The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: Diphenyl-2-pyridylphosphine, is researched, Molecular C17H14NP, CAS is 37943-90-1, about The impact of cyclometalated and phosphine ligands on the luminescence properties of cycloplatinated(II) complexes: photophysical and theoretical investigations, the main research direction is platinum difluorophenylpyridine cyclometalated phosphine DMSO complex preparation photoluminescence.Recommanded Product: Diphenyl-2-pyridylphosphine.
The present work investigates the synthesis and characterization of a series of cycloplatinated(II) complexes, bearing the 2-(2,4-difluorophenyl)pyridine (dfppy) cyclometalated ligand with the general formula of [Pt(dfppy)(Cl)(L)] (A, 1a, 1b; L = DMSO, PPh2py, PPh3). The phosphine-containing dfppy derivatives are photophys. compared with their previously reported ppy (2-phenylpyridine) counterparts. UV-Vis absorption spectra of these complexes were assigned using TD-DFT (time-dependent d. functional theory) calculations It is observed that the wavelengths (low-energy region) used for excitation are related to the mixed 1ILCT/1MLCT/1XLCT electronic transitions. Theor. investigations on the frontier MOs of the T1 states confirmed that these transitions are also kept in the triplet excited states and lead to the emissive states with 3ILCT/3MLCT/3XLCT character. This would be exptl. verified by the appearance of the structured emission bands and the 3ILCT being mainly present in the emissive state. However, the dfppy derivatives show dual emission bands (high energy as a structured emission band and low energy as an unstructured emission band) in the solid state, which are not observed in the ppy analogs. The dfppy complexes exhibit spectral blue shifts and have higher quantum yield values compared with the ppy analogs. In this regard, the complexes with PPh2py show stronger emissions than those containing PPh3.
《The impact of cyclometalated and phosphine ligands on the luminescence properties of cycloplatinated(II) complexes: photophysical and theoretical investigations》 provides a strategy for the preparation of materials with excellent comprehensive properties, which is conducive to broaden the application field of this compound(Diphenyl-2-pyridylphosphine)Recommanded Product: Diphenyl-2-pyridylphosphine.
Reference:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem