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- W3213105637 endingPage "100399" @default.
- W3213105637 startingPage "100399" @default.
- W3213105637 abstract "This review covers recent advances in the synthesis of cerium dioxide, its properties, and potential applications. Cerium dioxide is known for its abilities to form surface vacancies, store and release oxygen, as well as to increase the thermal stability of the material by metal-Ce interactions, etc. The crystallite size, specific surface area, morphology, and dispersion of CeO2 nanoparticles can be significantly affected by the applied synthetic method, so it is necessary to assess its advantages and disadvantages. Therefore, different synthesis methods of CeO2 nanoparticles have been reviewed and assessed in the first part of the paper. In the second part of the review, we highlight our new and important findings in this field. In particular, advanced A2O/CuO/CeO2 (A = Li, Na, K, Rb, Cs) nanocatalysts have been prepared and tested towards the low-temperature CO oxidation. Each synthesized composite consists of nanosized CeO2 crystallites and amorphous incorporated oxides (CuO and A2O). The highest catalytic activity has been achieved for the 1Li2O/20CuO/80CeO2 sample with 20% CO conversion at 93 °C. Increasing the Li2O loading to 2 and 3 at.% did not enhance the catalytic activity due to the lower specific surface area of the obtained samples. It has been shown that CO adsorption is increased due to synergistic metal oxide-ceria interactions on the catalyst surface and, Li+ promotion stabilizing the Cu+ species." @default.
- W3213105637 created "2021-11-22" @default.
- W3213105637 creator A5005375851 @default.
- W3213105637 creator A5009581614 @default.
- W3213105637 creator A5018753775 @default.
- W3213105637 creator A5021708349 @default.
- W3213105637 creator A5040680293 @default.
- W3213105637 date "2022-03-01" @default.
- W3213105637 modified "2023-09-26" @default.
- W3213105637 title "Recent progress in the synthesis of CeO2-based nanocatalysts towards efficient oxidation of CO" @default.
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