Hydrothermal Preparation of Visible-Light-Driven N-Br-Codoped TiO₂ Photocatalysts

Figure 5

(a) N 1s core-level spectrum (deconvolution of N 1s bands) of TDN. (b) N 1s core-level spectrum (deconvolution of N 1s bands) of TNB.

(a)

(b)