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首页> 外文期刊>Inorganic Chemistry Communications >Temperature dependence of dual emission in ruthenium(II) complexes containing 3,3'-bi-1,2,4-triazine derivatives
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Temperature dependence of dual emission in ruthenium(II) complexes containing 3,3'-bi-1,2,4-triazine derivatives

机译:含3,3'-bi-1,2,4-三嗪衍生物的钌(II)配合物中双发射的温度依赖性

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摘要

Three new ruthenium(II) polypyridyl complexes with highly n-deficient ligands, [Ru(bpy)2(btm)]~(2+) (1), [Ru (bpy)2(btb)]~(2+) (2) and [Ru(bpy)2(btp)]~(2+) (3) (bpy = 2,2'-bipyridine, btm = 3,3'-bis(5,6-dimethyl-1,2,4-triazine, btb = 3,3'-bis(5,6-diphenyl-1,2,4-triazine, btp = 3,3'-bis(phenanthro[9,10-e][1,2,4]triazine) were synthesized and characterized. Electrochemical data together with molecular calculations show that the first redox process in these complexes is not bpy based. Complexes 1, 2 and 3 display luminescence in ethanol/ methanol (4/1, V/V) at 80 K, and all three complexes exhibit a temperature switch from single (150 K) to dual (80 K) emission behavior.
机译:具有高度n缺陷配体的三种新的钌(II)聚吡啶基络合物[Ru(bpy)2(btm)]〜(2+)(1),[Ru(bpy)2(btb)]〜(2+)( 2)和[Ru(bpy)2(btp)]〜(2+)(3)(bpy = 2,2'-联吡啶,btm = 3,3'-双(5,6-二甲基-1,2, 4-三嗪,btb = 3,3'-bis(5,6-二苯基-1,2,4-三嗪,btp = 3,3'-bis(phenanthro [9,10-e] [1,2,4合成并表征,电化学数据和分子计算表明,这些配合物中的第一个氧化还原过程不是基于bpy的,配合物1、2和3在乙醇/甲醇(4/1,V / V)下显示发光80 K,并且所有三个配合物都表现出从单(150 K)到双(80 K)发射行为的温度转换。

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