Synthesis of Copper Oxide Nanoparticles Using Plant Leaf Extract of Catha edulis and Its Antibacterial Activity

Figure 3

SEM images of CuO NPs synthesized using copper (II) nitrate trihydrate and Catha edulis leaf extract in different ratios (w/v) (a) 1 : 10, (b) 3 : 10, and (c) 1 : 2.

(a)

(b)

(c)