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Tailoring the Selectivity for Electrocatalytic Oxygen Evolution on Ruthenium Oxides by Zinc Substitution

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  • This work was supported by the Grant Agency of the Academy of Sciences of the Czech Republic under contract No. IAA400400906. V.P. acknowledges the support of the Marie Curie International Incoming Fellowship (IIF No. 220711) of the European Commission. The synchrotron measurement time was provided by National Synchrotron Light Source at Brookhaven National Laboratory Project No. 11734.

Abstract

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Controlling gas emissions: Versatile control of the selectivity of an oxide electrocatalyst in the oxygen- and chlorine-evolution reactions was demonstrated by Zn substitution in RuO2 (see picture: O red, Cl green, Zn blue, Ru white). The incorporation of Zn into the rutile structure alters the cation sequence along the [001] direction and modifies the structure of the active sites for both gas-evolution processes.

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