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  1. No Access

    Article

    Properties of Carbon Dots Synthesized Solvothermally from Citric Acid and Urea

    We propose a simple one-stage method to prepare carbon dots using citric acid as a carbon source and urea as a nitrogen source. It is shown that luminescence spectra of carbon dots depend on the excitation wav...

    M. N. Egorova, A. N. Kapitonov, A. A. Alekseev… in Journal of Structural Chemistry (2020)

  2. No Access

    Article

    Hydrothermal Synthesis of Luminescent Carbon Dots from Glucose and Birch Bark Soot

    Carbon dots were prepared by the method of hydrothermal synthesis from carbon precursors of glucose and birch bark soot in aqueous ammonia. The distribution of lateral sizes of carbon dots testifies their aver...

    M. N. Egorova, A. E. Tomskaya, A. N. Kapitonov… in Journal of Structural Chemistry (2018)

  3. No Access

    Article

    Investigating the Properties of Graphite Oxide Suspension, Films, and Papers Produced from Natural Graphite of Southern Yakutia

    An aqueous suspension of graphite oxide (GrO) was prepared from natural Yakut graphite by modified Hummers′ method. The lateral size of GrO flakes varied from 0.1 μm to 10 μm, their thickness was 20 nm. The fa...

    F. D. Vasileva, A. N. Kapitonov, A. E. Tomskaya… in Journal of Structural Chemistry (2018)

  4. No Access

    Article

    Graphene-oxide films printed on rigid and flexible substrates for a wide spectrum of applications

    Structures of films produced from a water-based graphene oxide ink by 2D printing on various substrates, including those of the flexible type, are compared. It was shown that the deposition of a thin polyvinyl...

    I. V. Antonova, I. A. Kotin, V. I. Popov, F. D. Vasileva, A. N. Kapitonov… in Semiconductors (2016)

  5. No Access

    Article

    Thin partially reduced oxide-graphene films: structural, optical, and electrical properties

    High-resistive (1012 Ohm/□) oxide-graphene films with thickness varying from 5 nm to several micrometers were produced and studied. Films of 5–150 nm on glass had a transparency of 93–98% for wave-lengths of 400–...

    G. N. Alexandrov, S. A. Smagulova, A. N. Kapitonov… in Nanotechnologies in Russia (2014)

  6. No Access

    Article

    Division of the analytical signal into arcing half-periods and correction of results of the determination of La and Y in geological samples

    A. N. Kapitonov, M. A. Alekseev, V. S. Suknev in Journal of Applied Spectroscopy (1980)

  7. No Access

    Article

    Axial-time distribution of the basic parameters of an alternating-current arc plasma

    A. N. Kapitonov, M. A. Alekseev in Journal of Applied Spectroscopy (1976)

  8. No Access

    Article

    Axial distribution of the temperature and concentration of electrons in short-lived AC arcs

    M. A. Alekseev, A. N. Kapitonov in Journal of Applied Spectroscopy (1975)

  9. No Access

    Article

    Study of the dependence of the concentration of electrons and the temperature on the combustion phase of an ac arc

    M. A. Alekseev, A. N. Kapitonov in Journal of Applied Spectroscopy (1975)