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Keywords:

  • host–guest systems;
  • magnetic properties;
  • nanostructures;
  • spin crossover;
  • supramolecular chemistry

Abstract

Thumbnail image of graphical abstract

Bottoms up! A discrete metallo-supramolecular nanoball (see picture), synthesized by using “bottom-up” methodologies, uniquely undergoes a solvent-sensitive, physically addressable electronic spin switching. The switching occurs by thermal, light, or solvent perturbation, where importantly it can be switched “on” or “off” by green or red laser irradiation, respectively.