Effect of Aging Time and Film Thickness on the Photoelectrochemical Properties of TiO₂ Sol-Gel Photoanodes

Figure 5

IPCE of the different types of sol-gel photoelectrodes investigated within this study: (a) SG/1 layer/0 h, (b) SG/1 layer/3 h, (c) SG/1 layer/6 h, (d) SG/2 layers/6 h, and(e) SG/3 layers/6 h.

(a)

(b)

(c)

(d)

(e)