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Keywords:

  • fluoride;
  • Ir(III) complex;
  • phosphorescence;
  • sensors
Thumbnail image of graphical abstract

A highly phosphorescent Ir(III) complex, containing a dimesitylboryl group in its coordinative phenylpyridine ligand, exhibited a phosphorescence colorimetric and ratiometric fluoride ion-selective sensing behavior and enabled facile signal purification through time-gated acquisition. Poly(methylmethacrylate) films doped with the Ir(III) complex were used to successfully detect fluoride ion in aqueous media.