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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >Structures and photophysical properties of copper(I) complexes bearing diphenylphenanthroline and bis(diphenylphosphino) alkane: the effect of phenyl groups on the phenanthroline ligand
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Structures and photophysical properties of copper(I) complexes bearing diphenylphenanthroline and bis(diphenylphosphino) alkane: the effect of phenyl groups on the phenanthroline ligand

机译:带有二苯基菲咯啉和双(二苯基膦基)烷烃的铜(I)配合物的结构和光物理性质:苯基对菲咯啉配体的影响

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摘要

A series of copper(I) complexes bearing 2,9-dimethyl-4,7-diphenyl-1,10-phenanthroline (dmpp) and a diphosphine ligand have been prepared. The diphosphine ligands used have two, three or four methylene carbons between the two phosphorus atoms. The crystallographic study has revealed that two of the three complexes have the mononuclear structure bearing dmpp and a bidentate diphosphine ligand, and one is a diphosphine-bridged binuclear complex. The photoluminescence of the complexes in solution was studied and compared with the previously reported complexes bearing 2,9-dimethyl-1,10-phenanthroline (dmp). It was found that the two phenyl groups on the phenanthroline ligand have a marked effect on the photophysical properties of the complexes; the intensity of the emission of the complexes is greatly enhanced by the phenyl groups. The photophysics of the complexes is discussed with the results of DFT and TDDFT calculations.
机译:已经制备了一系列带有2,9-二甲基-4,7-二苯基-1,10-菲咯啉(dmpp)和二膦配体的铜(I)配合物。所用的二膦配体在两个磷原子之间具有两个,三个或四个亚甲基碳。晶体学研究表明,三种配合物中的两种具有带有dmpp和双齿二膦配体的单核结构,一种是二膦桥联的双核配合物。研究了溶液中配合物的光致发光,并与先前报道的带有2,9-二甲基-1,10-菲咯啉(dmp)的配合物进行了比较。发现菲咯啉配体上的两个苯基对配合物的光物理性质具有显着影响;其结果如表1所示。苯基基团大大提高了配合物的发射强度。结合DFT和TDDFT计算结果讨论了配合物的光物理性质。

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