Research Article

Antibacterial Activity of Visible Light-Activated TiO2 Thin Films with Low Level of Fe Doping

Figure 6

Agar plates before photocatalytic reaction (a) 0.1 at% of Fe-doped TiO2 and (b) bare TiO2, and after 3 h of photocatalytic reaction (c) 0.1 at% of Fe-doped TiO2 and (d) bare TiO2.
(a)
(b)
(c)
(d)