Bimetallic Lanthanide-Organic Framework Membranes as a Self- Calibrating Luminescent Sensor for Rapidly Detecting Antibiotics in Water

被引:82
作者
Dong, Jie [1 ,2 ]
Hou, Sheng-Li [1 ]
Zhao, Bin [1 ]
机构
[1] Nankai Univ, Dept Chem, Key Lab Adv Energy Mat Chem, Minist Educ, Tianjin 300071, Peoples R China
[2] Tianjin Univ, Sch Sci, Dept Chem, Tianjin Key Lab Mol Optoelect Sci, Tianjin 300072, Peoples R China
关键词
metal-organic frameworks; membranes; luminescent sensor; bimetallic; antibiotic; 2D map; MIXED-MATRIX MEMBRANES; MASS-SPECTROMETRY; PROBE; IONS; POLYMERIZATION; EXTRACTION; EXPLOSIVES; EMISSION; SITES;
D O I
10.1021/acsami.0c09940
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Rapid, facile, and reliable recognition of different antibiotics by self-calibrating luminescent sensors are important for practical requirements. Herein, we design and synthesize a series of Eu1-xTbx-MOF using a flexible ligand H4L (5,5'-(propane-1,3-diylbis(oxy))di-isophthalic acid). With changing reactant time, submicrometer bimetallic SMOF-10-10h with homogeneous morphology was achieved and further fabricated MOF-based membrane combining with polymer materials. A luminescent study indicated that the bimetallic SMOF-10-10h membrane possesses a legible emission peak for Eu3+ and Tb3+ ions, which can act as a self-calibrating luminescent probe for efficiently sensing different antibiotics within a certain concentration range through two-dimensional (2D) readouts based on the emission intensity ratio. Our work first reports an inexpensive and convenience bimetallic MOF-based membrane as a luminescent sensor with self-calibrating to detect various antibiotics, which makes it a potential luminescent sensor for beneficial application.
引用
收藏
页码:38124 / 38131
页数:8
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