The synthesis and photophysics of tris-heteroleptic cyclometalated iridium complexes

Robert M. Edkins, Alisdair Wriglesworth, Katharina Edkins, Sylvia L. Bettington, Andrew Beeby

Research output: Contribution to journalArticlepeer-review

41 Citations (Scopus)


Herein we report the synthesis and photophysical study of tris-heteroleptic complexes of the general formula IrLL¢(acac), where L and L¢ are two differently substituted 2-phenylpyridines (ppyH) and acacH is 2,4-pentanedione, using a combinatorial approach that could be employed for many ligand combinations. The tris-heteroleptic complexes and the analogous bis-heteroleptic complexes of the form IrL2(acac) have been studied by a combination of absorption and photoluminescence spectroscopies in conjunction with modelling by DFT and TD-DFT to elucidate the nature and location of the excited state in the novel species.
Original languageEnglish
Pages (from-to)9672-9678
JournalDalton Transactions
Publication statusPublished - 07 Jul 2011


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