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An XPS Study of Oxyfluorinated Multiwalled Carbon Nano Tubes
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  • Journal title : Carbon letters
  • Volume 8, Issue 4,  2007, pp.292-298
  • Publisher : Korean Carbon Society
  • DOI : 10.5714/CL.2007.8.4.292
 Title & Authors
An XPS Study of Oxyfluorinated Multiwalled Carbon Nano Tubes
Yun, Seok-Min; Kim, Ju-Wan; Jung, Min-Jung; Nho, Young-Chang; Kang, Phil-Hyun; Lee, Young-Seak;
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 Abstract
In order to investigate functional groups on the surface of Multi-walled Carbon Nanotubes (MWCNTs) induced by oxyfluorination, XPS (X-ray photoelectron spectroscopy) analysis was carried out. All core level spectra of MWCNTs were deconvoluted to several Pseudo-Voigt functions (sum of Gaussian-Lorentzian functions). Both O1s and F1s binding energy of oxyfluorinated MWCNTs shifted high value as increment of fluorine mixing ratio. The carbon-fluorine covalent bonding concentration increased as increment of fluorine mixing ratio. The shape and intensity of OF10-MWCNTs are similar with those of as-received MWCNTs. However, the intensity and binding energies of main peak position of OF20-MWCNTs and OF30-MWCNTs were dramatically increased by oxyfluorination.
 Keywords
MWCNTs;Oxyfluorination;XPS;Pseudo-Voigt functions;
 Language
English
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