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C60 Nanowhiskers Formed by the Liquid–liquid Interfacial Precipitation Method

Published online by Cambridge University Press:  31 January 2011

K. Miyazawa ,
Y. Kuwasaki ,
A. Obayashi  and
M. Kuwabara
K. Miyazawa
Affiliation:
Department of Materials Engineering, School of Engineering, University of Tokyo, 7–3-1, Hongo,Bunkyo-ku, Tokyo, 113–8656, Japan
Y. Kuwasaki
Affiliation:
Department of Materials Engineering, School of Engineering, University of Tokyo, 7–3-1, Hongo,Bunkyo-ku, Tokyo, 113–8656, Japan
A. Obayashi
Affiliation:
Department of Materials Engineering, School of Engineering, University of Tokyo, 7–3-1, Hongo,Bunkyo-ku, Tokyo, 113–8656, Japan
M. Kuwabara
Affiliation:
Department of Materials Engineering, School of Engineering, University of Tokyo, 7–3-1, Hongo,Bunkyo-ku, Tokyo, 113–8656, Japan
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Abstract

Fine needlelike crystals of C60 have been formed by a liquid–liquid interfacial precipitation method which uses an interface of the concentrated toluene solution of C60/isopropyl alcohol. The needlelike crystals of C60 with a diameter of submicrons (“C60 nanowhiskers”) were found to be single crystalline and composed of thin slabswith a thickness of about 10 nm. The intermolecular distance of the C60 nanowhiskerswas found to be shortened along the growth axis as compared with the pristine C60crystals, indicating a formation of strong bonding between C60 molecules. TheC60 nanowhiskers are assumed to be polymerized via the “2 + 2” cycloaddition inthe close-packed [110]c direction.

Type
Articles
Information
Journal of Materials Research , Volume 17 , Issue 1 , January 2002 , pp. 83 - 88
Copyright
Copyright © Materials Research Society 2002

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