Functionalization of single-walled carbon nanotubes by using alkyl-halides

R. Barthos, D. Méhn, A. Demortier, N. Pierard, Y. Morciaux, G. Demortier, A. Fonseca, J. B. Nagy

Research output: Contribution to journalArticle

62 Citations (Scopus)

Abstract

In this paper we demonstrate the functionalization of single-walled carbon nanotubes prepared by chemical vapor deposition. The chosen functionalization agents were alkyl-halides such as trifluoromethane (TFM) and trichloromethane (TCM); or double bond containing alkyl-halides as tetrachloroethylene (TCE) and hexafluoropropene (HFP) that can easily form radicals. Functionalization of samples was carried out under mild conditions, by ball milling of nanotubes in an atmosphere of functionalization agent, at room temperature. For the sake of comparison, chlorination was also performed by chlorine gas. In this process the cleavage of nanotube C-C bonds results in active sites, which can activate molecules in gas phase or adsorbed on the surface of carbon nanotubes. Halogenated samples were characterized by means of particle induced y-ray emission, transmission electron microscopy, thermogravimetry, and X-ray photoelectron spectroscopy. We concluded that this method gives functionalized single-walled carbon nanotubes in the range of 0.3-3.5 wt.% of fluorine and 5.5-17.5wt.% of chlorine.

Original languageEnglish
Pages (from-to)321-325
Number of pages5
JournalCarbon
Volume43
Issue number2
DOIs
Publication statusPublished - 2005

Fingerprint

Chlorine
Single-walled carbon nanotubes (SWCN)
Nanotubes
Gases
Tetrachloroethylene
Carbon Nanotubes
Fluorine
Chlorination
Ball milling
Chloroform
Thermogravimetric analysis
Chemical vapor deposition
Carbon nanotubes
X ray photoelectron spectroscopy
Transmission electron microscopy
Molecules
Temperature
fluoroform
hexafluoropropene

Keywords

  • A. Carbon nanotubes
  • B. Grinding, surface treatment
  • C. Transmission electron microscopy, X-ray photoelectron spectroscopy

ASJC Scopus subject areas

  • Materials Chemistry

Cite this

Barthos, R., Méhn, D., Demortier, A., Pierard, N., Morciaux, Y., Demortier, G., ... Nagy, J. B. (2005). Functionalization of single-walled carbon nanotubes by using alkyl-halides. Carbon, 43(2), 321-325. https://doi.org/10.1016/j.carbon.2004.09.018

Functionalization of single-walled carbon nanotubes by using alkyl-halides. / Barthos, R.; Méhn, D.; Demortier, A.; Pierard, N.; Morciaux, Y.; Demortier, G.; Fonseca, A.; Nagy, J. B.

In: Carbon, Vol. 43, No. 2, 2005, p. 321-325.

Research output: Contribution to journalArticle

Barthos, R, Méhn, D, Demortier, A, Pierard, N, Morciaux, Y, Demortier, G, Fonseca, A & Nagy, JB 2005, 'Functionalization of single-walled carbon nanotubes by using alkyl-halides', Carbon, vol. 43, no. 2, pp. 321-325. https://doi.org/10.1016/j.carbon.2004.09.018
Barthos R, Méhn D, Demortier A, Pierard N, Morciaux Y, Demortier G et al. Functionalization of single-walled carbon nanotubes by using alkyl-halides. Carbon. 2005;43(2):321-325. https://doi.org/10.1016/j.carbon.2004.09.018
Barthos, R. ; Méhn, D. ; Demortier, A. ; Pierard, N. ; Morciaux, Y. ; Demortier, G. ; Fonseca, A. ; Nagy, J. B. / Functionalization of single-walled carbon nanotubes by using alkyl-halides. In: Carbon. 2005 ; Vol. 43, No. 2. pp. 321-325.
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AB - In this paper we demonstrate the functionalization of single-walled carbon nanotubes prepared by chemical vapor deposition. The chosen functionalization agents were alkyl-halides such as trifluoromethane (TFM) and trichloromethane (TCM); or double bond containing alkyl-halides as tetrachloroethylene (TCE) and hexafluoropropene (HFP) that can easily form radicals. Functionalization of samples was carried out under mild conditions, by ball milling of nanotubes in an atmosphere of functionalization agent, at room temperature. For the sake of comparison, chlorination was also performed by chlorine gas. In this process the cleavage of nanotube C-C bonds results in active sites, which can activate molecules in gas phase or adsorbed on the surface of carbon nanotubes. Halogenated samples were characterized by means of particle induced y-ray emission, transmission electron microscopy, thermogravimetry, and X-ray photoelectron spectroscopy. We concluded that this method gives functionalized single-walled carbon nanotubes in the range of 0.3-3.5 wt.% of fluorine and 5.5-17.5wt.% of chlorine.

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