Abstract—МоO2/С composites comprising monoclinic molybdenum dioxide were manufactured by microwave-assisted hydrothermal treatment of aqueous solutions of peroxomolybdic acid with glucose followed by annealing of the precursor in an inert atmosphere at 500°С. The carbon content in the composites ranged from 8 to 24 wt %. The major physicochemical characteristics of the compounds prepared were determined by X-ray powder diffraction, thermogravimetry, IR and Raman spectroscopy, scanning and electron microscopy, and low-temperature nitrogen adsorption. The molar component ratio of the reaction mass, Мо : С6Н12О6 = 1 : (0.25–1.0), was found to be an essential factor that determined the composition, textural and thermal properties of МоО2/С composites, as well as their formation specifics. A formation mechanism of МоО2/С composites was suggested.
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The study was fulfilled under the Governmental task and in the frame of R&D for the Institute of Solid State Chemistry, Ural Branch of the Russian Academy of sciences, no. АААА-А19-119031890025-9.
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Fattakhova, Z.A., Zakharova, G.Z. МоО2/С Composites: Synthesis, Properties, and Formation Mechanism. Russ. J. Inorg. Chem. 65, 480–487 (2020). https://doi.org/10.1134/S0036023620040051
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DOI: https://doi.org/10.1134/S0036023620040051