Abstract
A series of mesoporous nanoparticle P-CexZr1-xOy (PCZ) catalysts with abundant oxygen vacancies and high specific surface area were successfully prepared, exhibiting 100% formaldehyde conversion at room temperature (25 °C). The PCZ catalyst was investigated in depth utilizing TEM, BET, XRD, XPS, H2-TPR, and Raman characterization, it was found that the PCZ catalyst had an average particle size of 10 nm and a specific surface area of 108 m2/g; templating caused by P123 and effective doping of Zr atoms regulated the oxygen vacancies in the catalyst, altered the reduction characteristics and chemical state of cerium to formed the redox cyclic couple of Ce3+/Ce4+, which significantly enhanced the catalytic oxidation performance of the PCZ catalyst in the indoor environment.
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We gratefully acknowledge the financial supports from the National Natural Science Foundation of China (51568068), young and middle-aged academic and technical leaders reserve talent project of Yunnan (CN) (202105AC160054)
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Yang, Z., Liu, X., Jia, L. et al. Regulation of Oxygen Vacancies in Ceria-Zirconia Nanocatalysts by Pluronic P123-Templated for Room Temperature Formaldehyde Total Oxidation. Catal Lett 154, 503–512 (2024). https://doi.org/10.1007/s10562-023-04321-2
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DOI: https://doi.org/10.1007/s10562-023-04321-2