Two Highly Water-Stable Imidazole-Based Ln-MOFs for Sensing Fe3+,Cr2O72-/CrO42- in a Water Environment

被引：203

作者：

Yu, Haihuan ^{[1
]}

Fan, Mingyue ^{[1
]}

Liu, Qun ^{[1
]}

Su, Zhongmin ^{[1
]}

Li, Xiao ^{[1
]}

Pan, Qingqing ^{[1
]}

Hu, Xiaoli ^{[1
]}

机构：

[1] Changchun Univ Sci & Technol, Changchun, Peoples R China

来源：

INORGANIC CHEMISTRY | 2020年 / 59卷 / 03期

基金：

中国国家自然科学基金;

关键词：

METAL-ORGANIC FRAMEWORK; LUMINESCENT; ADSORPTION; CAPACITY; SENSORS;

D O I：

10.1021/acs.inorgchem.9b03364

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Developing highly stable materials for harmful ion detection in a water environment is of much importance and challenging. Here, two three-dimensional porous structures (termed as Eu-MOF and Tb-MOF) were successfully constructed by the strategy of anchoring Eu3+/Tb3+ and rigid 1,2,4,5-benzenetetracarboxylic acid (H4BTEC) imidazole units (H(3)ICA) onto its frameworks. The obtained Eu-MOF and Tb-MOF display high water stability and fluorescence stability up to 30 days. Furthermore, luminescent studies reveal that Eu-MOF and Tb-MOF show rapid, recursive, and simultaneous sensing Fe3+ and Cr2O7 (2)(-)/CrO42- ions in water. In addition, the sensing function possesses remarkable cyclicity and selectivity even with the existence of other analogous ions.

引用

页码：2005 / 2010

页数：6

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