Research Article

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

Table 3

Kinetic rate constant (kapp) for photocatalytic formulations as a function of bismuth content, determined using a least square data treatment [20].

Bismuth content
(at. %)
kapp (min−1)

Uncatalyzed0.0029 ± 0.00006
00.0038 ± 0.00009
0.50.0038 ± 0.00009
4.90.0048 ± 0.00007
10.40.0038 ± 0.00008
21.50.0063 ± 0.00009
25.40.0036 ± 0.00006