Fig. 6From: Enhancement of Photo-Oxidation Activities Depending on Structural Distortion of Fe-Doped TiO2 Nanoparticles a Valence band spectra and b the Fermi-edge obtained at 0, 1, 3, and 5 wt.% of Fe-doped TiO2 nanoparticles (marked) from the photon energy of 80 eVBack to article page