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Test the water: Calculations have been used to investigate why water deactivates Co3O4 to CO oxidation and activates platinum group metals in the same reaction. The significant difference in the potential energy surfaces of OH on metal versus metal oxides is the origin of the different effects water has in these systems. Detailed facts of importance to specialist readers are published as ”Supporting Information”. Such documents are peer-reviewed, but not copy-edited or typeset. They are made available as submitted by the authors. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.
Wang et al. (Wed,) studied this question.