H₂O₂ Treatment of Electrochemically Deposited Cu₂O Thin Films for Enhancing Optical Absorption

Figure 1

(a) SEM images of the as-deposited film. (b) SEM images of the film treated at room temperature for 7 hours. (c) and (d) SEM images of the film treated at room temperature for 24 hours (with different magnifications).

(a)

(b)

(c)

(d)