Few-layer graphene particles based on thermally expanded cointercalate of graphite nitrate with acetic and formic acids

A.A. Davydova¹, E.V. Raksha¹, O.N. Oskolkova¹, V.V. Gnatovskaja¹, P.V. Sukhov¹, O.M. Padun¹, V.A. Glazunova², V.V. Burkhovetskij², G.K. Volkova², Yu.V. Berestneva³, M.V. Savoskin¹

¹ L.M. Litvinenko Institute of Physical Organic and Coal Chemistry
² Donetsk Institute for Physics and Engineering named after A.A. Galkin
³ Complex Melioration and Protective Afforestation of the Russian Academy of Sciences

DOI: 10.26456/pcascnn/2020.12.580

Original article

Abstract: Dispersions of graphene nanoparticles were obtained by liquid phase exfoliation of thermally expanded graphite in ethanol as well as tert-butanol via sonication. Initial thermally expanded graphite was obtained by heat treatment in the shock mode of ternary graphite nitrate intercalation compound with formic and acetic acids. Investigation of the graphite nitrate intercalation compound and thermally expanded graphite structural characteristics by X-ray diffraction analysis has been carried out. The microstructure and morphology of the obtained graphene particles were studied by transmission electron microscopy.

Keywords: thermally expanded graphite, few-layer graphene particles, graphite nitrate, cointercalation, X-ray diffraction analysis, transmission electronic microscopy

• Alina A. Davydova – Junior Researcher of the Supramolecular Chemistry Department, L.M. Litvinenko Institute of Physical Organic and Coal Chemistry
• Elena V. Raksha – Ph. D., Senior Researcher of the Supramolecular Chemistry Department, L.M. Litvinenko Institute of Physical Organic and Coal Chemistry
• Oksana N. Oskolkova – Junior Researcher of the Supramolecular Chemistry Department, L.M. Litvinenko Institute of Physical Organic and Coal Chemistry
• Viktorija V. Gnatovskaja – Junior Researcher of the Supramolecular Chemistry Department, L.M. Litvinenko Institute of Physical Organic and Coal Chemistry
• Petr V. Sukhov – Junior Researcher of the Supramolecular Chemistry Department, L.M. Litvinenko Institute of Physical Organic and Coal Chemistry
• Ol’ga M. Padun – Junior Researcher of the Supramolecular Chemistry Department, L.M. Litvinenko Institute of Physical Organic and Coal Chemistry
• Valentina A. Glazunova – Researcher of the Department of Physics and Engineering of High Pressure and Advanced Technologies, Donetsk Institute for Physics and Engineering named after A.A. Galkin
• Valerij V. Burkhovetskij – Researcher of the Department of Physics and Diagnostics of Advanced Materials, Donetsk Institute for Physics and Engineering named after A.A. Galkin
• Galina K. Volkova – Researcher of the Department of Physics and Engineering of High Pressure and Advanced Technologies, Donetsk Institute for Physics and Engineering named after A.A. Galkin
• Yulia V. Berestneva – Senior Researcher of the Biotechnology Laboratory, Federal Scientific Centre of Agroecology, Complex Melioration and Protective Afforestation of the Russian Academy of Sciences
• Michael V. Savoskin – Ph. D., Director, L.M. Litvinenko Institute of Physical Organic and Coal Chemistry

Reference:

Davydova, A.A. Few-layer graphene particles based on thermally expanded cointercalate of graphite nitrate with acetic and formic acids / A.A. Davydova, E.V. Raksha, O.N. Oskolkova, V.V. Gnatovskaja, P.V. Sukhov, O.M. Padun, V.A. Glazunova, V.V. Burkhovetskij, G.K. Volkova, Yu.V. Berestneva, M.V. Savoskin // Physical and chemical aspects of the study of clusters, nanostructures and nanomaterials. — 2020. — I. 12. — P. 580-590. DOI: 10.26456/pcascnn/2020.12.580. (In Russian).

Full article (in Russian): download PDF file

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