Preparation, characterization, and photocatalytic applications of MWCNTs/TiO2 composite

Publikation: Beitrag in Fachzeitschrift › Artikel › Forschung › Peer-Review

Autoren

  • A.M. Kamil
  • F.H. Hussein
  • A.F. Halbus
  • D.W. Bahnemann

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OriginalspracheEnglisch
Aufsatznummer475713
FachzeitschriftInternational Journal of Photoenergy
Jahrgang2014
PublikationsstatusVeröffentlicht - 28 Aug. 2014

Abstract

The multiwall carbon nanotubes (MWCNTs)/titanium dioxide (P25) composite in different ratios was prepared using simple evaporation and drying process. The composite was characterized by Raman spectroscopy, X-ray diffraction (XRD), UV-visible diffuse reflectance spectroscopy, and scanning electron microscopy (SEM). The photocatalytic activity of this composite was investigated using degradation of the Bismarck brown R dye (BBR). An optimal MWCNTs/TiO 2 ratio of 0.5% (w/w) was found to achieve the maximum rate of BBR degradation. It was observed that the composite exhibits enhanced photocatalytic activity compared with TiO 2. The enhancement in photocatalytic activity performance of the MWCNTs/P25 composite is explained in terms of recombination of photogenerated electron-hole pairs. In addition, MWCNTs act as a dispersing support to control the morphology of TiO 2 particles in the MWCNTs/TiO 2 composite.

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Preparation, characterization, and photocatalytic applications of MWCNTs/TiO2 composite. / Kamil, A.M.; Hussein, F.H.; Halbus, A.F. et al.
in: International Journal of Photoenergy, Jahrgang 2014, 475713, 28.08.2014.

Publikation: Beitrag in Fachzeitschrift › Artikel › Forschung › Peer-Review

Kamil AM, Hussein FH, Halbus AF, Bahnemann DW. Preparation, characterization, and photocatalytic applications of MWCNTs/TiO2 composite. International Journal of Photoenergy. 2014 Aug 28;2014:475713. doi: 10.1155/2014/475713
Kamil, A.M. ; Hussein, F.H. ; Halbus, A.F. et al. / Preparation, characterization, and photocatalytic applications of MWCNTs/TiO2 composite. in: International Journal of Photoenergy. 2014 ; Jahrgang 2014.
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abstract = "The multiwall carbon nanotubes (MWCNTs)/titanium dioxide (P25) composite in different ratios was prepared using simple evaporation and drying process. The composite was characterized by Raman spectroscopy, X-ray diffraction (XRD), UV-visible diffuse reflectance spectroscopy, and scanning electron microscopy (SEM). The photocatalytic activity of this composite was investigated using degradation of the Bismarck brown R dye (BBR). An optimal MWCNTs/TiO 2 ratio of 0.5% (w/w) was found to achieve the maximum rate of BBR degradation. It was observed that the composite exhibits enhanced photocatalytic activity compared with TiO 2. The enhancement in photocatalytic activity performance of the MWCNTs/P25 composite is explained in terms of recombination of photogenerated electron-hole pairs. In addition, MWCNTs act as a dispersing support to control the morphology of TiO 2 particles in the MWCNTs/TiO 2 composite. ",
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AU - Kamil, A.M.

AU - Hussein, F.H.

AU - Halbus, A.F.

AU - Bahnemann, D.W.

N1 - Publisher Copyright: © 2014 Ahmed M. Kamil et al. Copyright: Copyright 2018 Elsevier B.V., All rights reserved.

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N2 - The multiwall carbon nanotubes (MWCNTs)/titanium dioxide (P25) composite in different ratios was prepared using simple evaporation and drying process. The composite was characterized by Raman spectroscopy, X-ray diffraction (XRD), UV-visible diffuse reflectance spectroscopy, and scanning electron microscopy (SEM). The photocatalytic activity of this composite was investigated using degradation of the Bismarck brown R dye (BBR). An optimal MWCNTs/TiO 2 ratio of 0.5% (w/w) was found to achieve the maximum rate of BBR degradation. It was observed that the composite exhibits enhanced photocatalytic activity compared with TiO 2. The enhancement in photocatalytic activity performance of the MWCNTs/P25 composite is explained in terms of recombination of photogenerated electron-hole pairs. In addition, MWCNTs act as a dispersing support to control the morphology of TiO 2 particles in the MWCNTs/TiO 2 composite.

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