Effect of Annealing Temperature on CuInSe₂/ZnS Thin-Film Solar Cells Fabricated by Using Electron Beam Evaporation

Figure 3

FESEM images of CIS samples prepared at temperature (a) room temperature, (b) 250°C, (c) 300°C, and (d) 350°C.

(a)

(b)

(c)

(d)