Figure 5

SEM images of (a) blank cotton (quoted from our previous work (ref. 3)) (b) ZnO/cotton (c) ZnO-Ag/cotton (d) ZnO/starched cotton.

SEM images of (a) blank cotton (quoted from our previous work (ref. 3)) (b) ZnO/cotton (c) ZnO-Ag/cotton (d) ZnO/starched cotton.