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Bimetallische Spinelloxide sind effiziente Katalysatoren für die Aktivierung von Peroxymonosulfat (PMS), der katalytische Mechanismus ist jedoch unklar. Die kritische Rolle der Mn‐O‐Kovalenz für die intrinsische Aktivität von Co3−xMnxO4 und ein neuer Mechanismus der Co/Mn‐Synergie werden von Wen‐Wei Li et al. in ihrem Forschungsartikel auf S. 278 aufgezeigt. Co verstärkt die Mn‐O‐Kovalenz in der oktaedrischen...
Transition metal (TM)‐based bimetallic spinel oxides can efficiently activate peroxymonosulfate (PMS) presumably attributed to enhanced electron transfer between TMs, but the existing model cannot fully explain the efficient TM redox cycling. Here, we discover a critical role of TM−O covalency in governing the intrinsic catalytic activity of Co3−xMnxO4 spinel oxides. Experimental and theoretical analysis...
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