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Keywords:

  • concave nanohybrids;
  • density functional calculations;
  • heterogeneous catalysis;
  • site-selective growth;
  • synergistic effects
Thumbnail image of graphical abstract

Palladium and silver salts were combined with Cu2O octadecahedra in concave heterostructures. The formation of concave faces involved selective oxidative etching of Cu2O on the {100} faces and in situ growth of Pd/Ag on different sites. The structures showed superior catalytic activities to both single domains and their mixtures in a model Sonogashira-type organic reaction.