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Nanomaterials 2017, 7(3), 50; doi:10.3390/nano7030050

Influence of Plasma Jet Temperature Profiles in Arc Discharge Methods of Carbon Nanotubes Synthesis

Institute of Mechatronics and Information Systems, Lodz University of Technology, 90-924 Lodz, Poland
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Academic Editors: Krasimir Vasilev and Melanie Ramiasa
Received: 30 December 2016 / Revised: 14 February 2017 / Accepted: 16 February 2017 / Published: 23 February 2017
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Abstract

One of the most common methods of carbon nanotubes (CNTs) synthesis is application of an electric-arc plasma. However, the final product in the form of cathode deposit is composed of carbon nanotubes and a variety of carbon impurities. An assay of carbon nanotubes produced in arc discharge systems available on the market shows that commercial cathode deposits contain about 10% CNTs. Given that the quality of the final product depends on carbon–plasma jet parameters, it is possible to increase the yield of the synthesis by plasma jet control. Most of the carbon nanotubes are multiwall carbon nanotubes (MWCNTs). It was observed that the addition of catalysts significantly changes the plasma composition, effective ionization potential, the arc channel conductance, and in effect temperature of the arc and carbon elements flux. This paper focuses on the influence of metal components on plasma-jet forming containing carbon nanotubes cathode deposit. The plasma jet temperature control system is presented. View Full-Text
Keywords: carbon nanotubes; arc discharge; plasma jet; temperature measurement carbon nanotubes; arc discharge; plasma jet; temperature measurement
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Raniszewski, G.; Wiak, S.; Pietrzak, L.; Szymanski, L.; Kolacinski, Z. Influence of Plasma Jet Temperature Profiles in Arc Discharge Methods of Carbon Nanotubes Synthesis. Nanomaterials 2017, 7, 50.

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