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Keywords:

  • dynamic deformation;
  • hydrogen bonds;
  • organic salts;
  • porous structures;
  • supramolecular chemistry
Thumbnail image of graphical abstract

Just add water: A cube-like hydrogen-bonding network in a fluorescent supramolecular cluster dynamically deforms upon the specific addition of a water molecule. The deformation is amplified through the conformational change of the cluster to result in the transformation of host frameworks. This transformation provides water-responsive guest-exclusion and fluorescent-modulation behaviors.