Nonself-sustained microwave discharge in a system for hydrocarbon decomposition and generation of carbon nanotubes

Yury D. Korolev, Oleg B. Frants, Nikolay V. Landl, Vladimir G. Geyman, Aleksey G. Zerlitsyn, Vladimir P. Shiyan, Yury V. Medvedev

The Weinberg Research Center

Research output: Contribution to journal › Article

4 Citations (Scopus)

Abstract

This paper deals with the investigation of a method for sustainment of high-power microwave discharge in the installation for natural-gas decomposition. The essence of the method is to provide a generation of auxiliary discharge plasma in the area where the main microwave plasma torch burns. The design of the electrode system of auxiliary discharge resembles that for a coaxial plasmatron that consumes an average current of about 0.1 A. Then, the nonself-sustained microwave discharge with a frequency of 2.45 GHz has been obtained at a power level from 1 to 3 kW. Such a discharge has been used in the installation for natural-gas decomposition and generation of the carbon nano- tubes. With a typical gas flow of 1 m³/h, the natural-gas conversion achieves 40%-80%. Three types of nanotubes are contained in the final product: multilayer tubes, single-layer tubes, and onion-type tubes.

Original language	English
Article number	5313884
Pages (from-to)	2298-2302
Number of pages	5
Journal	IEEE Transactions on Plasma Science
Volume	37
Issue number	12
DOIs	https://doi.org/10.1109/TPS.2009.2032546
Publication status	Published - 1 Dec 2009

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Keywords

Glow-to-spark transition
Microwave discharge
Nanotubes
Plasma torches

ASJC Scopus subject areas

Nuclear and High Energy Physics
Condensed Matter Physics

Cite this

Korolev, Y. D., Frants, O. B., Landl, N. V., Geyman, V. G., Zerlitsyn, A. G., Shiyan, V. P., & Medvedev, Y. V. (2009). Nonself-sustained microwave discharge in a system for hydrocarbon decomposition and generation of carbon nanotubes. IEEE Transactions on Plasma Science, 37(12), 2298-2302. [5313884]. https://doi.org/10.1109/TPS.2009.2032546

Nonself-sustained microwave discharge in a system for hydrocarbon decomposition and generation of carbon nanotubes. / Korolev, Yury D.; Frants, Oleg B.; Landl, Nikolay V.; Geyman, Vladimir G.; Zerlitsyn, Aleksey G.; Shiyan, Vladimir P.; Medvedev, Yury V.

In: IEEE Transactions on Plasma Science, Vol. 37, No. 12, 5313884, 01.12.2009, p. 2298-2302.

Research output: Contribution to journal › Article

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Access to Document

10.1109/TPS.2009.2032546