Figure 2: SEM and FESEM images.

(a,b) SEM and (c,d) FESEM images of CoFe2O4/GAs. Nitrogen adsorption/desorption isotherms (e) and pore size distribution (f) of CoFe2O4/GAs.
(a,b) SEM and (c,d) FESEM images of CoFe2O4/GAs. Nitrogen adsorption/desorption isotherms (e) and pore size distribution (f) of CoFe2O4/GAs.