Research Article

Photocatalytic Activity under Simulated Sunlight of Bi-Modified TiO2 Thin Films Obtained by Sol Gel

Figure 3

X-ray patterns of the TiO2 thin films modified with several bismuth contents (a) 0, (b) 0.5, (c) 4.9, (d) 10.4, (e) 21.5, and (f) 25.4 at. %.