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Optimizing Phosphorescence in Platinum(II)-Based Emitters: A Study of Polymer Hosts and Doping Strategies
Elina V Antonova1, Andrey S Romanov1, Evgeniia V Salomatina2
1Saint Petersburg State University, Universitetskaya Nab. 7-9, Saint Petersburg 199034, Russian Federation.
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A series of cyclometalated platinum-(II) complexes bearing neutral isocyanide or acyclic diaminocarbene ancillary ligands were designed and developed. Their photophysical properties were systematically studied in different polymer systems: poly-(methyl methacrylate), polystyrene, poly-(isobornyl acrylate), and copolymers based on them. The dependence of luminescent characteristics on the concentration of the doped complex (0.5-10 wt %), composition, and properties of the polymer material was investigated as key factors for the measurement of quantum yields, excited-state lifetimes, and spectral profiles in routine studies.
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