Structures and luminescent sensors of mixed-counterions based salen-type lanthanide coordination polymers

被引:9
|
作者
Du, Jin-Long [1 ]
Wang, Xin-Yu [1 ]
Zou, Xiao-Yan [1 ]
Li, Yu-Xin [1 ]
Li, Wei-Zuo [1 ]
Yao, Xu [1 ]
Li, Guang-Ming [1 ]
机构
[1] Heilongjiang Univ, Sch Chem & Mat Sci, Key Lab Funct Inorgan Mat Chem MOE, 74 Xuefu Rd, Harbin 150080, Heilongjiang, Peoples R China
基金
中国国家自然科学基金; 国家教育部博士点专项基金资助;
关键词
formaldehyde detection; lanthanide; luminescent sensor; salen-type; three; two-dimensional structure; METAL-ORGANIC FRAMEWORK; MOLECULE MAGNET BEHAVIOR; COMPLEXES SYNTHESIS; CRYSTAL-STRUCTURE; NIR LUMINESCENCE; PROBE; LN; CATALYSIS; EXCHANGE; MOF;
D O I
10.1002/bio.3506
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
Reactions of N,N-bis (salicylidene)-1,2-cyclohexanediamine (H2L) with mixed lanthanide counterions of LnCl(3)6H(2)O and Ln (NO3)(3)6H(2)O afford six H2L lanthanide coordination polymers, e.g. {[Pr(H2L)(2)(NO3)(2)Cl]2CH(2)Cl(2)}(n) (1); {[Ln(H2L)(1.5)(NO3)(3)](2)5CHCl(3)mCH(3)OH}(n) [Ln=Sm (2), Eu (3), Gd (4), Tb (5) and Yb (6); m=1 (2-5); m=0 (6)]. X-ray crystallographic analysis reveals that complex 1 exhibits three-dimensional diamondoid topologic structure and complexes 2-6 are of two-dimensional structure. Luminescent spectra show that complexes 1 and 6 have characteristic near-infrared (NIR) emission of praseodymium (III) and ytterbium (III) ions and complexes 2-5 emit luminescence in the visible region. Complexes 3 and 6 reveal sensitive luminescence responses to formaldehyde.
引用
收藏
页码:1040 / 1047
页数:8
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