Preparation and characterization of a new clustered {С70}n fullerene material
Abstract
A new clustered fullerene material {C70}n has been prepared and studied using UV/vis spectroscopy, dynamic light scattering and liquid-liquid extraction. The material was prepared from aqueous fullerene dispersions of C70 by ultracentrifugation. The dispersions were obtained via an ordinary solvent-exchange procedure. Liquid–liquid extraction of {C70}n from water to the organic phase without any extra reagents was observed for the first time. {C70}n fullerene solid material was made and characterized with transmission electron microscopy and differential scanning calorimetry.
Supporting agencies: This work was supported by the Russian Foundation for Basic Research, grants nos. 12-03-00653-a and 12-03-31569-mol a and the Ministry of Science and Technology of Russian Federation, contract no. 16.740.11.0471 and by the grant for Leading Scientific Schools in Russia. We thank Dr. S. Savilov and his group at the scientific center of NanoChemistry and Chemistry of Atmosphere at the Department of Chemistry of MSU for HRTEM images. We thank P.I. Semenyuk at the A.N. Belozersky Institute of Physicochemical Biology of MSU for providing the DLS data.
About the Authors
I. V. Mikheev
Lomonosov Moscow State University
Russian Federation
Russian Federation
Chemistry Department
Moscow, 119991
D. S. Volkov
Lomonosov Moscow State University
Russian Federation
Russian Federation
Chemistry Department
Moscow, 119991
M. A. Proskurnin
Lomonosov Moscow State University
Russian Federation
Russian Federation
Chemistry Department
Moscow, 119991
N. V. Avramenko
Lomonosov Moscow State University
Russian Federation
Russian Federation
Chemistry Department
Moscow, 119991
M. V. Korobov
Lomonosov Moscow State University
Russian Federation
Russian Federation
Chemistry Department
Moscow, 119991
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Review
For citations:
Mikheev I.V., Volkov D.S., Proskurnin M.A., Avramenko N.V., Korobov M.V. Preparation and characterization of a new clustered {С70}n fullerene material. Nanosystems: Physics, Chemistry, Mathematics. 2014;5(1):46-52.
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