A FLUORESCENT PROBE OF THE Zn(II) COMPLEX CONSTRUCTED BY TERPHENYL- 3,2″,3″,5,5″,5′′′-HEXACARBOXYLIC ACID AND 3,5-BIS(1-IMIDAZOLE)PYRIDINE

The Zn complex based on terphenyl-3,2″,3″,5,5″,5′′′-hexacarboxylic acid and 3,5-bis(1-imidazole)pyridine is synthesized and characterized. The fluorescence quenching ability of the Zn complex for different anions and cations in an aqueous solution is detected by the fluorescence method. The analysis shows that the Zn complex has an obvious fluorescence quenching phenomenon for Cr₂O₇²⁻ and Fe3+ ions in water, which has a certain potential to detect pollutants in water. The research provides an important background for the study of these complexes as new fluorescent probe materials for detecting pollution sources in water.