Journal
ACS OMEGA
Volume 5, Issue 9, Pages 4636-4645Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsomega.9b04364
Keywords
-
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Funding
- National Natural Science Foundation of China [21601125, 51974001]
- Chenguang Scholar of Shanghai Municipal Education Commission [16CG64, 18CG67]
- Natural Science Foundation of Shanghai [16ZR1435700]
- Shanghai Gaofeng & Gaoyuan Project for University Academic Program Development
- Industry Catalysis Funding of Shanghai Institute of Technology(CHJJ-2)
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A cyclometallated phosphorescent iridium-based probe to detect CN- was prepared through a cyanide alcoholize reaction based on the C<^>N type main ligand and N<^>N type ancillary ligand (2-phenyl pyridine and 1,10-phenanthroline-5-carboxaldehyde, respectively). The efficient probe exhibited good sensitivity in response to CN- in an CH3CN and H2O (95/5) mixture within a 1.23 mu M detection limit. The response of PL is directly in line with the concentration of CN- from 0 to 2.0 equiv. The PL investigation of other reactive anions proved the great selectivity to CN-. Additionally, upon adding 1.0 equiv. of cyanide, the formation of cyanohydrin was correctly elucidated in H-1 NMR, FT-IR, and mass spectra results indicate that the iridium complex has the potential possibility of application in other biosystems studies. The conspicuous related to CN-.
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