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Analyzing the Relation between Structure and Aggregation Induced Emission (AIE) Properties of Iridium(III) Complexes through Modification of Non‐Chromophoric Ancillary Ligands
Author(s) -
Galán Laura Abad,
Cordes David B.,
Slawin Alexandra M. Z.,
Jacquemin Denis,
Ogden Mark I.,
Massi Massimiliano,
ZysmanColman Eli
Publication year - 2019
Publication title -
european journal of inorganic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.667
H-Index - 136
eISSN - 1099-0682
pISSN - 1434-1948
DOI - 10.1002/ejic.201801118
Subject(s) - chemistry , iridium , dibenzoylmethane , moiety , intermolecular force , pyridine , aggregation induced emission , dbm , phosphorescence , organometallic chemistry , stereochemistry , photochemistry , crystallography , crystal structure , molecule , medicinal chemistry , organic chemistry , fluorescence , catalysis , optoelectronics , physics , quantum mechanics , amplifier , cmos
Unconventionally modified dibenzoylmethane ( dbm ) ligands have been synthesized and successfully utilized as ancillary ligands for neutral iridium(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.
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