Journal
INORGANICA CHIMICA ACTA
Volume 528, Issue -, Pages -Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.ica.2021.120632
Keywords
MOF; Ratio fluorescence; Pesticides
Categories
Funding
- Natural Science Foun-dation of China [U1608224, 21171118]
- Distinguished Professor Project of Liaoning province, Liao Ning Revitalization TalentsProgram [XLYC1907047]
- Liaoning Science and Technology Project Management [2019-BS-192]
- Basic Research Project of Educational Department of Liaoning Province [LQ2020005, LQ2020004]
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In this study, a water-stable 3D metal-organic framework (MOF) has been successfully synthesized and used to distinguish various pesticides, particularly for detecting glyphosate. The material demonstrates high selectivity, sensitivity, and recyclability for glyphosate detection.
Developing an excellent recognition detector to pesticides is important and challenging. Herein, a water-stable 3D metal-organic framework (MOF), namely [Tb(L)(2)NO3](n) (HL = 3.5-bis (triazol-1-yl) benzoic acid), has been prepared under the solvothemal condition and characterized by element analysis, single-crystal X-ray diffraction, Powder X-ray diffraction (PXRD) and thermogravimetric analysis. Under 2D decoded map with ratio fluorescence, various pesticides are distinguished. Tb-MOF is an ideal fluorescence material that can detect glyphosate with high selectivity, sensitivity and excellent recyclability. And the limit of detection of glyphosate is 0.0144 mu M in the range of 0-630 mu M. This work provides a valuable platform for further detection and identification of the pesticides.
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