A water-stable Tb-MOF as a multifunctional luminescent sensor for Fe3+and Cr2O72-in water

被引：8
|
作者：
Sun, Na [1 ]
Zhang, Yujie [1 ]
Yin, Li [1 ]
Xiong, Gang [1 ]
You, Lixin [1 ]
He, Yongke [1 ]
Sun, Yaguang [1 ]
机构：
[1] Shenyang Univ Chem Technol, Key Lab Inorgan Mol Based Chem Liaoning Prov, Shenyang 110142, Peoples R China
来源：
INORGANICA CHIMICA ACTA | 2023年 / 555卷
基金：
中国国家自然科学基金;
关键词：
MOF; Fluorescence; Crystal structure; METAL-ORGANIC FRAMEWORK; COORDINATION POLYMERS; FLUORESCENT-PROBE; HIGH-SENSITIVITY; IONS; COMPLEXES; SITES; PH; TEMPERATURE; FABRICATION;
D O I：
10.1016/j.ica.2023.121581
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
A 3D terbium metal-organic framework, {[Tb(CPBi)(DMF)(H2O)]center dot H2O}n. (namely Tb-MOF, H3CPBi = 2-(3,5dicarboxyphenyl)-6-carboxybenzimidazole, DMF = N,N-Dimethylformamide) was synthesized under solvothermal conditions for the luminescent study. By virtue of the strong luminescence and excellent water stability, Tb-MOF has been applied as a multi-responsive luminescent sensor for Fe3+ and Cr2O72- in aqueous solutions, which exhibits outstanding detection effect with high selectivity and sensitivity. The Ksv values of TbMOF for Fe3+ and Cr2O72- are 7.435 x 103 M-1 and 1.1652 x 104 M-1 in water systems, respectively. Meanwhile, the possible detecting mechanisms of Tb-MOF for Fe3+ and Cr2O72- were further speculated.
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页数：6
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