Fig. 2From: N,N-Dimethyl Formamide Regulating Fluorescence of MXene Quantum Dots for the Sensitive Determination of Fe3+a TEM image of the synthesized MQDs with quasi-normal distribution of particle’s size image and the lattice spacing in the high-resolution image (left inset and low right inset); b fluorescence emission spectra of the prepared MQDs; c UV–Vis absorption spectrum; and d FTIR spectrum of MQDsBack to article page