Research Article

Fabrication of Ni-Doped PbTiO3-Coated TiO2 Nanorod Arrays for Improved Photoelectrochemical Performance

Figure 2

SEM images for (a) surface and (b) cross-section morphologies of TiO2 nanorod arrays; (c) surface and (d) cross-section morphologies of PTO/TiO2 films; (e) surface and (f) cross-section morphologies of PTN6/TiO2 films; (g) surface and (h) cross-section morphologies of PTN15/TiO2 films.
(a)
(b)
(c)
(d)
(e)
(f)
(g)
(h)