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Zazhigalov V. A. Sachuk E. V. Diyuk E. A. Bacherikova I. V. Shcherban N. D. Kurmach M. M. Melnyk A. K. 《Theoretical and Experimental Chemistry》2019,55(3):215-221
Theoretical and Experimental Chemistry - It was shown that mechanochemical treatment of 1 : 1 MoO3–CeO2 oxide mixture leads to the formation of nanosized particles with core–shell type... 相似文献
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V.A. Zazhigalov O.V. Sachuk O.A. Diyuk V.L. Starchevskyy L.S. Kuznetsova M.M. Kurmach 《Molecular Crystals and Liquid Crystals》2018,672(1):115-122
AbstractThe ultrasonic treatment (UST) influence on properties of the ZnO-CeO2 system (atomic ratios Zn/Ce?=?25:75, 50:50, and 75:25) is studied. A decrease of the size of particles of the oxides, the formation of Zn-Ce-O nanocompositions, and an increase in the specific surface area of the samples are established. It is shown that the sonochemical treatment of oxide zinc-cerium mixtures allows one to increase their photocatalytic activity in the safranin T degradation process. A blue shift of the edge absorption in powder-like samples and an increase in the band gap energy (Eg) are fixed by the UV-vis spectroscopy. The catalytic test of the sonochemically treated ZnO-CeO2?=?50:50 catalyst in the reaction of ethanol selective oxidation shows a possibility of its use in two processes: i) production of acetaldehyde with high selectivity in a low-temperature reaction (235?°C) with the recycle of the raw material, ethanol, and ii) hydrogen production without CO formation at temperatures more than 300?°C. 相似文献
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