Texture-Etched SnO₂ Glasses Applied to Silicon Thin-Film Solar Cells

Figure 5

FE-SEM images of SnO₂ etched in the etchant A at 90°C for (a) 0, (b) 30, (c) 120, and (d) 300 sec.

(a)

(b)

(c)

(d)