The Effect of Ag and CeO2 Distribution on SBA-15 Surface on the Activity of Ag-CeO2/SBA-15 Catalysts in CO and Methanol Oxidation Full article
| Journal |
Journal of Sol-Gel Science and Technology
ISSN: 0928-0707 , E-ISSN: 1573-4846 |
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| Output data | Year: 2019, Volume: 92, Number: 2, Pages: 398-407 Pages count : 10 DOI: 10.1007/s10971-019-05031-1 | ||||||
| Tags | SBA-15; Silver; Catalysts; Volatile organic compounds; Oxidation; Ceria | ||||||
| Authors |
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| Affiliations |
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Funding (1)
| 1 | Russian Science Foundation | 18-73-10109 |
Abstract:
The series of catalysts representing the mesoporous ordered silica SBA-15 with supported silver or silver and ceria nanoparticles were synthesized by incipient wetness impregnation, characterized by the low-temperature N-2 adsorption, XRD, TEM HR, TPR-H-2 methods, and tested in the low-temperature CO oxidation and total oxidation of methanol. It was found that two types of silver particles are formed: small particles (<3 nm) inside the pores of the SBA-15 and larger particles (3-15 nm) on the external surface of SBA-15. High activity of the prepared catalyst in oxidation of CO and methanol is attributed to both small sizes of silver particles and the Ag-CeO2 interaction. The distribution of both silver and ceria on the SBA-15 surface determines their interaction and, hence, enhances the catalytic activity in oxidative reactions due to the cooperation of active oxidative sites of silver and ceria at the Ag-CeO2 interface.
Cite:
Mikheeva N.N.
, Zaikovskii V.I.
, Mamontov G.V.
The Effect of Ag and CeO2 Distribution on SBA-15 Surface on the Activity of Ag-CeO2/SBA-15 Catalysts in CO and Methanol Oxidation
Journal of Sol-Gel Science and Technology. 2019. V.92. N2. P.398-407. DOI: 10.1007/s10971-019-05031-1 WOS Scopus РИНЦ AN OpenAlex
The Effect of Ag and CeO2 Distribution on SBA-15 Surface on the Activity of Ag-CeO2/SBA-15 Catalysts in CO and Methanol Oxidation
Journal of Sol-Gel Science and Technology. 2019. V.92. N2. P.398-407. DOI: 10.1007/s10971-019-05031-1 WOS Scopus РИНЦ AN OpenAlex
Dates:
| Submitted: | Dec 20, 2018 |
| Accepted: | May 21, 2019 |
| Published online: | May 31, 2019 |
| Published print: | Nov 1, 2019 |
Identifiers:
| Web of science: | WOS:000492424200017 |
| Scopus: | 2-s2.0-85066786259 |
| Elibrary: | 41625878 |
| Chemical Abstracts: | 2019:1081368 |
| OpenAlex: | W2947171620 |