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A Green synthesis of highly luminescent carbon dots from itaconic acid and its application as an efficient sensor for Fe3+ ions in aqueous medium

Abstract

highly luminescent nitrogen-doped CDs (N-CDs) in a green way which can be adopted for large-scale production of luminescent N-CDs. The aqueous solution of N-CDs possesses high colloidal and luminescent stability under various environments. We have demonstrated the N-CDs as a sensitive and selective fluorescence sensor for the determination of Fe3+ ions which is a well-known environmental pollutant. We have achieved the limit of detection (LOD) of about 96 nM which is very lower than the most of the previously reported CDs-based Fe3+ sensors. Complexation between oxygen functionalities of N-CDs and Fe3+ followed by photoinduced electron transfer from N-CDs to Fe3+ ions is found to be the most probable mechanism for the observed sensing behavior.

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Publication details

The article was received on 17 Feb 2018, accepted on 10 Apr 2018 and first published on 13 Apr 2018


Article type: Paper
DOI: 10.1039/C8NJ00813B
Citation: New J. Chem., 2018, Accepted Manuscript
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    A Green synthesis of highly luminescent carbon dots from itaconic acid and its application as an efficient sensor for Fe3+ ions in aqueous medium

    R. Vadivel, S. H. Subray and P. Ramamurthy, New J. Chem., 2018, Accepted Manuscript , DOI: 10.1039/C8NJ00813B

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