Solvothermal Synthesis and Photocatalytic Properties of Nitrogen-Doped SrTiO₃ Nanoparticles

Figure 5

XPS spectra of N-doped SrTiO₃ synthesized by solvothermal method with 2 gram of HMT, calcined at 200^∘C in air: (a) global spectrum; (b) Ti2p; (c) O1s; (d) N1s, Ar⁺ sputtering was carried out at 3 kV for 3 minutes.

(a)

(b)

(c)

(d)