Catalysis Letters

, Volume 116, Issue 3–4, pp 122–127 | Cite as

Direct observation of carbon nanotube formation in Pd/H-ZSM-5 and MoO3/H-ZSM-5 based methane activation catalysts

  • S. Burns
  • J. G. Gallagher
  • J. S. J. Hargreaves
  • P. J. F. Harris


The nature of carbonaceous species deposited upon MoO3/H-ZSM-5 and Pd/H-ZSM-5 based catalysts during methane activation at 700 °C has been studied. TEM evidences the formation of open-ended multi-walled carbon nanotubes on MoO3/H-ZSM-5 based dehydroaromatisation catalysts. Pd/H-ZSM-5 is more active, exclusively towards methane cracking and post-reaction analysis reveals the distribution of different carbonaceous species is more homogeneous which TEM demonstrates to be in the form of closed-end multi-walled carbon nanotubes.


carbon nanotubes methane dehydroaromatisation zeolite TEM TGA 



JSJH and SB acknowledge the EPSRC and University of Glasgow for the provision of a DTA studentship to SB. The kind assistance of Mrs. Kim Wilson in performing CHN analyses is gratefully acknowledged.


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Copyright information

© Springer Science+Business Media, LLC 2007

Authors and Affiliations

  • S. Burns
    • 1
  • J. G. Gallagher
    • 1
  • J. S. J. Hargreaves
    • 1
  • P. J. F. Harris
    • 2
  1. 1.WestCHEM, Department of ChemistryUniversity of GlasgowGlasgowUK
  2. 2.Centre for Advanced Microscopy, J. J. Thomson Physical LaboratoryUniversity of ReadingReadingUK

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