The use of water-soluble pyrene derivatives to probe the surface of carbon nanotubes

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Abstract

The influence of carbon nanotube (CNT) curvature and graphitization, pyrene derivative steric hindrance and pyrene diffusion in solution on the adsorption on CNTs of three water soluble pyrene derivatives was investigated. This study demonstrates that the diffusion effect can easily be eliminated by magnetic stirring. It also proves that more the CNT surface is flat (low curvature) and well graphitized, easier the adsorption is. In the second part of the work, the polyaromatic derivatives adsorption on the CNT surface is used to determine the specific surface of the samples with the help of BET and Langmuir equation. It is shown that the specific surface obtained corresponds to what is known for the CNT, taking into account their treatments (freeze-drying, high temperature evacuation, etc.).
Original languageEnglish
Pages (from-to)2935-2943
Number of pages9
JournalCarbon
Volume49
Issue number9
DOIs
Publication statusPublished - 1 Aug 2011

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Carbon Nanotubes
Derivatives
Water
Adsorption
Graphitization
Drying
pyrene
Temperature

Cite this

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title = "The use of water-soluble pyrene derivatives to probe the surface of carbon nanotubes",
abstract = "The influence of carbon nanotube (CNT) curvature and graphitization, pyrene derivative steric hindrance and pyrene diffusion in solution on the adsorption on CNTs of three water soluble pyrene derivatives was investigated. This study demonstrates that the diffusion effect can easily be eliminated by magnetic stirring. It also proves that more the CNT surface is flat (low curvature) and well graphitized, easier the adsorption is. In the second part of the work, the polyaromatic derivatives adsorption on the CNT surface is used to determine the specific surface of the samples with the help of BET and Langmuir equation. It is shown that the specific surface obtained corresponds to what is known for the CNT, taking into account their treatments (freeze-drying, high temperature evacuation, etc.).",
author = "S. Detriche and S. Devillers and J.-F. Seffer and J.B. Nagy and Z. Mekhalif and J. Delhalle",
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T1 - The use of water-soluble pyrene derivatives to probe the surface of carbon nanotubes

AU - Detriche, S.

AU - Devillers, S.

AU - Seffer, J.-F.

AU - Nagy, J.B.

AU - Mekhalif, Z.

AU - Delhalle, J.

N1 - Copyright 2011 Elsevier B.V., All rights reserved.

PY - 2011/8/1

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N2 - The influence of carbon nanotube (CNT) curvature and graphitization, pyrene derivative steric hindrance and pyrene diffusion in solution on the adsorption on CNTs of three water soluble pyrene derivatives was investigated. This study demonstrates that the diffusion effect can easily be eliminated by magnetic stirring. It also proves that more the CNT surface is flat (low curvature) and well graphitized, easier the adsorption is. In the second part of the work, the polyaromatic derivatives adsorption on the CNT surface is used to determine the specific surface of the samples with the help of BET and Langmuir equation. It is shown that the specific surface obtained corresponds to what is known for the CNT, taking into account their treatments (freeze-drying, high temperature evacuation, etc.).

AB - The influence of carbon nanotube (CNT) curvature and graphitization, pyrene derivative steric hindrance and pyrene diffusion in solution on the adsorption on CNTs of three water soluble pyrene derivatives was investigated. This study demonstrates that the diffusion effect can easily be eliminated by magnetic stirring. It also proves that more the CNT surface is flat (low curvature) and well graphitized, easier the adsorption is. In the second part of the work, the polyaromatic derivatives adsorption on the CNT surface is used to determine the specific surface of the samples with the help of BET and Langmuir equation. It is shown that the specific surface obtained corresponds to what is known for the CNT, taking into account their treatments (freeze-drying, high temperature evacuation, etc.).

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