Research Article

Visible Light Photocatalytic Properties of Ta and N Codoped SrTiO3 Nanoparticles

Figure 8

X-ray photoemission spectra of SrTi1-xTaxO3-yNy ( ), Ti2p (a), Ta4p (b), and Ta4f (c).
261420.fig.008a
(a)
261420.fig.008b
(b)
261420.fig.008c
(c)