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- W2891997901 abstract "Abstract Due to the complexity of heterogeneous catalysts, identification of active sites and the ways for their experimental design are not inherently straightforward but important for tailored catalyst preparation. The present study reveals the active sites for efficient C–H bond activation in C 1 –C 4 alkanes over ZrO 2 free of any metals or metal oxides usually catalysing this reaction. Quantum chemical calculations suggest that two Zr cations located at an oxygen vacancy are responsible for the homolytic C–H bond dissociation. This pathway differs from that reported for other metal oxides used for alkane activation, where metal cation and neighbouring lattice oxygen form the active site. The concentration of anion vacancies in ZrO 2 can be controlled through adjusting the crystallite size. Accordingly designed ZrO 2 shows industrially relevant activity and durability in non-oxidative propane dehydrogenation and performs superior to state-of-the-art catalysts possessing Pt, CrO x , GaO x or VO x species." @default.
- W2891997901 created "2018-09-27" @default.
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- W2891997901 date "2018-09-18" @default.
- W2891997901 modified "2023-10-17" @default.
- W2891997901 title "Control of coordinatively unsaturated Zr sites in ZrO2 for efficient C–H bond activation" @default.
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- W2891997901 doi "https://doi.org/10.1038/s41467-018-06174-5" @default.
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