Research Article

Synthesis and Characterization of Mn–C–Codoped Nanoparticles and Photocatalytic Degradation of Methyl Orange Dye under Sunlight Irradiation

Figure 7

XPS spectra of codoped TiO2 nanotube arrays. (a) A spectrum of Mn 2p; (b) a spectrum of C 1s.
767905.fig.007a
(a)
767905.fig.007b
(b)