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Interfacial catalysis

Symbiotic oxides in catalysts

Suppressing the formation of oxide encapsulation layers on the active metal during pretreatment would lead to increased catalytic activity in supported catalysts, but controlling the strong metal-support interactions is challenging. Now it is shown that cleverly introducing TiOx patches onto Ru/MnO allows engineering effective oxide–oxide interface channels and avoids oxide overlayer formation, thus improving the performance of CO2 hydrogenation to produce CO.

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Fig. 1: Types of supported metal catalyst.

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Correspondence to Wei Zhang.

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Liu, Y., Zhang, W. Symbiotic oxides in catalysts. Nat Catal 6, 985–986 (2023). https://doi.org/10.1038/s41929-023-01059-3

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