Abstract
An amidine based chemosensor AM-1 was synthesized and characterized by various spectroscopic (FT-IR, 1H-NMR and mass) data and elemental analyses. Sensor AM-1 exhibited high selectivity and sensitivity towards Fe3+, Fe2+ and Cu2+ in the presence of other surveyed ions (such as Sr2+, Cr3+, Co2+, Ni2+, Zn2+, Ag+, Al3+, Ba2+, Ca2+, Cd2+, Cs+, Hg2+, K+, Li+, Mg2+, Mn2+, Na+ and Pb2+) with a distinct naked-eye detectable color change and a shift in the absorption band. Moreover, the emission of AM-1 was quenched selectively only in the presence of Fe3+.
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Acknowledgments
The author Dr. U. D. Patil is grateful to Department of Science & Technology, New Delhi, INDIA (Reg. No. CS-088/2013) and ‘North Maharashtra University, Jalgaon’, VCRMS Scheme, for the financial support.
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Nandre, J., Patil, S., Patil, P. et al. The Amidine Based Colorimetric Sensor for Fe3+, Fe2+, and Cu2+ in Aqueous Medium. J Fluoresc 24, 1563–1570 (2014). https://doi.org/10.1007/s10895-014-1438-4
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DOI: https://doi.org/10.1007/s10895-014-1438-4
Keywords
- Amidine
- Chemosensor
- Chromogenic receptor
- Multi metal ion sensor
- DFT