Increase of the Photocatalytic Activity of TiO_𝟐 by Carbon and Iron Modifications

Figure 2

(A) Photomineralisation of 4-chlorophenol with artificial visible light (λ = 455 nm; TOC₀ and TOC_t = total organic carbon content at times 0 and t); (B) diffuse indoor daylight degradation of 4-chlorophenol and remazol red on pure and modified TiO₂; (a) TiO₂, (b) TiO₂-2.98%C, (c) TiO₂-0.42%C, (d) TiO₂-0.03%C.

(a)

(b)