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Characterization of the Chemical Bonding between Al2O3 and Nanotube in MWCNT/ Al2O3 Nanocomposite

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Abstract:

This work investigates the possible chemical bond formation between functionalized carbon nanotubes and alumina, in multiwall carbon nanotubes/alumina nanocomposite (MWCNT/Al2O3), with the aid of spectroscopic analysis. For this purpose, the nanocomposite MWCNT/alumina was synthesized via hydrothermal treatment. Different characterization techniques, scanning electron microscopy, energy dispersive X-ray spectroscope, X-ray diffraction, Fourier transformed infrared spectroscope and high-resolution transmission electron microscopy, have been used to investigate the interaction of the nanocomposite. XRD data confirmed the main alumina phase on the nanotube was α - Al2O3, with 12 nm average crystallite size. The presence of a shift in the carbonyl peak between oxidized nanotube and the nanocomposite, from 1710 cm-1 to 1630 cm-1 indicates the formation of chemical bond between alumina and CNT tips. The study predicts the possibility of covalent chemical bonding between alumina and the nanotube.

Keywords: Carbon nanotubes; alumina; chemical interaction

Document Type: Research Article

Publication date: October 1, 2012

More about this publication?
  • Current Nanoscience publishes authoritative reviews and original research reports, written by experts in the field on all the most recent advances in nanoscience and nanotechnology. All aspects of the field are represented including nano- structures, synthesis, properties, assembly and devices. Applications of nanoscience in biotechnology, medicine, pharmaceuticals, physics, material science and electronics are also covered. The journal is essential to all involved in nanoscience and its applied areas.
ben/cnano/2012/00000008/00000005/art00016
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