Research Article

Fe-Doped TiO2 Nanoparticles Produced via MOCVD: Synthesis, Characterization, and Photocatalytic Activity

Figure 2

XPS spectra of the synthesized undoped and TiO2 nanoparticle samples.
571601.fig.002a
(a) Undoped TiO2
571601.fig.002b
(b) Fe-doped TiO2 nanoparticles