Journal
MICROCHEMICAL JOURNAL
Volume 153, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.microc.2019.104441
Keywords
Metal-organic framework (MOF); Pesticide detection; Luminescent sensor; Rapid detection
Categories
Funding
- NSFC [31671940, 31701707]
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A highly sensitive method for parathion detection based on a luminescent zinc incorporated metal-organic framework (Zn-MOF) is reported in this work. The Zn-MOF was synthesized under solvothermal conditions with tetrakis (4-carboxyphenyl) porphyrin (TCPP) and 1,2,4,5-tetrakis (4-carboxyphenyl) benzene (H4TCPB) providing the ligand. The as-prepared Zn-MOF emitted violet fluorescence under ultraviolet light. By quenching the fluorescence intensity, the Zn-MOF showed selective response to parathion among 15 kinds of organophosphates (OPPs), with minimum response concentration 1.950 mu g.L-1. The Zn-MOF based fluorescent method was used for parathion spiked irrigation water and a satisfactory recovery rate was obtained, indicating its potential for rapid analysis of environmental samples.
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