Plasma-Induced Grafting of Cyclodextrin onto Multiwall Carbon Nanotube/Iron Oxides for Adsorbent Application

DOI Web Site PubMed 被引用文献3件
  • Jun Hu
    Key Laboratory of Novel Thin Film Solar Cells, Institute of Plasma Physics, Chinese Academy of Sciences, P.O. Box 1126, 230031 Hefei, P.R. China, and Graduate School of Science and Technology, Shizuoka University, 3-5-1, Johoka-ku, Hamamatsu 432-8561, Japan
  • Dadong Shao
    Key Laboratory of Novel Thin Film Solar Cells, Institute of Plasma Physics, Chinese Academy of Sciences, P.O. Box 1126, 230031 Hefei, P.R. China, and Graduate School of Science and Technology, Shizuoka University, 3-5-1, Johoka-ku, Hamamatsu 432-8561, Japan
  • Changlun Chen
    Key Laboratory of Novel Thin Film Solar Cells, Institute of Plasma Physics, Chinese Academy of Sciences, P.O. Box 1126, 230031 Hefei, P.R. China, and Graduate School of Science and Technology, Shizuoka University, 3-5-1, Johoka-ku, Hamamatsu 432-8561, Japan
  • Guodong Sheng
    Key Laboratory of Novel Thin Film Solar Cells, Institute of Plasma Physics, Chinese Academy of Sciences, P.O. Box 1126, 230031 Hefei, P.R. China, and Graduate School of Science and Technology, Shizuoka University, 3-5-1, Johoka-ku, Hamamatsu 432-8561, Japan
  • Jiaxing Li
    Key Laboratory of Novel Thin Film Solar Cells, Institute of Plasma Physics, Chinese Academy of Sciences, P.O. Box 1126, 230031 Hefei, P.R. China, and Graduate School of Science and Technology, Shizuoka University, 3-5-1, Johoka-ku, Hamamatsu 432-8561, Japan
  • Xiangke Wang
    Key Laboratory of Novel Thin Film Solar Cells, Institute of Plasma Physics, Chinese Academy of Sciences, P.O. Box 1126, 230031 Hefei, P.R. China, and Graduate School of Science and Technology, Shizuoka University, 3-5-1, Johoka-ku, Hamamatsu 432-8561, Japan
  • Masaaki Nagatsu
    Key Laboratory of Novel Thin Film Solar Cells, Institute of Plasma Physics, Chinese Academy of Sciences, P.O. Box 1126, 230031 Hefei, P.R. China, and Graduate School of Science and Technology, Shizuoka University, 3-5-1, Johoka-ku, Hamamatsu 432-8561, Japan

書誌事項

公開日
2010-05-03
DOI
  • 10.1021/jp911424k
公開者
American Chemical Society (ACS)

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説明

The magnetic composite of beta-cyclodextrin grafted onto multiwalled carbon nanotubes/iron oxides (denoted as MWCNTs/iron oxides/CD) was synthesized using the plasma-induced grafting technique and was developed for the removal of inorganic and organic pollutants from aqueous solutions. The characteristic results of Fourier transform infrared (FT-IR) spectroscopy, X-ray photoelectron spectroscopy (XPS), powder X-ray diffraction (XRD), and thermogravimetric analysis (TGA) showed that beta-CD was grafted onto the MWCNTs/iron oxides. The grafted beta-CD on the MWCNTs/iron oxides contributed to an enhancement of the adsorption capacity because of the strong abilities of the multiple hydroxyl groups and the inner cores of the hydrophobic cavity in beta-CD to form complexes with metal ions and organic pollutants. MWCNTs/iron oxides/CD can be separated and recovered from solution by magnetic separation. The adsorption of Pb(II) on MWCNTs/iron oxides/CD was found to be dependent on pH, and the adsorption of 1-naphthol was found to be independent of pH. The results show that the magnetic composite of MWCNTs/iron oxides/CD is a promising composite material for the preconcentration and separation of inorganic and organic pollutants from aqueous solutions in environmental pollution cleanup.

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