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A pyrene based fluorescent turn-on chemosensor: aggregation-induced emission enhancement and application towards Fe3+ and Fe2+ recognition

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Abstract

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 μM and 2.06 μM, 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).

Graphical abstract: A pyrene based fluorescent turn-on chemosensor: aggregation-induced emission enhancement and application towards Fe3+ and Fe2+ recognition

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Publication details

The article was received on 01 Sep 2017, accepted on 29 Sep 2017 and first published on 02 Oct 2017


Article type: Communication
DOI: 10.1039/C7PP00329C
Citation: Photochem. Photobiol. Sci., 2017, Advance Article
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    A pyrene based fluorescent turn-on chemosensor: aggregation-induced emission enhancement and application towards Fe3+ and Fe2+ recognition

    S. D. Padghan, A. L. Puyad, R. S. Bhosale, S. V. Bhosale and S. V. Bhosale, Photochem. Photobiol. Sci., 2017, Advance Article , DOI: 10.1039/C7PP00329C

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