Research Article

Enhancement of Visible-Light Photocatalytic Activity of Mesoporous Au-TiO2 Nanocomposites by Surface Plasmon Resonance

Figure 4

UV-Vis absorbance spectra of the Au-TiO2 composite powders prepared with different and (inset) high-resolution XPS spectrum of Au 4f of the -0.060 sample.
532843.fig.004