Synthesis of Fe₃O₄ Nanoparticles to Synthesize Bundles of Single-Walled Carbon Nanotubes

Abstract:

Magnetite (Fe₃O₄) nanoparticles were synthesized in aqueous solutions without any surfactants. The Fe₃O₄ nanoparticles are nearly spherical and have an average diameter of 10.33nm and a narrow size distribution. Bundles of single-walled carbon nanotube (SWCNT) were synthesized using these Fe₃O₄ nanoparticles supported by MgO. Transmission electron microscopy (TEM) images show that tremendous amount of bundles SWCNT with uniform diameters were produced. The average diameter of bundles SWCNT is 1.22nm. Raman spectrum shows that well graphitized SWCNTs were formed based on the low ratio of I_D/I_G. Fe₃O₄ nanoparticles could be an effective active metal to synthesize large quantity bundles of SWCNT.

• Periodical: Advanced Materials Research (Volume 1109)
• Pages: 108-112
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.1109.108
• Online since: June 2015
• Authors: Wei Wen Liu, Azizan Aziz, Siang Piao Chai, Abdul Rahman Mohamed*, U. Hashim, Chin Wei Lai
• Keywords: Chemical Vapor Deposition (CVD), Electron Microscopy, Raman Spectroscopy, Single-Walled Carbon Nanotubes

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