Comparing Thermal Durability and Effects of Annealing Temperature on Characteristics of Hydrogen-Doped ZnO, AZO, and GZO Thin Films

Figure 4

SEM micrographs of (a1–a3) ZnO-H, (b1–b3) AZO-H, and (c1–c3) GZO-H films prepared at different annealing temperatures.