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Keywords:

  • electroluminescent devices;
  • organic light-emitting diodes;
  • organic semiconductors;
  • supramolecular materials
Thumbnail image of graphical abstract

Light-emitting electrochemical cells with lifetimes surpassing 3000 hours at an average luminance of 200 cd m−2 are obtained with an ionic iridium(III) complex conveniently designed to form a supramolecularly caged structure.