Influence of Annealing on Properties of Spray Deposited ZnO Thin Films

Figure 2

FESEM images of ZnO thin film deposited on Si substrate (a) unannealed, (b) annealed at 300°C, (c) annealed at 400°C, and (d) annealed at 500°C.

(a)

(b)

(c)

(d)