Blue to Yellow Photoluminescence Emission and Photocatalytic Activity of Nitrogen Doping in TiO₂ Powders

Figure 6

Photodegradation profiles of the Rhod-B solution, using TiO₂ nanoparticles with UVC light (a), column graphic of k values under UVC illumination for Rhod-B (b), and Rhodamine-B molecular structure (c).

(a)

(b)

(c)