Green Synthesis Methods of CoFe₂O₄ and Ag-CoFe₂O₄ Nanoparticles Using Hibiscus Extracts and Their Antimicrobial Potential

Figure 1

X-ray diffraction of the cobalt ferrites obtained by (a) self-combustion using hibiscus flower extract and (b) wet ferritization using hibiscus leaf extract.

(a)

(b)