Journal
PHOTOCHEMICAL & PHOTOBIOLOGICAL SCIENCES
Volume 16, Issue 11, Pages 1591-1595Publisher
SPRINGERNATURE
DOI: 10.1039/c7pp00329c
Keywords
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Funding
- CSIR, New Delhi under SRA scheme [13(8772)-A/2015-Pool]
- Australian Research Council under a Future Fellowship Scheme [FT110100152]
- SERB, New Delhi, India [SB/S1/IC-009/2014]
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A pyrene-based probe bearing benzothiazole ionophore (Py-BTZ) was synthesised as a turn-on fluorescent chemosensor for the detection of Fe3+ and Fe2+ ions in CH3CN : H2O (1 : 1, v/v) solvent mixes. The chemosensor showed optical as well as colorimetric changes towards Fe3+ and Fe2+ ions along with a remarkable enhancement in fluorescence emission. The detection limit of Py-BTZ towards Fe3+ and Fe2+ ions was found to be 2.61 mu M and 2.06 mu M, respectively. The binding of Py-BTZ with Fe3+ and Fe2+ was determined by using FT-IR experiments. Interestingly, Py-BTZ shows aggregation induced emission enhancement (AIEE) properties in polar solvent mixes such as CH3CN : H2O (1 : 1, v/v).
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