Journal
INORGANIC CHEMISTRY COMMUNICATIONS
Volume 130, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.inoche.2021.108739
Keywords
Perylened derivatives; Dual-mode; Fluorescent; Probe; Sn2+ detection
Categories
Funding
- National Natural Science Foundation of China [51903032]
- Natural Science Foundation of Heilongjiang Province [LH2019B002]
- Postdoctoral Science Foundation of Heilongjiang Province [LBHZ19045]
- University Nursing Program for Young Scholars with Creative Talents in Heilongjiang Province, China [UNPYSCT-2020111]
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SEPTD, a dual-mode fluorescent probe based on perylene, has been constructed and synthesized for the detection of Sn2+ in DMF solution, showing excellent selectivity and sensitivity. The probe exhibits a superior linear response for Sn2+ concentration in the range of 50 to 100 mu M, with a low detection limit of 0.168 mu M. The mechanism of SEPTD for detecting Sn2+ was investigated through H-1 NMR titration and IR spectra.
A dual-mode fluorescent probe based on perylene, namely N,N'-bis[(2-salicylaldehyde)-ethyl]-3,4,9,10-perylene tetracarboxylicdiimide (SEPTD), has been constructed and synthesized for the detection of Sn2+ in DMF solution. SEPTD exhibited excellent selectivity and sensitivity for detecting Sn2+. The color change of SEPTD was from colerless to yellow in the presence of Sn2+ in DMF solution under 365 nm UV light. The fluorescent intensity of SEPTD was increasing gradually with adding Sn2+. The superior linear response of SEPTD for the concentration of Sn2+ ranged from 50 to 100 mu M. The limit of detection (LOD) of SEPTD for the detection of Sn2+ was low to 0.168 mu M. The reversibility behavior of SEPTD was investigated. Finally, the mechanism of SEPTD for detecting Sn2+ was investigated by H-1 NMR titration and IR spectra.
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