NANOSYSTEMS: PHYSICS, CHEMISTRY, MATHEMATICS, 2014, 5 (1), P. 46–52
PREPARATION AND CHARACTERIZATION OF A NEW CLUSTERED {C70}n FULLERENE MATERIAL
I.V. Mikheev – Lomonosov Moscow State University, Chemistry Department, Moscow, 119991, Russia; mikheev.ivan@gmail.com
D.S. Volkov – Lomonosov Moscow State University, Chemistry Department, Moscow, 119991, Russia
M.A. Proskurnin – Lomonosov Moscow State University, Chemistry Department, Moscow, 119991, Russia
N.V. Avramenko – Lomonosov Moscow State University, Chemistry Department, Moscow, 119991, Russia
M.V. Korobov – Lomonosov Moscow State University, Chemistry Department, Moscow, 119991, Russia
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.
Keywords: fullerenes, solid material, extraction properties, DSC.
PACS 61.48.-c
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