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CARBON NANOTUBES

Synthesis of Double Wall Carbon Nanotubes Using Sulfur as Catalyst

[+] Author and Article Information
O. A. Al-Hartomy1

Department of Physics, Faculty of science, King Abdul Aziz University, Jeddah 21589, Saudi Arabia; Department of Physics, Faculty of science,  University of Tabuk, Tabuk 71491, Saudi Arabiaoalhartomy@hotmail.com

M. A. SHAH

Department of Physics, Faculty of science, King Abdul Aziz University, Jeddah 21589, Saudi Arabia; Electron Microscopy Centre, Department of Physics, Faculty of science,  National Institute of Technology, Srinagar-190006, India

1

Corresponding author.

J. Electron. Packag 133(2), 020904 (Jun 07, 2011) (2 pages) doi:10.1115/1.4003867 History: Received April 13, 2010; Revised January 31, 2011; Published June 07, 2011; Online June 07, 2011

The requirements of simple and reliable protocols for the synthesis of nanostructures with controlled morphology continue to be a major challenge in nanoscale. We demonstrate a novel and simplified synthesis technique for double wall carbon nanotubes using flotation chemical vapour deposition by adding a small amount of sulfur into the catalyst. Double wall nanotubes (DWNTs) provide ideal geometries for numerous fundamental structural, electronic, thermal, and vibrational studies. The diameter distribution of DWNTs is 25 ± 10 nm except one which is ∼148.6 nm.

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Copyright © 2011 by American Society of Mechanical Engineers
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Figures

Grahic Jump Location
Figure 1

Shows the typical (a and b) low and (c and d) high-resolution SEM images of double-walled carbon nanotubes

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Figure 2

The TEM micrograph of DWCNTs

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Figure 3

The EDX of the product confirming the existence of elements in DWCNTs

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