High-Efficiently Photoelectrochemical Hydrogen Production over Zn-Incorporated TiO₂ Nanotubes

Figure 2

XRD patterns of synthesized Zn-TNP (a) and Zn-TNT (b): (a) TNP, (b) 0.001 mol% Zn-TNP, (c) 0.01 mol% Zn-TNP, (d) 0.1 mol% TNP, (e) TNT,(f) 0.001 mol% Zn-TNT, (g) 0.01 mol% Zn-TNT, and (h) 0.1 mol% Zn-TNT.

(a)

(b)