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- W4200523761 abstract "Carbon dots (CDs), the luminescent nano-carbon genus have garnered increased research interest due to their intriguing properties of good water solubility, photostability, tuneable emission characteristics, biocompatibile nature etc. The present investigation deals with the microwave assisted synthesis of cyan luminescent carbon dots from Arrowroot powder without any further modifications. The results of various characterization techniques reveal that the carbon dots are of spherical shape with size below 5 nm, and the surface is functionalized with hydroxyl, carboxylic, epoxy groups etc. More interestingly, fluoride ions caused a noticeable quenching of the luminescence of these carbon dots, which enabled the highly selective fluorimetric detection of this ion, with limits of detection 521 nM. The turned off photoluminescence is thus getting enhanced with the introduction of of Al3+ to the CDs-F- probe, with considerable selectivity. This, in turn enables dual analyte detection, vis., sensing of F- and Al3+ ions, using arrowroot derived carbon dots, by monitoring the photoluminescence spectral profile of the system." @default.
- W4200523761 created "2021-12-31" @default.
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- W4200523761 date "2022-01-01" @default.
- W4200523761 modified "2023-10-17" @default.
- W4200523761 title "Arrowroot derived carbon dots: Green synthesis and application as an efficient optical probe for fluoride ions" @default.
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- W4200523761 doi "https://doi.org/10.1016/j.matpr.2021.11.602" @default.
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