Paper Title:
Effect of Temperature on the Growth of Vertically Aligned Carbon Nanotubes from Palm Oil
  Abstract

The effects of synthesis temperature on the quality and quantity of vertically aligned carbon nanotubes (VACNT) were studied using high resolution scanning electron microscopy, and micro-Raman spectroscopy. The VACNT was synthesized by Fe catalytic decomposition of palm oil deposited on silicon substrate by thermal chemical vapour deposition method. The analysis shows that the growth rate increases from 3.8 to 5.5 µm/min as the temperature was increased from 750 to 800°C. The nanotube diameters were observed bigger at low temperature range. Smaller and uniform diameter (~15 nm) was found at 750°C and the increment in diameter size was seen at higher temperature range. Smaller graphite Raman “G” peak width, low ID/IG ratio (~0.52) indicated higher crystallinity of the nanotube and moderate I2D1/ I2D2 ratio for second order Raman peak was also detected at synthesis temperature of 750°C. These results indicated that the optimum synthesis temperature for higher quality VACNT production was at 750°C.

  Info
Periodical
Defect and Diffusion Forum (Volumes 312-315)
Edited by
Andreas Öchsner, Graeme E. Murch and João M.P.Q. Delgado
Pages
900-905
DOI
10.4028/www.scientific.net/DDF.312-315.900
Citation
A. B. Suriani , S. Muhamad, P. S. Mohamad Saad, R. Md Nor, Y. Mohd Siran, S. A. M. Rejab, A. J. Asis, S. Tahiruddin, S. Abdullah, M. M. Rusop , "Effect of Temperature on the Growth of Vertically Aligned Carbon Nanotubes from Palm Oil", Defect and Diffusion Forum, Vols. 312-315, pp. 900-905, 2011
Online since
April 2011
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