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Bis(μ-oxo)dicopper as Key Intermediate in the Catalytic Decomposition of Nitric Oxide



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Oxygen transport: Here, the authors present the elucidation of the NO decomposition activity of Cu-ZSM-5 (see picture) by identifying the bis(μ-oxo)dicopper species as the key intermediate that allows the smooth formation and desorption of O2. Its isomerized (μ-η22-peroxo)dicopper core is present in natural enzymes, where it is responsible for dioxygen transport and selective oxidation catalysis, similar to the catalytic roles played by Cu-ZSM-5.