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Keywords:

  • magnetic properties;
  • mesostructured materials;
  • mixed-valent compounds;
  • Prussian blue;
  • supramolecular chemistry
Thumbnail image of graphical abstract

Holey Prussian blue, Batman! A family of mesostructured Prussian blue analogues has been developed by a ligand-assisted templating approach in formamide. These new materials are composed of cyanide-linked metal centers organized around alkyl pyrazinium templates with lamellar, hexagonal (see idealized structural model), or cubic periodicity. Evidence for valence delocalization and magnetic interactions in materials formed from FeII/FeIII is presented.