A new stable luminescent Cd(II) metal-organic framework with fluorescent sensing and selective dye adsorption properties

被引：71

作者：

Tong, Wen-Quan ^{[1
]}

Liu, Wei-Ni ^{[1
]}

Cheng, Jian-Guo ^{[1
]}

Zhang, Peng-Feng ^{[1
]}

Li, Gao-peng ^{[1
]}

Hou, Lei ^{[1
]}

Wang, Yao-Yu ^{[1
]}

机构：

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

来源：

DALTON TRANSACTIONS | 2018年 / 47卷 / 28期

关键词：

SINGLE-CRYSTAL TRANSFORMATION; COORDINATION POLYMERS; AQUEOUS-SOLUTION; SENSOR MOLECULES; HIGH-SENSITIVITY; CO2; CAPTURE; CU2+ IONS; CR-VI; SORPTION; LIGANDS;

D O I：

10.1039/c8dt01694a

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A new luminescent metal-organic framework,{[Cd-3(HL)(2)(H2O)(3)]center dot 3H(2)O center dot 2CH(3)CN}(n) (1) (H4L = 1-(3,5-dicarboxylatobenzyl)- 3,5-pyrazole dicarboxylic acid), has been synthesized by solvothermal reaction and characterized by infrared spectroscopy, powder X-ray diffraction, thermogravimetry measurements and so on. 1 shows a new trinodal (4,4,6)-connected topology. Importantly, 1 displays intense luminescence in the solid state and high luminescent sensitivity and selectivity for Fe3+, CrO42- and Cr2O72- ions in aqueous solution, making it a potential probe for detecting these substances. The quenching mechanisms are also further discussed in detail. In addition, further research on the adsorption of dyes shows that 1 can selectively adsorb Congo red dye from other dye molecules.

引用

页码：9466 / 9473

页数：8

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