Fig. 3

FESEM images of (a) Co3O4 (500 nm), (b) CdAl2O4 (500 nm), (c) Co3O4/CdAl2O4 nanocomposite and (d) TEM image of the synthesized Co3O4/CdAl2O4 nanocomposite.
FESEM images of (a) Co3O4 (500 nm), (b) CdAl2O4 (500 nm), (c) Co3O4/CdAl2O4 nanocomposite and (d) TEM image of the synthesized Co3O4/CdAl2O4 nanocomposite.