Long-Lived Polypyridyl Based Mononuclear Ruthenium Complexes: Synthesis, Structure, and Azo Dye Decomposition
作者:Koushik Singha、Paltan Laha、Falguni Chandra、Niranjan Dehury、Apurba L. Koner、Srikanta Patra
DOI:10.1021/acs.inorgchem.7b00536
日期:2017.6.5
[1]2+; ϕ = 0.043 and τavg = 425 ns and λmaxem at 635 nm for [2]2+). Further, the long luminescent lifetime of these complexes has been utilized to generate reactive oxygen species for efficient azo dye decomposition.
两种单核钌络合物[(bpy)2 Ru II L 1 / L 2 ](ClO 4)2([ 1 ] 2+ / [ 2 ] 2 +)(bpy-2,2'bipyridine,L 1 = 2,3 -di(pyridin-2-yl)pyrazino [2,3- f ] [1,10] phenothroline)和L 2 = 2,3-di(thiophen-2-yl)pyrazino [2,3- f ] [1 ,10]菲咯啉已合成。使用各种分析技术对复合物进行了表征。复杂[ 1 ] 2+其进一步的特征在于其单晶X射线结构,表明钌通过菲咯啉末端的N个供体进行配位。理论研究表明,两种配合物的HOMO均由配体L 1和L 2的吡啶和吡嗪单元组成,而LUMO则由联吡啶单元形成。配合物在约480 nm处的低能带可被指定为MLCT,部分由配体跃迁贡献,其余部分以配体为中心。对于[ 1 ] 2+,络合物显示出Ru II