Nano Archive

Synthesis of single-walled carbon nanotubes by induction thermal plasma

Kim, Keun Su and Moradian, Ala and Mostaghimi, Javad and Alinejad, Yasaman and Shahverdi, Ali and Simard, Benoit and Soucy, Gervais (2009) Synthesis of single-walled carbon nanotubes by induction thermal plasma. Nano Research, 2 (10). pp. 800-817. ISSN 1998-0124 (print version) ISSN: 1998-0000 (electronic version)

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The production of high quality single-walled carbon nanotubes (SWCNTs) on a bulk scale has been an issue of considerable interest. Recently, it has been demonstrated that high quality SWCNTs can be continuously synthesized on large scale by using induction thermal plasma technology. In this process, the high energy density of the thermal plasma is employed to generate dense vapor-phase precursors for the synthesis of SWCNTs. With the current reactor system, a carbon soot product which contains approximately 40 wt% of SWCNTs can be continuously synthesized at the high production rate of 100 g/h. In this article, our recent research efforts to achieve major advances in this technology are presented. Firstly, the processing parameters involved are examined systematically in order to evaluate their individual influences on the SWCNT synthesis. Based on these results, the appropriate operating conditions of the induction thermal plasma process for an effective synthesis of SWCNTs are discussed. A characterization study has also been performed on the SWCNTs produced under the optimum processing conditions. Finally, a mathematical model of the process currently under development is described. The model will help us to better understand the synthesis of SWCNTs in the induction plasma process.

Item Type:Article
Subjects:Material Science > Nanofabrication processes and tools
ID Code:7837
Deposited By:M T V
Deposited On:30 Nov 2009 12:12
Last Modified:30 Nov 2009 12:12

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