Research Article

Influence of OH Ion Concentration on the Surface Morphology of ZnO-SiO2 Nanostructure

Figure 6

Micrograph of ZnO-SiO2 using 3.0 M NH4OH showing flower-like ZnO-SiO2 nanostructures having shorter rods and more pronounced hemispherical tips. At (a) 10,000x magnification and (b) 13,000x magnification. Encircled are the flake-like structures.
(a)
(b)