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- W4319758660 endingPage "122471" @default.
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- W4319758660 abstract "An ESIPT based fluorescent perimidine derivative oPSDAN was developed and characterized by 1H NMR, 13C NMR and mass spectroscopy. The study of the photo-physical properties of the sensor unveiled its selectivity and sensitivity towards Cu2+ and Al3+ ions. The sensing of ions was accompanied by colorimetric change (for Cu2+) as well as emission turn-off response. The binding stoichiometries of sensor oPSDAN with Cu2+ ion and Al3+ ions were determined to be 2:1 and 1:1, respectively. The binding constants and detection limits for Cu2+ and Al3+ were calculated from the UV-vis and fluorescence titration profiles as, 7.1 × 104 M-1, 1.9 × 104 M-1 and 9.89 nM, 1.5 × 10-8 M, respectively. The mechanism was established by 1H NMR as well as mass titrations and was supported by DFT and TD-DFT calculations. The UV-vis and fluorescence spectral results were further utilized for construction of memory device, encoder and decoder. Sensor-oPSDAN was also tested for determining Cu2+ ions in drinking water." @default.
- W4319758660 created "2023-02-11" @default.
- W4319758660 creator A5038338413 @default.
- W4319758660 creator A5059393324 @default.
- W4319758660 date "2023-05-01" @default.
- W4319758660 modified "2023-10-03" @default.
- W4319758660 title "ESIPT-based dual-emissive perimidine derivative as a rapid and sensitive sensor for Cu2+ and Al3+: Construction of memory device, 2-to-1 encoder and 1-to-2 decoder" @default.
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- W4319758660 doi "https://doi.org/10.1016/j.saa.2023.122471" @default.
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