Physical and chemical aspects of the study of clusters, nanostructures and nanomaterials
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Decomposition of fullerene C28 in a nitrogen atmosphere

N.M. Barbin1,2, L.V. Yakupova1, D.I. Terent’ev1, V.T. Kuanyshev2

1 Educational and Scientific Department, Ural Institute of the State Fire Service, The Ministry of the Russian Federation for Civil Defence, Emergencies and Elimination of Consequences of Natural Disasters
2 Ural Technical Institute of Communications and Informatics, Siberian State University of Telecommunications and Informatics in Yekaterinburg

DOI: 10.26456/pcascnn/2022.14.024

Short communication

Abstract: A study of the behavior of С28 fullerene when heated in a nitrogen atmosphere was conducted. The calculations were made using the thermodynamic modeling method, which consists in a complete thermodynamic analysis of the system using the TERRA software complex. The range of minimum and maximum heating temperatures was 273-3373 K and pressure was 0,1 MPa. A graph of the carbon balance in the С28 – N2 system was built, chemical reactions were determined, temperature intervals were allocated for each reaction. Temperature intervals of the thermal stability of carbon nanoparticles in the condensed and vapor phases are established. In the gas phase, С28 steam shows increased thermodynamic stability and only reacts with vapors at high temperatures, as evidenced by a sharp decrease in its content. The equilibrium constants of the reactions are calculated, and graphs of the dependence of the equilibrium constants of the reactions on temperature are given. For each reaction, the calculated data were approximated by the linear dependence.

Keywords: fullerenes, carbon nanoparticles, thermodynamic modeling, physical and chemical process

  • Nikolay M. Barbin – Dr. Sc., Associate Professor, Senior Researcher, Educational and Scientific Department, Ural Institute of the State Fire Service, The Ministry of the Russian Federation for Civil Defence, Emergencies and Elimination of Consequences of Natural Disasters, professor, Higher Mathematics and Physics Department Ural Technical Institute of Communications and Informatics, Siberian State University of Telecommunications and Informatics in Yekaterinburg
  • Lydia V. Yakupova – Lecturer, Mathematics and Computer Science Department, Educational and Scientific Department, Ural Institute of the State Fire Service, The Ministry of the Russian Federation for Civil Defence, Emergencies and Elimination of Consequences of Natural Disasters
  • Dmitriy I. Terent’ev – Ph. D., Associate Professor, Senior Researcher, Educational and Scientific Department, Educational and Scientific Department, Ural Institute of the State Fire Service, The Ministry of the Russian Federation for Civil Defence, Emergencies and Elimination of Consequences of Natural Disasters
  • Valery T. Kuanyshev – Ph. D., Associate Professor, Higher Mathematics and Physics Department, Ural Technical Institute of Communications and Informatics, Siberian State University of Telecommunications and Informatics in Yekaterinburg

Reference:

Barbin, N.M. Decomposition of fullerene C28 in a nitrogen atmosphere / N.M. Barbin, L.V. Yakupova, D.I. Terent’ev, V.T. Kuanyshev // Physical and chemical aspects of the study of clusters, nanostructures and nanomaterials. — 2022. — I. 14. — P. 24-30. DOI: 10.26456/pcascnn/2022.14.024. (In Russian).

Full article (in Russian): download PDF file

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