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Fig. 5 | Nanoscale Research Letters

Fig. 5

From: N,N-Dimethyl Formamide Regulating Fluorescence of MXene Quantum Dots for the Sensitive Determination of Fe3+

Fig. 5

a Schematic diagram for the fluorescence quenching mechanism of MQDs by ferric ions; b the picture for the MQDs solutions with the addition of different metal ions (0.8 mM) under the visible and ultraviolet light; c the fluorescent curves of MQDs solution with the different metal ions (0.8 mM); and d the fluorescent intensity change of MQDs toward different metal ions collected from the curves in (c)

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