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The role of metal/oxide interfaces for long-range metal particle activation during CO oxidation

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Acknowledgements

This work was financially supported by the Austrian Science Fund (FWF) through project SFB FOXSI (F4504/02-N16) and by the Spanish MINECO/FEDER grant CTQ2015-64618-R and by grants 2017SGR13 and XRQTC of the Generalitat de Catalunya. The authors thank the Red Española de Supercomputación for the computer resources and technical support.

Author information

I.B., M.D., D.V. and Z.B. performed the PEEM experiments. Y.S. and G.R. supervised the experimental work and were involved in the analysis of the experimental data and the preparation of the manuscript. S.M.K. performed the DFT calculations and K.M.N. supervised the theoretical work. S.M.K. and K.M.N. analysed the calculated data and were involved in the preparation of the manuscript. All the authors contributed to the discussion and approved the manuscript. Y.S. and S.M.K. contributed equally to this work.

Correspondence to Konstantin M. Neyman or Günther Rupprechter.

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Supplementary information

Supplementary Information

Supplementary Figures 1–8; Key calculated structures: CO molecule; O2 molecule; Pd119 particle; 2xO/Pd119 particle; 2xCO/Pd119 particle; Pd119/ZrO2(111) structure; 2xO/Pd119/ZrO2(111) structure; 2xCO/Pd119/ZrO2(111) structure; Pd119/MgO(100) structure; 2xO/Pd119/MgO(100) structure; 2xCO/Pd119/MgO(100) structure; Supplementary References 1–23

PEEM Video

PEEM video of CO oxidation on Pd-ZrO2

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Further reading

Fig. 1: Long-range effect of the metal/oxide interface on CO oxidation on Pd.
Fig. 2: Kinetic data for CO oxidation on Pd.
Fig. 3: Adsorption energies of O on Pd aggregates.