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dc.contributor.authorDavies, David L.-
dc.contributor.authorLelj, Francesco-
dc.contributor.authorLowe, Mark P.-
dc.contributor.authorRyder, Karl S.-
dc.contributor.authorSingh, Kuldip-
dc.contributor.authorSingh, Shalini-
dc.identifier.citationDalton Transactions, 2014en
dc.description.abstractBiscyclometallated iridium complexes [Ir(ppz)[subscript 2](X^Y)][PF[subscript 6]] (X^Y = pyridine imine) have been synthesised. The pyridineimine ligands are prepared in situ during the complexation. The complexes show room temperature emission between 640 and 780 nm in CH[subscript 2]Cl[subscript 2] solution. The emission is red shifted compared with the analogous bipyridine complex [Ir(ppz)[subscript 2](bipy)][PF[subscript 6]]. DFT calculations have been used to shed light on the influence of the imine substituent on the electrochemical and photochemical properties. In particular, the calculations suggests that there is a significant change in geometry between the ground state and the first triplet excited state for arylimines but not for alkylimines, leading to much weaker emission for the arylimine complexes. The work demonstrates that pyridineimines can be used as a substitute for bipyridines in luminescent iridium complexes.en
dc.publisherRoyal Society of Chemistryen
dc.rightsCopyright © 2014, The Royal Society of Chemist. Deposited with reference to the publisher’s archiving policy available on the SHERPA/RoMEO website.en
dc.titlePyridine imines as ligands in luminescent iridium complexesen
dc.typeJournal Articleen
dc.description.versionPublisher Versionen
dc.type.subtypeJOURNAL ARTICLE-
pubs.organisational-group/Organisation/COLLEGE OF SCIENCE AND ENGINEERINGen
pubs.organisational-group/Organisation/COLLEGE OF SCIENCE AND ENGINEERING/Department of Chemistryen
Appears in Collections:Published Articles, Dept. of Chemistry

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