Light-Driven Preparation, Microstructure, and Visible-Light Photocatalytic Property of Porous Carbon-Doped TiO₂

Figure 5

High-resolution XPS spectra of C1s for (a) C-TiO₂(UV) and (b) C-TiO₂(200); high-resolution XPS spectra of (c) Ti2p and (d) O1s for C-TiO₂(UV), C-TiO₂(200), and TiO₂(500).

(a)

(b)

(c)

(d)