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

Figure 8

SEM surface morphologies of ZnO thin film annealing under different dwelling time: (a) 15 min, (b) 30 min, (c) 45 min, and (d) 60 min.

(a)

(b)

(c)

(d)