Photocatalytic Properties of Nitrogen-Doped Bi₁₂TiO₂₀ Synthesized by Urea Addition Sol-Gel Method

Figure 5

Photocatalytic decomposition of RhB by undoped and nitrogen-doped Bi₁₂TiO₂₀ photocatalysts: (a) absorption spectra decay of RhB via time; (b) decomposition activity of samples.

(a)

(b)