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Formation of CuO and Cu2O Crystalline Phases in a Reactor for Low-Pressure Arc Discharge Synthesis

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Inorganic Materials: Applied Research Aims and scope

Abstract

A method for synthesis of copper oxide nanoparticles in a reactor for low-pressure arc discharge synthesis is presented, and the effect that the oxygen content of the gas mixture fed into the reactor has on the ratio between CuO and Cu2O phases is studied. The crystalline structure of synthesized copper oxide nanoparticles is investigated by X-ray diffraction (XRD), and the particle morphology is characterized using transmission electron microscopy. The growth of nanoparticles during synthesis in arc discharge plasma is investigated using optical emission spectroscopy. XRD analysis shows that the proportion of the Cu2O phase decreases with increasing oxygen content of the gas mixture. The photocatalytic properties of the prepared Cu2O nanopowder are evaluated by carrying out the decomposition reaction of methyl orange dye in an aqueous medium.

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Funding

This work was supported by the Russian Foundation for Basic Research (project no. 18-48-242005), the Government of Krasnoyarsk Krai, and the Krasnoyarsk Krai Science Foundation (auxiliary agreement no. 11/18) within the scope of the research project “Mathematical Modeling of Coupled Physical Processes in Dynamic Plasma Systems in a Vacuum Arc Reactor.”

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Authors and Affiliations

  1. Krasnoyarsk Science Center, Siberian Branch, Russian Academy of Sciences, 660036, Krasnoyarsk, Russia

    A. V. Ushakov, I. V. Karpov, L. Yu. Fedorov, E. A. Dorozhkina, O. N. Karpova, A. A. Shaikhadinov, V. G. Demin & E. A. Goncharova

  2. Siberian Federal University, 660041, Krasnoyarsk, Russia

    A. V. Ushakov, I. V. Karpov, L. Yu. Fedorov, E. A. Dorozhkina, O. N. Karpova, A. A. Shaikhadinov, V. G. Demin, A. I. Demchenko, M. V. Brungardt & E. A. Goncharova

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  1. A. V. Ushakov
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  2. I. V. Karpov
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  3. L. Yu. Fedorov
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  4. E. A. Dorozhkina
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  5. O. N. Karpova
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  6. A. A. Shaikhadinov
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  7. V. G. Demin
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  8. A. I. Demchenko
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  9. M. V. Brungardt
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  10. E. A. Goncharova
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Corresponding author

Correspondence to A. V. Ushakov.

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Translated by A. Kukharuk

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Ushakov, A.V., Karpov, I.V., Fedorov, L.Y. et al. Formation of CuO and Cu2O Crystalline Phases in a Reactor for Low-Pressure Arc Discharge Synthesis. Inorg. Mater. Appl. Res. 11, 232–237 (2020). https://doi.org/10.1134/S2075113320010372

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  • DOI: https://doi.org/10.1134/S2075113320010372

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