Analyzing the relation between structure and aggregation induced emission (AIE) properties of iridium(III) complexes through modification of non-chromophoric ancillary ligands

Laura Abad Galán, David B. Cordes, Alexandra M.Z. Slawin, Denis Jacquemin, Mark I. Ogden, Massimiliano Massi, Eli Zysman-Colman

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11 Citations (Scopus)
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Abstract

Unconventionally modified dibenzoylmethane (dbm) ligands have been synthesized and successfully utilized as ancillary ligands for neutral Ir(III) complexes of the formula [Ir(dFppy)2(LX)], where dFppyH is 2-(2,4-difluorophenyl)pyridine and LX is tribenzoylmethane (tbm) or 1-phenyl-3-(4-(pyridin-2-yl)phenyl)propane-1,3-dione (pydbm). The modification of the ligands aims to prevent or enhance possible intermolecular interactions between the dFppy and/or the LX moiety in comparison with the previously reported [Ir(dFppy)2(dbm)] complex. The aggregation induced emission (AIE) properties of these complexes are significantly modulated, as a consequence of the different π-π interactions revealed by X-ray crystallography.
Original languageEnglish
JournalEuropean Journal of Inorganic Chemistry
VolumeEarly View
Early online date13 Nov 2018
DOIs
Publication statusE-pub ahead of print - 13 Nov 2018

Keywords

  • Iridium
  • Luminescence
  • Complexes
  • Photophysics
  • Optoelectronics
  • Ligand effects

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