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Martìnez-Vollbert, E., Philouze, C., Cavignac, T., Latouche, C., Loiseau, F. & Lanoe, P.-H. (2024) Neutral 2-phenylbenzimidazole-based iridium(III) complexes with picolinate ancillary ligand: tuning the emission properties by manipulating the substituent on the benzimidazole ring. Dalton Trans. 53 4705–4718.
Added by: Richard Baschera (2024-04-16 07:24:23) Last edited by: Richard Baschera (2024-04-16 07:42:06) |
| Type de référence: Article DOI: 10.1039/D3DT03498D Numéro d'identification (ISBN etc.): 1477-9234 Clé BibTeX: MartnezVollbert2024 Voir tous les détails bibliographiques  |
Catégories: MIOPS Créateurs: Cavignac, Lanoe, Latouche, Loiseau, Martìnez-Vollbert, Philouze Collection: Dalton Trans. |
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| Liens URLs https://pubs.rsc.o ... 2024/dt/d3dt03498d |
| Résumé |
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We report the synthesis and characterization of ten neutral bisheteroleptic iridium(III) complexes with 2-phenylbenzimidazole cyclometallating ligand and picolinate as ancillary ligand. The 2-phenylbenzimidazole has been modified by selected substituents introduced on the cyclometallating ring and/or on the benzimidazole moiety. The integrity of the complexes has been assessed by NMR spectroscopy, by high-resolution mass spectrometry and by elemental analysis. The complexes are demonstrated to be highly phosphorescent at room temperature and a luminescence study with comprehensive ab initio calculations allow us to determine the lowest emitting excited state which depends on the substituent nature and its position on the cyclometallating ligand.
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Publisher: The Royal Society of Chemistry
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