Immobilization of Polyoxometalates on Carbon Nanotubes: Tuning Catalyst Activity, Selectivity and Stability in H2O2-Based Oxidations Full article
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Catalysts
ISSN: 2073-4344 |
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| Output data | Year: 2022, Volume: 12, Number: 5, Article number : 472, Pages count : 24 DOI: 10.3390/catal12050472 | ||||
| Tags | heterogeneous catalysis; hydrogen peroxide; liquid-phase selective oxidation; polyoxometalates; carbon nanotubes; N-doping; supported catalysts | ||||
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| Affiliations |
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Funding (1)
| 1 | Ministry of Science and Higher Education of the Russian Federation | 0239-2021-0009 |
Abstract:
In recent years, carbon nanotubes (CNTs), including N-doped ones (N-CNTs), have received significant attention as supports for the construction of heterogeneous catalysts. In this work, we summarize our progress in the application of (N)-CNTs for immobilization of anionic metal-oxygen clusters or polyoxometalates (POMs) and use of (N)-CNTs-supported POM as catalysts for liquid-phase selective oxidation of organic compounds with the green oxidant–aqueous hydrogen peroxide. We discuss here the main factors, which favor adsorption of POMs on (N)-CNTs and ensure a quasi-molecular dispersion of POM on the surface and their strong attachment to the support. The effects of the POM nature, N-doping of CNTs, acid additives, and other factors on the POM immobilization process and catalytic activity/selectivity of the (N)-CNTs-immobilized POMs are analyzed. Particular attention is drawn to the critical issue of the catalyst stability and reusability. The scope and limitations of the POM/(N)-CNTs catalysts in H2O2-based selective oxidations are discussed
Cite:
Evtushok V.Y.
, Lopatkin V.A.
, Podyacheva O.Y.
, Kholdeeva O.A.
Immobilization of Polyoxometalates on Carbon Nanotubes: Tuning Catalyst Activity, Selectivity and Stability in H2O2-Based Oxidations
Catalysts. 2022. V.12. N5. 472 :1-24. DOI: 10.3390/catal12050472 WOS Scopus РИНЦ AN OpenAlex
Immobilization of Polyoxometalates on Carbon Nanotubes: Tuning Catalyst Activity, Selectivity and Stability in H2O2-Based Oxidations
Catalysts. 2022. V.12. N5. 472 :1-24. DOI: 10.3390/catal12050472 WOS Scopus РИНЦ AN OpenAlex
Dates:
| Submitted: | Mar 23, 2022 |
| Accepted: | Apr 20, 2022 |
| Published online: | Apr 22, 2022 |
| Published print: | May 1, 2022 |
Identifiers:
| Web of science: | WOS:000801493500001 |
| Scopus: | 2-s2.0-85130439353 |
| Elibrary: | 48591232 |
| Chemical Abstracts: | 2022:1436045 |
| OpenAlex: | W4224316704 |