Antibacterial Shoe Insole-Coated CuO-ZnO Nanocomposite Synthesized by the Sol-Gel Technique

Figure 9

SEM images and EDS mappings of the shoe insole-coated CuO-ZnO nanocomposite: (a) the control sample (the fresh shoe insoles), (b) CuZn/S-1, (c) CuZn/S-2, and (d) CuZn/S-3.

(a)

(b)

(c)

(d)