Study of the Effect of TiO₂ Layer on the Adsorption and Photocatalytic Activity of TiO₂-MoS₂ Heterostructures under Visible-Infrared Light

Figure 7

XPS spectra of TMTF sample (a) general survey, (b) high resolution of Ti 2p, (c) high resolution of S 2p, and (d) high resolution Mo 3d. The label before and after means before and after photocatalytic experiment.

(a)

(b)

(c)

(d)