Influence of pH, Precursor Concentration, Growth Time, and Temperature on the Morphology of ZnO Nanostructures Grown by the Hydrothermal Method
Figure 4
SEM images of ZnO NSs on Si substrate with different precursor concentrations of the growth aqueous solution (a) at 25 mM; (b) 50 mM; (c) 100 mM; (d) 300 mM. Inset shows the magnified view of the ZnO NSs (scale bar = 100 nm).