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Keywords:

  • carbon dioxide;
  • carbonates;
  • hydrogen bonds;
  • heterogeneous catalysis;
  • interfaces
Thumbnail image of graphical abstract

Say it with flowers: Flower-like Fe3O4@Fe(OH)3 composite catalysts show good activity and stability in the synthesis of cyclic carbonates from epoxides and CO2. The role of hydrogen bonding between the surface hydroxyl groups of the solid and the epoxides at the solid/liquid interface is proposed as a key factor in activating the epoxide and stabilizing the ring-opened carbonate intermediates.