Synthesis of carbon nanomaterials by means of microwave-assisted catalytic pyrolysis of cellulose
A.N. Zaritovskii1, E.N. Kotenko1, S.V. Grishchuk1, V.A. Glazunova2, G.K. Volkova2
1 L.M. Litvinenko Institute of Physical Organic and Coal Chemistry
2 Galkin Donetsk Institute for Physics and Engineering
DOI: 10.26456/pcascnn/2023.15.973
Original article
Abstract: The growing demand for carbon nanotubes, which are typical representatives of the class of carbon nanomaterials and have unique physical and chemical properties, necessitates the search for available and renewable hydrocarbon resources for their production and development of an energyefficient and a highly productive synthesis method. The prospects of using lignocellulosic biomass and its wastes as a carbon source for the synthesis of carbon nanotubes by means of microwave catalytic pyrolysis are considered. The expediency of research in this direction is emphasized. It is noted that one of the parameters responsible for the process of pyrolytic synthesis of carbon nanotubes is the concentration of microwave radiation absorber, which determines pyrolysis temperature. The effect of changing the concentration of microwave absorber in reaction mixture on the catalytic synthesis of multi-walled carbon nanotubes during microwave pyrolysis of cellulose has been studied. It is shown that a change in the microwave acceptor content from 10 to 30% is accompanied by an increase in the concentration of multi-walled carbon nanotubes of disordered morphology in reaction mixture. A twostage pyrolysis-synthesis process is suggested. The results of transmission electron microscopy and Xray phase analysis of the obtained products are considered.
Keywords: plant raw materials, carbon nanotubes, cellulose, microwave absorbers, concentration, microwave processing, pyrolysis
- Aleksandr N. Zaritovskii – Ph. D., Senior Researcher, Department of Supramolecular Chemistry, L.M. Litvinenko Institute of Physical Organic and Coal Chemistry
- Elena N. Kotenko – Junior Researcher, Department of Supramolecular Chemistry, L.M. Litvinenko Institute of Physical Organic and Coal Chemistry
- Svetlana V. Grishchuk – Junior Researcher, Department of Supramolecular Chemistry, L.M. Litvinenko Institute of Physical Organic and Coal Chemistry
- Valentina A. Glazunova – Researcher, Department of Physics and Engineering of High Pressure and Advanced Technologies, Galkin Donetsk Institute for Physics and Engineering
- Galina K. Volkova – Researcher, Department of Physics and Engineering of High Pressure and Advanced Technologies, Galkin Donetsk Institute for Physics and Engineering
Reference:
Zaritovskii, A.N. Synthesis of carbon nanomaterials by means of microwave-assisted catalytic pyrolysis of cellulose / A.N. Zaritovskii, E.N. Kotenko, S.V. Grishchuk, V.A. Glazunova, G.K. Volkova // Physical and chemical aspects of the study of clusters, nanostructures and nanomaterials. — 2023. — I. 15. — P. 973-981. DOI: 10.26456/pcascnn/2023.15.973. (In Russian).
Full article (in Russian): download PDF file
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