Effect of Metal Catalysts on Synthesis of Carbon Nanomaterials by Alcohol Catalytic Chemical Vapor Deposition

Authors

  • Worawut Muangrat King Mongkut's Institute of Technology Ladkrabang
  • Supanit Porntheeraphat National Electronics and Computer Technology Center (NECTEC)
  • Winadda Wongwiriyapan King Mongkut's Institute of Technology Ladkrabang

DOI:

https://doi.org/10.4186/ej.2013.17.5.35

Keywords:

carbon nanomaterials, multi-walled carbon nanotubes, carbon nanofibers, alcohol catalytic chemical vapor deposition.

Abstract

Carbon nanomaterials (CNMs) were synthesized by alcohol catalytic chemical vapor deposition (CVD) at atmospheric pressure using different metal catalysts (Ni, Co and Fe) at growth temperature of 700oC. Ni and Fe exhibited as active catalysts for multi-walled carbon nanotubes (MWNTs) growth, while Co acted as an active catalyst for bamboo-like MWNTs and carbon nanofibers (CNFs). The CNMs synthesized from Ni catalyst showed the highest crystallinity with a small amount of byproducts. These results imply that metal catalyst is key parameter to the structure, morphology and crystallinity of CNMs. The different effect of metal catalyst on growth of CNMs can be described in term of the difference in the change in Gibbs free energy for metal carbide formation.

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Author Biographies

Worawut Muangrat

College of Nanotechnology, King Mongkut's Institute of Technology Ladkrabang, Ladkrabang, Bangkok 10520, Thailand

Supanit Porntheeraphat

National Electronics and Computer Technology Center (NECTEC), Khlong Luang, Phathumthani 12120, Thailand

Winadda Wongwiriyapan

College of Nanotechnology, King Mongkut’s Institute of Technology Ladkrabang, Ladkrabang, Bangkok 10520, Thailand
NANOTEC-KMITL Center of Excellence on Nanoelectronic Device, Ladkrabang, Bangkok 10520, Thailand
Thailand Center of Excellence in Physics, CHE, Si Ayutthaya Road, Bangkok 10400, Thailand

Published

Vol 17 No 5, Dec 31, 2013

How to Cite

[1]
W. Muangrat, S. Porntheeraphat, and W. Wongwiriyapan, “Effect of Metal Catalysts on Synthesis of Carbon Nanomaterials by Alcohol Catalytic Chemical Vapor Deposition”, Eng. J., vol. 17, no. 5, pp. 35-40, Dec. 2013.