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In article number 1606215, Tierui Zhang and co‐workers present a silica‐protected calcination strategy to synthesize “naked” magnetically recyclable mesoporous Au‐γ‐Fe2O3 clusters. The clusters show outstanding catalytic performance in the reduction of 4‐nitrophenol and enhanced performance in the catalytic oxidation of CO, due to their “naked” surfaces, small Au nanoparticle size, inherent magnetism...
Naked magnetically recyclable mesoporous Au–γ‐Fe2O3 clusters, combining the inherent magnetic properties of γ‐Fe2O3 and the high catalytic activity of Au nanoparticles (NPs), are successfully synthesized. Hydrophobic Au–Fe3O4 dimers are first self‐assembled to form sub‐micrometer‐sized Au–Fe3O4 clusters. The Au–Fe3O4 clusters are then coated with silica, calcined at 550 °C, and finally alkali treated...
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