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Synthesis of Fullerenes (C60 AND C70) by Combustion of Hydrocarbons in A Flat Flame Burner

Published online by Cambridge University Press:  25 February 2011

S. Mitra ,
C. J. Pope ,
K. K. Gleason ,
Y. Makarovsky ,
A. L. Lafleur  and
J. B. Howard
S. Mitra
Affiliation:
Department of Chemical Engineering, Center for Environmental Health Sciences and Energy Laboratory, M.I.T, Cambridge, MA 02139
C. J. Pope
Affiliation:
Department of Chemical Engineering, Center for Environmental Health Sciences and Energy Laboratory, M.I.T, Cambridge, MA 02139
K. K. Gleason
Affiliation:
Department of Chemical Engineering, Center for Environmental Health Sciences and Energy Laboratory, M.I.T, Cambridge, MA 02139
Y. Makarovsky
Affiliation:
Department of Chemical Engineering, Center for Environmental Health Sciences and Energy Laboratory, M.I.T, Cambridge, MA 02139
A. L. Lafleur
Affiliation:
Department of Chemical Engineering, Center for Environmental Health Sciences and Energy Laboratory, M.I.T, Cambridge, MA 02139
J. B. Howard
Affiliation:
Department of Chemical Engineering, Center for Environmental Health Sciences and Energy Laboratory, M.I.T, Cambridge, MA 02139
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Abstract

Fullerene (C60 and C70) synthesis by combustion of ethylene and benzene in a flat flame burner was investigated. This method of fullerene synthesis is particularly attractive because of its potential of scale up. Also the ability to change the flame conditions andcontrol the yield of C60 and C70 makes this method versatile. No fullerenes were found in soot samples collected from the ethylene flame. However, fullerenes were formed in a benzene flame with C/O = 0.88 and operated at 40 torr, with cold gas velocity of 25.3 cm/s (273 K) and containing 10% argon. The concentration of fullerenes in this flame was found to depend strongly on the height above the burner surface. It exhibited a strong maxima at about 1.0 cm above the burner height suggesting the presence of both growth and destruction mechanisms.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 270: Symposium M – Novel Forms of Carbon , 1992 , 149
Copyright
Copyright © Materials Research Society 1992

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References

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