Preparation and characteristics of functionalized multiwalled carbon nanotubes in polyimide mixed matrix membrane

S. M. Sanip, A. F. Ismail, P. S. Goh, B. C. Ng, M. S. Abdullah, T. Soga, M. Tanemura, H. Yasuhiko

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

The functionalization of multiwalled carbon nanotubes (MWNTs) with β cyclodextrin (β-CD) is described. The functionalization using β-CD treatment is an environmentally friendly and nondestructive method to modify carbon nanotubes. It was observed that the degree of functionalization increases with increasing ratios of β-CD as seen from the Raman analysis. The Raman spectra also indicated that the nanotubes walls were not damaged. The presence of functional groups associated with β-CD on the functionalized MWNTs indicated that the cyclodextrin groups were found to be adsorbed at the surface of the nanotubes walls. Mixed matrix membrane (MMM) was prepared by a phase inversion process. Enhanced selectivity and permeability for CO2 over CH4 was observed for MMM prepared using functionalized MWNTs.

Original languageEnglish
Pages (from-to)195-202
Number of pages8
JournalNano
Volume5
Issue number4
DOIs
Publication statusPublished - Aug 1 2010
Externally publishedYes

Keywords

  • Mutiwalled carbon nanotubes
  • cyclodextrin
  • functionalization
  • mixed matrix membrane

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics

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  • Cite this

    Sanip, S. M., Ismail, A. F., Goh, P. S., Ng, B. C., Abdullah, M. S., Soga, T., Tanemura, M., & Yasuhiko, H. (2010). Preparation and characteristics of functionalized multiwalled carbon nanotubes in polyimide mixed matrix membrane. Nano, 5(4), 195-202. https://doi.org/10.1142/S1793292010002104