated carbon nanotubes. / Leghrib, R.; Llobet, E.; Felten, A.; Pireaux, J.J.; Demoisson, F.; Reniers, F.

Dans: Procedia Engineering, Vol 5, 01.01.2010, p. 385-388.

Résultats de recherche: Contribution à un journal/une revueArticle

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AU - Reniers, F.

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