fig2
Figure 2. (A) Preparation scheme of Au QDs@MXene heterostructure. (B) TEM and (C and D) HRTEM images of Au QDs@MXene heterostructure. The inset is the selected area electron diffraction (SAED) pattern. (E) Grain size distribution of Au QDs. (F) XRD patterns of MXene and Au QDs@MXene heterostructure. (G) Cross-section SEM image of Au QDs@MXene-decorated separator.
