Model of Improved Arc Generator for Fullerene Production

Process of fullerene formation and fragmentation is studied in various zones of fullerene generator. Fullerenes are produced utilizing carbon arc method, in which graphite electrodes are vaporized in a low pressure helium atmosphere by passing an electrical current through the electrodes. The effect...

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Bibliographic Details
Published in:Fullerene science and technology 1997-08, Vol.5 (5), p.903-918
Main Authors: Marković, Z. M., Jokić, T. Lj, Todorović-Marković, B. M., Bianuša, J. L., Nenadovic, T. M.
Format: Article
Language:English
Subjects:
Atomic and molecular clusters
Atomic and molecular physics
Exact sciences and technology
Physics
Studies of special atoms, molecules and their ions
clusters
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Summary:Process of fullerene formation and fragmentation is studied in various zones of fullerene generator. Fullerenes are produced utilizing carbon arc method, in which graphite electrodes are vaporized in a low pressure helium atmosphere by passing an electrical current through the electrodes. The effects of the gas pressure and intensity of the direct current on fullerene yield are investigated. Maximum fullerene yield of 8% is found in a raw soot after the evaporation of graphite by a 60 A direct current, in a helium ambient under the pressure of 8 kPa.
ISSN:1064-122X
1532-2343
DOI:10.1080/15363839708013306