Pyridazine hydrogen bond skeleton fluorescence sensing material and preparation method and application thereof

The invention relates to the technical field of metal ion detection, in particular to a pyridazine hydrogen bond skeleton fluorescence sensing material as well as a preparation method and application thereof. According to the present invention, the H3 (5-COIA) organic ligand is added to DEF, the pyridazine hydrogen bond skeleton fluorescence sensing material is prepared through the one-pot solvothermal method, the preparation method has advantages of simple process, convenient operation, high yield, good reproducibility and the like, and the pyridazine hydrogen bond skeleton fluorescence sensing material has characteristics of strong fluorescence emission spectrum intensity, high sensitivity, good sensitivity and the like. The pyridazine hydrogen bond skeleton fluorescence sensing material has good anti-interference performance on detection of Dy < 3 + > ions, can efficiently detect the Dy < 3 + > ions in a mixed metal ion aqueous solution, and has wide application prospects in the fields of fluorescence labe