Analyzing the relation between structure and aggregation induced emission (AIE) properties of iridium(III) complexes through modification of non-chromophoric ancillary ligands
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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.
Galán , L A , Cordes , D B , Slawin , A M Z , Jacquemin , D , Ogden , M I , Massi , M & Zysman-Colman , E 2018 , ' Analyzing the relation between structure and aggregation induced emission (AIE) properties of iridium(III) complexes through modification of non-chromophoric ancillary ligands ' , European Journal of Inorganic Chemistry , vol. Early View . https://doi.org/10.1002/ejic.201801118
European Journal of Inorganic Chemistry
© 2018 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim. This work has been made available online in accordance with the publisher’s policies. This is the author created, accepted version manuscript following peer review and may differ slightly from the final published version. The final published version of this work is available at: https://doi.org/10.1002/ejic.201801118
DescriptionE.Z.-C. acknowledges the University of St. Andrews and EPSRC (EP/M02105X/1) for financial support. We thank Umicore AG for the gift of materials. We thank the EPSRC UK National Mass Spectrometry Facility at Swansea University for analytical services. This work is supported by a Royal Society International Exchanges Grant and by the Australian Research Council and. LAG thanks Curtin University for the postgraduate scholarship. This work used the computational resources of the CCIPL installed in Nantes.
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