期刊
INORGANIC CHEMISTRY COMMUNICATIONS
卷 146, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.inoche.2022.110199
关键词
Cd2+; Schiff base ligand; Chemosensor; Photoluminescence; Paper test method
资金
- National Agency of Research and Development of R. Moldova of the Institute of Chemistry [ANCD 20.80009.5007.28]
- National Agency of Research and Development of R. Moldova of the Institute of Applied Physics [ANCD 20.80009.5007.15, 20.80009.5007.19]
In this study, three Schiff base ligands were used as potential chemosensors for the detection of highly toxic pollutants. The results showed that the coordination of these ligands with Cd2+ ion exhibited different photoluminescent responses. These ligands are suitable candidates for a fast, simple, and portable method of Cd(II) ion detection.
Finding suitable probes for the rapid and sensitive detection of highly toxic pollutants is an urgent challenge for our environment. In this paper, three Schiff base ligands (H2L1 = 2,6-diacetylpyridine bis(iso-nicotinoylhydrazone), H2L2 = 2,6-diacetylpyridine bis(nicotinoylhydrazone) and H2L3 = 2,6-diacetylpyridine bis (picolinoylhydrazone)) have been used as potential chemosensors for Cd2+ detection. The corresponding Cd(II) complexes were prepared and it was found that the chemosensors coordinate similarly to the Cd2+ ion, eventually exhibiting different photoluminescent responses. Coordination of H2L1 and H2L2 to the Cd(II) ion results in a turn-off photoluminescence, while coordination of H2L3 show an excellent example of a turn-on mode of photoluminescence. Moreover, all three studied ligands are appropriate candidates for a fast, simple and portable method of Cd(II) ion detection.
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