Fabrication and Photocatalytic Property of One-Dimensional SrTiO₃/TiO_2−𝑥N_𝑥 Nanostructures

Figure 2

TEM images of the uncalcined ((a): 1%; (b): 2%; (c): 5%) and calcined ((d): 1%; (e): 2%; (f): 5%) samples with different Sr/Ti ratios.

(a)

(b)

(c)

(d)

(e)

(f)