Fig. 2

FE-SEM images (a,b,c,d) of the original bulk material Ti3AlC2, the as-obtained layered Ti3C2 MXene, Ti3C2 MXene (DMSO), and Ti3C2 MXene QDs; FE-SEM-EDX elemental mapping images (e, f) of the pristine Ti3C2 MXene QDs sheets.

FE-SEM images (a,b,c,d) of the original bulk material Ti3AlC2, the as-obtained layered Ti3C2 MXene, Ti3C2 MXene (DMSO), and Ti3C2 MXene QDs; FE-SEM-EDX elemental mapping images (e, f) of the pristine Ti3C2 MXene QDs sheets.