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Styrylisoxazole based Fluorescent Probes for the Detection of Hydrogen Sulfide

Abstract

Styrylisoxazoles bearing nitro group linked to bulky aromatic rings have been synthesized and examined for their absorption and emission studies in organic solvents and water. The molecules showed emission in the visible region with significant solvatochromic emission shifts influenced by the extended conjugation of aromatic rings and intramolecular charge transfer. These absorption and emission changes were used for efficient and sensitive detection of trace concentrations of hydrogen sulfide (H2S) through reduction of the nitro group to the amine in the presence of aqueous sodium sulfide. The experimental results indicated that the probes exhibited excellent emission response with large shifts in the emission and sensitivity with micromolar detection limit.

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Publication details

The article was received on 01 Sep 2017, accepted on 06 Nov 2017 and first published on 07 Nov 2017


Article type: Paper
DOI: 10.1039/C7PP00331E
Citation: Photochem. Photobiol. Sci., 2017, Accepted Manuscript
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    Styrylisoxazole based Fluorescent Probes for the Detection of Hydrogen Sulfide

    J. K. Katla and S. Kanvah, Photochem. Photobiol. Sci., 2017, Accepted Manuscript , DOI: 10.1039/C7PP00331E

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