Synthesis, Thermal Stability, and Catalytic Activity of Ce0.72Zr0.18Pr0.1O2 – δ Nanodispersed Solid Solution in CO Oxidation Reaction
KH. YU. YULDASHEVFergana Polytechnic Institute, 150100, Fergana, Republic of UzbekistanE. Yu. LibermanMendeleev University of Chemical Technology of Russia, 125480, Moscow, RussiaYu. N. MansurovTashkent State Transport University, 100167, Tashkent, Republic of UzbekistanБ. С. КлеусовAO NIIgrafit, 111524, Moscow, RussiaТ. В. КоньковаMendeleev University of Chemical Technology of Russia, 125480, Moscow, RussiaА. В. НаумкинNesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 119334, Moscow, RussiaV. N. GrunskiyMendeleev University of Chemical Technology of Russia, 125480, Moscow, Russia
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Abstract
A Ce0.72Zr0.18Pr0.1O2 – δ nanodispersed solid solution is synthesized by codeposition followed by thermal treatment. The identification of the material is performed by X-ray diffraction, X-ray fluorescence analysis, X-ray photoelectron spectroscopy, transmission electron microscopy, low-temperature adsorption of nitrogen, and gas chromatography. It is found that the synthesized Ce0.72Zr0.18Pr0.1O2 – δ solid solution is superior to CeO2 and Ce0.8Zr0.2O2 in catalytic activity and thermal stability as a result of doping with Pr3+ ions.
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