The Effect of Thermal Annealing Processes on Structural and Photoluminescence of Zinc Oxide Thin Film

Figure 5

SEM cross section morphologies of ZnO thin film annealing under different temperatures: (a) 300°C, (b) 400°C, (c) 500°C, and (d) 600°C.

(a)

(b)

(c)

(d)