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Pomegranate leaf extract-based carbon dots for the selective detection of 2,4,6-trinitrophenol

  • MRS 50th Anniversary Research Letter
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Abstract

Green synthesis of highly soluble and photostable carbon dots (CDs) through hydrothermal treatment of highly carbonaceous pomegranate leaf extract has been demonstrated. Since the oxygen-containing functional groups of CDs can interact with nitro groups of 2,4,6-trinitrophenol (TNP), the PL intensity of the as-prepared CDs was significantly quenched in the presence of 2,4,6-TNP; this phenomenon was ascribed to the formation of a ground state complex caused by the inner filter effect mechanism. The developed sensing platform displayed a linear curve with a detection limit of 0.0620 μM and regression coefficient of 0.99616 for different concentrations of 2,4,6-TNP ranging from 0 to 120.0 μM.

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The datasets generated during and/or analyzed during the current study are available from the corresponding author on reasonable request.

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Acknowledgments

Authors thankfully acknowledge the staff of the Institute Instrumentation Centre, IIT Roorkee for providing access to advanced characterization facilities.

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Authors and Affiliations

  1. Joint Department of Biomedical Engineering at the University of North Carolina and North Carolina State University, Chapel Hill, NC, USA

    Sachin Kadian, Shubhangi Shukla & Roger J. Narayan

  2. Department of Biosciences and Bioengineering, Indian Institute of Technology Roorkee, Roorkee, 247667, India

    Ashish Kalkal

  3. Department of Metallurgical and Materials, Indian Institute of Technology Roorkee, Roorkee, 247667, India

    Vaibhav Jain

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  1. Sachin Kadian
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Correspondence to Roger J. Narayan.

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Kadian, S., Kalkal, A., Jain, V. et al. Pomegranate leaf extract-based carbon dots for the selective detection of 2,4,6-trinitrophenol. MRS Communications 13, 885–891 (2023). https://doi.org/10.1557/s43579-023-00430-6

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