摘要
通过配体1,2-环己二胺缩邻香兰素(H2L)和不同的镱盐反应,合成了4个镱稀土配合物[Yb(H_2L)_2](ClO_4)_3·2CH_3OH·H_2O(1),[Yb_4(L)_4(NO_3)2(H_2O)_2](PF_6)_2·4CH_3CN(2),[Yb_4(L)_4(H_2O)_2Cl_2](PF6)_2·2CH_2Cl_2·2H_2O(3)和[Yb_4(L)_4(NO_3)_2(H2O)_2][Yb(NO_3)_3(H_2O)_2(CH_3OH)](NO_3)_2·4CH_2Cl_2·6CH_3OH(4)。X射线单晶衍射分析表明配合物1为零维的单核结构,配合物2~4均为四核结构。研究了4个配合物的近红外发光性能。
A series of four N,N'-bis(3-methoxy-salicylidene)cyclohexane-1,2-diamine(H2L) ytterbium complexes, namely,[Yb(H2L)2](ClO4)32CH3OHH2O (1),[Yb4(L)4(NO3)2(H2O)2](PF6)24CH3CN (2),[Yb4(L)4(H2O)2Cl2](PF6)22CH2Cl22H2O (3) and[Yb4(L)4(NO3)2(H2O)2] [Yb(NO3)3(H2O)2(CH3OH)](NO3)34CH2Cl26CH3OH (4) have been isolated by reactions of H2L with various ytterbium salts. X-ray crystallographic analysis reveals that complex 1 is of a discrete mononuclear structure, and complexes 2~4 are of homoleptic tetra-nuclear structure. The NIR luminescence of all complexes were investigated and discussed.
出处
《无机化学学报》
SCIE
CAS
CSCD
北大核心
2017年第8期1489-1496,共8页
Chinese Journal of Inorganic Chemistry
基金
国家自然科学基金(No.51402092,21601132)资助项目~~
关键词
近红外发光
镱配合物
结构
NIR luminescent ytterbium complexes structure