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  1. No Access

    Article

    Influence of Sulfur Do** of Crystalline Carbon Nitride on Photocatalytic Hydrogen Evolution from Alcohol–Aqueous Solutions Under Visible Light

    The influence of sulfur on the morphology, spectral, and photocatalytic properties of bulk (S-g-C3N4) and crystalline carbon nitride (S-CGCN), obtained by the pyrolysis of melamine–S8 mixtures and additional ther...

    M. L. Ovcharov, P. I. Glukhova, G. V. Korzhak… in Theoretical and Experimental Chemistry (2024)

  2. No Access

    Article

    Effect of Surface Acidity of Codoped C,S-TiO2 on Their Photocatalytic Properties in the Hydrogen Evolution and Ethanol Oxidation Processes

    Codoped C,S-TiO2 nanostructures with similar structural and dimensional characteristics and different surface acidity have been obtained using a hydrothermal sol–gel method in the presence thiourea or sulfuric ac...

    N. I. Romanovska, G. V. Korzhak… in Theoretical and Experimental Chemistry (2023)

  3. No Access

    Article

    Chemoselective Photocatalytic Reduction of Furfural to Furfuryl Alcohol Under the Influence of Visible Light with the Participation of Nanocrystalline Carbon Nitride and Palladium Co-Catalysts

    It is established that crystalline graphite-like carbon nitride (CGCN) exhibits high photocatalytic activity in the process of chemoselective reduction of furfural to furfuryl alcohol in the presence of co-cat...

    G. V. Korzhak, T. R. Stara, O. S. Kutsenko… in Theoretical and Experimental Chemistry (2023)

  4. No Access

    Article

    Photocatalytic Hydrogen Evolution from Solutions of Benzyl Alcohols Under the Action of Visible Light with the Participation of Crystalline Graphite-Like Carbon Nitride

    It is established that the effeciency of the hydrogen evolution from water–acetonitrile solutions of benzyl alcohol and a number of its derivatives under the action of visible light with the participation of c...

    V. V. Shvalagin, G. V. Korzhak, S. Ya. Kuchmiy in Theoretical and Experimental Chemistry (2023)

  5. No Access

    Article

    Photocatalytic Evolution of Hydrogen from Alcohol–Aqueous Solutions using Nanocrystalline Carbon Nitride Modified with Magnesium Chloride Under the Visible Light Irradiation

    Samples of nanocrystalline graphite-like carbon nitride (CGCN) modified with magnesium chloride have been obtained. The synthesized Mg-CGCN samples have been characterized by UV and IR spectroscopies, X-ray di...

    G. Ya. Grodzyuk, K. V. Koryakina, V. V. Shvalagin… in Theoretical and Experimental Chemistry (2022)

  6. No Access

    Article

    Photocatalytic hydrogen evolution and Rifampicinum destruction over carbon-modified TiO2

    Carbon-modified TiO2 using a sol–gel method (TiO2/CSG) and mechanochemical treatment (TiO2/CMC) was obtained. X-ray powder diffraction (XRD), scanning electron microscopy with an integrated system for electron mi...

    T. A. Khalyavka, M. V. Shapovalova, G. V. Korzhak… in Research on Chemical Intermediates (2022)

  7. No Access

    Article

    Synergistic Action of Acidity and Pd, Au, and Pt Ions on the Photocatalytic Properties of Metal-Containing Nanocomposites Based on g-C3N4 in the Reaction of Hydrogen Production from Ethanol

    The photocatalytic properties of metal-containing nanocomposites based on crystalline graphite-like carbon nitride (CGCN), synthesized in situ by photoreduction of palladium, platinum, and gold ions in the rea...

    V. V. Shvalagin, G. V. Korzhak, S. Ya. Kuchmiy… in Theoretical and Experimental Chemistry (2021)

  8. No Access

    Chapter and Conference Paper

    The Influence of La Do** on Structural, Optical, and Photocatalytic Properties of TiO2 in Dyes Destruction and Hydrogen Evolution

    The effect of La on the structural and optical properties of titanium dioxide aiming to evaluate Safranine T photodestruction (decolorization) and H2 evolution over pure and La-doped TiO2 under UV irradiation was...

    T. A. Khalyavka, V. V. Shymanovska… in Nanomaterials and Nanocomposites, Nanostru… (2021)

  9. No Access

    Article

    Carbon Nitride Nanocomposites with Layered Niobates as Photocatalysts for Hydrogen Evolution from Aqueous Solutions of Organic Acids by the Action of Visible Light

    The efficiency of H2 evolution from aqueous solutions of organic acids using composite photocatalysts derived from layered KNb3O8 and C3N4 was found to be much higher than for individual C3N4. This enhanced photo...

    G. Ya. Grodzyuk, V. V. Shvalagin… in Theoretical and Experimental Chemistry (2018)

  10. No Access

    Article

    Photocatalytic Properties of Layered K3H3Nb10.8O30 in the Hydrogen Evolution Reaction from Aqueous Solutions of Alcohols

    It was found that treatment of KNb3O8 with nitric acid leads to the formation of K3H3Nb10.8O30, which has enhanced photocatalytic activity in the production of hydrogen. The highest rate of release of H2 in the i...

    V. V. Shvalagin, G. Ya. Grodzyuk, G. V. Korzhak… in Theoretical and Experimental Chemistry (2017)

  11. No Access

    Article

    Photocatalytic Properties of MoS2/CdS Composites Prepared Via One-Pot Hydrothermal Synthesis in Hydrogen Evolution Reactions from Aqueous Solutions of Organic Acids

    It is shown that MoS2/CdS composites prepared via one-pot hydrothermal synthesis, unlike individual constituents, display photocatalytic properties in hydrogen evolution reactions from aqueous solutions of ace...

    L. V. Tsymbal, G. V. Korzhak, G. Ya. Grodzyuk… in Theoretical and Experimental Chemistry (2017)