Authors: V.D. Dobrovolsky, N.S. Anikina, O.Ya. Krivuschenko, S.S. Chuprov, O.V. Mil’to, A.D. Zolotarenko
Affilation: Institute for Problems of Materials Science of NAS of Ukraine, Ukraine
Pages: 616 - 618
Keywords: identification, endohedral metallofullerenes, UV-VIS spectroscopy method
As the class of new synthesized compounds endofullerenes attract a close attention of theorists and practicians and especially after appearance of possibility to produce them in macroscopic amounts. This has allowed the investigation of their atomic-molecular architecture, electron structure, the determination of levels for their possible applications. The search for the optimum composition (that increases EMF yield) of metal-carbon composites has been done in the present work. Analytical control over the EMF content in soot has been performed according to the specially developed procedure. At first the products of arc synthesis have been extracted from fullerene-containing soot by toluene using fractional extraction. After complete extraction of hollow fullerenes, extraction from “poor” soot has been continued in dimethylformamide at the boiling point. Identification of fullerenes in the extracts has been preformed by the method of UV-VIS spectroscopy.
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