Paper Title:
Tri-Metallic Catalyst for Mass Production of Quasi-Aligned Carbon Nanotubes by Thermal Chemical Vapor Deposition
  Abstract

In this paper, mass production of quasi-aligned CNTs was achieved with a new tri-metallic catalyst (Fe-Ni-Mo/MgO) by thermal CVD method, using methane as carbon precursor. The growth process was in-situ monitored by thermal gravimetry/differential scanning calorimetry (TG-DSC) technique, and the yield of CNTs over 2200% was attained under the mixture atmosphere of CH4 and H2 with flow rate about 25 ml/min and 5 ml/min respectively at 900°C for 30 min. The as-prepared products were characterized. Raman spectrums showed that the CNTs are multi-wall structure. The diameter of the CNTs was estimated to be 20-30 nm. We think the synergism of FeNi3 alloy and Mo is the main reason for the high catalytic activity of tri-metallic catalyst.

  Info
Periodical
Key Engineering Materials (Volumes 368-372)
Edited by
Wei Pan and Jianghong Gong
Pages
1507-1509
DOI
10.4028/www.scientific.net/KEM.368-372.1507
Citation
Y. B. Cui, S. L. Zhan, X. F. Wu, G. Z. Gong, Y. J. Tian, Y. F. Chen, "Tri-Metallic Catalyst for Mass Production of Quasi-Aligned Carbon Nanotubes by Thermal Chemical Vapor Deposition", Key Engineering Materials, Vols. 368-372, pp. 1507-1509, 2008
Online since
February 2008
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