Two alkaline earth metal coordination polymers based on a new oxamate-dicarboxylate ligand: Selective fluorescence sensing of Fe3+ in aqueous solution

被引：8

作者：

Ma, Li-Na ^{[1
]}

Lu, Yu-Ke ^{[1
]}

Shi, Wen-Juan ^{[1
]}

Hou, Lei ^{[1
]}

Wang, Yao-Yu ^{[1
]}

机构：

[1] Northwest Univ, Coll Chem & Mat Sci, Natl Demonstrat Ctr Expt Chem Educ, Minist Educ,Key Lab Synthet & Nat Funct Mol Chem, Xian 710069, Shaanxi, Peoples R China

来源：

INORGANIC CHEMISTRY COMMUNICATIONS | 2019年 / 107卷

关键词：

Coordination polymer; Crystal structure; Topology; Solvothermal synthesis; Fluorescence sensing; ORGANIC FRAMEWORKS; LUMINESCENT; SENSOR; SITES; MOF; DERIVATIVES; ADSORPTION; SERIES; CO2;

D O I：

10.1016/j.inoche.2019.107490

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Two different alkaline earth metal coordination polymers (AE-CPs) {[Ca3L2(H2O)(6)]center dot 2H(2)O}(n) (1) and [Sr(H2L)(2)](n) (2) were constructed from using 5-(ethyl oxamate)-isophthalic acid (H2EtL) ligand with alkaline earth metal ions Ca2+ and Sr2+ under solvothermal conditions, respectively. Among them, L and H2L are formed by in-situ hydrolysis of H2EtL, which display multiple kinds of coordinated modes through oxamate and carboxylate groups. 1 and 2 both show three-dimensional coordination frameworks possessing unprecedented (3,4,5)-connected skgl topology and (3,6)-connected ant topology, respectively. The solid-state fluorescence properties of 1 and 2 were studied, and 1 with bright blue luminescence reveals selective sensing toward Fe3+ ion in water with the low detection limit (LOD) of 1.04 x 10(-3) M.

引用

页数：5

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