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Effect of time on the metal-support (Fe-MgO) interaction in CVD synthesis of single-walled carbon nanotubes

Anna Steplewska, Ewa Borowiak-Palen, and Ryszard J. Kalenczuk

Centre of Knowledge Based Nanomaterials and Technologies, Institute of Chemical Engineering and Chemical Technology, West Pomeranian University of Technology, Pułaskiego St. 10, 70 322 Szczecin, Poland



Received: 29 June 2009  Revised: 25 September 2009  Accepted: 14 October 2009

Abstract: A study on the effect of the metal-support interaction by employing iron particles supported on magnesium oxide (MgO) nanopowder in an alcohol-CVD process for single-walled carbon nanotubes growth is presented. Upon the prolongation of the process time, three main observations were detected: (i) decrease of the mean nanotubes diameter, (ii) reduction of the diameter distribution by the factor of two, (iii) increase of relative purity of the samples.

Keywords: chemical vapor deposition - carbon nanotubes - Raman spectroscopy - high-resolution transmission electron microscope

Full paper is available at

DOI: 10.2478/s11696-009-0111-x


Chemical Papers 64 (2) 255–260 (2010)

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