Dinuclear copper(I) complexes containing diimine and phosphine ligands: Synthesis, copper–copper separation and photophysical properties
作者:Yong Chen、Ji-Shu Chen、Xin Gan、Wen-Fu Fu
DOI:10.1016/j.ica.2008.11.007
日期:2009.5
Abstract Dinuclear copper(I) complexes with bridging bis(dicyclohexylphosphino)methane (dcpm) or bis(diphenylphosphino)methane (dppm) and 2,2′-bipyridine or 2-[N-(2-pyridyl)methyl]amino-5,7-dimethyl-1,8-naphthyridine (L), [Cu2(bpy)2(dppm)2](BF4)2 (1), [Cu2(bpy)2(dcpm)](BF4)2 (2), [Cu2(L)(dppm)](BF4)2 (3) and [Cu2(L)(dcpm)](BF4)2 (4) were prepared, and their structures were determined by X-ray crystal
摘要双桥联双(二环己基膦基)甲烷(dcpm)或双(二苯基膦基)甲烷(dppm)和2,2'-联吡啶或2- [N-(2-吡啶基)甲基]氨基-5的双核铜(I)配合物, 7-二甲基-1,8-萘啶(L),[Cu2(bpy)2(dppm)2](BF4)2(1),[Cu2(bpy)2(dcpm)](BF4)2(2),制备[Cu 2(L)(dppm)](BF 4)2(3)和[Cu 2(L)(dcpm)](BF 4)2(4),并通过X射线晶体分析确定它们的结构。在这些配合物中发现了两个,三个和四个坐标的铜(I)中心。化合物3和4的CuI⋯CuI间距分别为2.664(3)和2.674(1)A,而在2的分子内铜-铜距离为3.038 A,只有dcpm作为附加桥。1、3和4的粉末状样品在室温下分别显示出强烈的和长寿命的磷光,λmax分别为533、575和585 nm。在固态状态下,2在555 nm处仅表现出微弱的发