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Synthesis 2023; 55(23): 3919-3926
DOI: 10.1055/s-0042-1751482
DOI: 10.1055/s-0042-1751482
feature
Platinum(II) Complexes with Phenylpyridine, Benzo[h]quinoline, and NHC Ligands: Exploration of Ligand Effects on Photophysical Properties
J.S. would like to thank the Studienstiftung des Deutschen Volkes for funding.
Abstract
Platinum(II) complexes with one cyclometalated phenylpyridine or benzo[h]quinoline (C^N) ligand and an N-heterocyclic carbene (NHC) ligand are a robust and readily available class of sky-blue to green phosphorescent triplet emitters. They can be used as a benchmark system to investigate the influence of different ligands on the emissive properties of these [Pt(C^N)(NHC)I] complexes. This new class of compounds was fully characterized by standard techniques. Additionally a solid-state structure could be obtained. Photoluminescence measurements at room temperature revealed the strong emissive behavior of these compounds with quantum yields of up to 80%. The effect of electron-withdrawing and -donating groups on the photophysical properties was examined and rationalized by density functional theory calculations (PBE0/6-311G(d)).
Supporting Information
- Supporting information for this article is available online at https://doi.org/10.1055/s-0042-1751482.
- Supporting Information
Publikationsverlauf
Eingereicht: 17. Mai 2023
Angenommen nach Revision: 10. Juli 2023
Artikel online veröffentlicht:
28. August 2023
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