Figure 4

(a, b) FE-SEM images of ZnFe₂O₄ MNPs, (c, d) magnetic hybrid based 1,2-phenylenediamine, (e) size distribution of magnetic hybrid based 1,2-phenylenediamine, (f) size distribution of ZnFe₂O₄ MNPs (g) TEM images of magnetic hybrid based 1,2-phenylenediamine.