Research Article

Green versus Chemical Precipitation Methods of Preparing Zinc Oxide Nanoparticles and Investigation of Antimicrobial Properties

Figure 4

SEM morphology of ZnO NPs prepared by chemical precipitation methods of Zn(NO3)2.6H2O + NaOH (S1), Zn(CH3COO)2.2H2O +PVA (S2), and ZnSO4.7H2O + KOH (S3)