Improve the Properties of p-i-n α-Si:H Thin-Film Solar Cells Using the Diluted Hydrochloric Acid-Etched GZO Thin Films

Figure 4

Surface morphologies of the etched GZO thin films; (a) as deposited, (b) 0.1%, (c) 0.2%, and (d) 0.5%, respectively.

(a)

(b)

(c)

(d)