Figure 2

(A,B) XRD pattern indicating presence of ZnO peaks. (A) Cassia fistula mediated ZnO NPs. (B) Melia azadarach mediated ZnO NPs. (C,D) FTIR pattern indicating the functional groups involved in ZnO NPs synthesis. (C) Cassia fistula mediated ZnO NPs. (D) Melia azadarach mediated ZnO NPs.