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

Figure 2

(a) X-ray diffraction spectra of TiO₂ (, ) and rutile () between 20 to 80°, 0,02°/min. (b) X-ray diffraction spectra between 20 and 32° with the shift of main diffraction peak of TiO₂ anatase and rutile. (c) Raman spectra between 100 and 800 cm⁻¹. Insert: Raman spectra between 350 and 7500 cm⁻¹ of (A) SAM 01, (B) SAM 02, and (C) SAM 03.

(a)

(b)

(c)