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Active Sites in Heterogeneous Photocatalysis: Brief Notes on the Identification of their Analogies with the Standard Heterogeneous Catalysis Concept.
- 1.0555731 - ÚCHP 2022 RIV DE eng J - Článek v odborném periodiku
Krystyník, Pavel - Klusoň, Petr - Veselý, M. - Dzik, P. - Krýsa, J.
Active Sites in Heterogeneous Photocatalysis: Brief Notes on the Identification of their Analogies with the Standard Heterogeneous Catalysis Concept.
Chemical Engineering & Technology. Roč. 44, č. 11 (2021), s. 2164-2170. ISSN 0930-7516. E-ISSN 1521-4125.
[CHISA 2021 virtually /24./, 15.03.2021-18.03.2021]
Grant CEP: GA TA ČR(CZ) SS02030008
Institucionální podpora: RVO:67985858
Klíčová slova: dynamic active site * heterogeneous photocatalysts * kinetic data
Obor OECD: Chemical engineering (plants, products)
Impakt faktor: 2.215, rok: 2021
Způsob publikování: Omezený přístup
The reaction rate concepts in heterogeneous catalysis are based on well-defined and usually well-quantified active sites. Such an active site is stable over time and its main features are typically constant. In heterogeneous photocatalysis, the active site is of different nature. Its existence depends on the instantaneous availability of photons and the variable ability of the photocatalyst to use them. In fact, a realistic expression of the active site that at least in the main feature - stability over time - resembles the classical heterogeneous catalytic concept is missing. Here, the concept of a dynamic active site of the heterogeneous oxidation photocatalyst that is (in a dynamic sense) time stable is elaborated and carefully discussed. The novelty of this approach should be seen in the straightforward applicability of standard kinetic models.
Trvalý link: http://hdl.handle.net/11104/0330186
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