• ISSN 0258-2724
  • CN 51-1277/U
  • EI Compendex
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Volume 21 Issue 4
Aug.  2008
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Article Contents
JIANG Qi, ZOU Yongliang, ZHAO Yong. Preparation of Carbon Nanotube with Small Diameters Using Co-Mo/MgO as Catalyst[J]. Journal of Southwest Jiaotong University, 2008, 21(4): 540-543.
Citation: JIANG Qi, ZOU Yongliang, ZHAO Yong. Preparation of Carbon Nanotube with Small Diameters Using Co-Mo/MgO as Catalyst[J]. Journal of Southwest Jiaotong University, 2008, 21(4): 540-543.

Preparation of Carbon Nanotube with Small Diameters Using Co-Mo/MgO as Catalyst

  • Received Date: 07 Nov 2007
  • Publish Date: 25 Aug 2008
  • Carbon nanotubes(CNTs) with small diameters were prepared by catalytic chemical vapor deposition using Co-Mo/MgO as the catalyst and CH4 as the carbon source.The catalyst was prepared by citric acid complexation.The reaction atmosphere and temperature were studied deliberately to optimize the procedure.The morphologies of the obtained CNTs were characterized by transmission electron microscopy and high-resolution transmission electron microscopy.The CNTs with diameters about 10 nm were obtained with a yield over 110% when the reaction temperature was 950℃,the gas flow rates of H2,N2 and CH4 were 200,200 and 50 mL/min,respectively.

     

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