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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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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DOI: https://doi.org/10.1038/s41929-023-01059-3