Figure 1

XRD pattern and SEM images of a sample. (a) XRD pattern of NiCo2S4 nanosheet films and representative SEM images of (b) large-scale and uniform growth, (c) cross section, and (d) sheet-like and porous character.
XRD pattern and SEM images of a sample. (a) XRD pattern of NiCo2S4 nanosheet films and representative SEM images of (b) large-scale and uniform growth, (c) cross section, and (d) sheet-like and porous character.