Comparative Analysis of Products of the Fullerenes’ and Carbon-Nanostructures’ Synthesis Using the SIGE and FGDG-7 Grades of Graphite
Zolotarenko O.D. Rudakova E.P. Akhanova N.Yu. Zolotarenko A.D. Shchur D.V. Matysina Z.A. Gabdullin M.T. Ualkhanova M. Gavrylyuk N.A. Chymbai M.V. Zagorulko I.V.
2022G.V. Kurdyumov Institute for Metal Physics of N.A.S. of Ukraine
Nanosistemi, Nanomateriali, Nanotehnologii
2022#20Issue 3725 - 744 pp.
Carbon nanostructures (CNS) of different types (carbon nanotubes, fullerenes and fullerene-like structures) are obtained by the method of electricarc evaporation of graphite grades, namely, SIGE (special impregnated graphite electrodes) and FGDG-7 (fine grained dense graphite with a density of 7), within the inert gas (He). A comparative analysis of synthesized-CNS characteristics is performed. The optimal technological conditions for the synthesis of CNS from graphite anode electrodes of comparable grades (SIGE and FGDG-7) are determined. Deposits of plasma chemical synthesis are studied. The structure of the synthesized carbon materials is studied by scanning and transmission electron microscopies, and as shown, carbon nanotubes are formed during the evaporation of SIGE brand graphite even without the use of a catalyst. Differential-thermal, thermogravimetric and differential thermogravimetric analyses are performed, according to the results of which the temperatures of the beginning of interaction of the formed CNS with air oxygen are established. According to the data of the photospectral analysis of the synthesis products, calculations are performed, and it is shown that the fullerene component obtained by evaporation of SIGE brand graphite contains 10–12% of the C60 and C70 fullerenes that is not inferior to similar indicators of FGDG-7 brand graphite. Taking into account the cheapness of SIGE brand graphite compared to FGDG-7 graphite brand, it can be argued that carbon nanostructures synthesized from SIGE brand graphite have a lower cost. This fact is important for the synthesis of carbon nanostructures as filler for state-of-the-art composites. In addition, the synthesis of much cheaper fullerene and fullerene-like molecules is a great advantage for their study and using in state-of-the-art materials, because today, new state-of-the-art nanotechnologies on the base of fullerenes are beginning to be created.
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Chuiko Institute of Surface Chemistry, of the N.A.S. of Ukraine, 17, General Naumov Str., Kyiv, UA-03164, Ukraine
I. M. Frantsevych Institute for Problems of Materials Science, N.A.S. of Ukraine, 3, Krzhyzhanovsky Str., Kyiv, UA-03142, Ukraine
G. V. Kurdyumov Institute for Metal Physics, N.A.S. of Ukraine, 36, Acad. Vernadsky Blvd., Kyiv, UA-03142, Ukraine
Kazakhstan–British Technical University, 59, Tole bi Str., Almaty, 050000, Kazakhstan
NNLOT, Al-Farabi Kazakh National University, 71, Al-Farabi Ave., Almaty, 050040, Kazakhstan
Chuiko Institute of Surface Chemistry
I. M. Frantsevych Institute for Problems of Materials Science
G. V. Kurdyumov Institute for Metal Physics
Kazakhstan–British Technical University
NNLOT
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