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

Table 1

Elemental chemical composition, determined by EDS, of the thin films as a function of the theoretical Bi₂O₃ (wt. %).

Chemical composition (at. %)
Bi2O3 (wt. %)	EDS
	Ti	O	Bi
0	33.3	66.7	0
5	32.9	66.6	0.5
30	29.3	65.8	4.9
50	24.7	64.9	10.4
70	15.4	63.1	21.5
80	12.1	62.5	25.4