Figure 4.

XANES spectra recorded at the Au LIII edge of Au/CeO2 catalysts before (fresh) and after different pretreatments. In black: data from metallic Au (Au foil) and Au2O3 references. Inset: corresponding white line intensities.

XANES spectra recorded at the Au LIII edge of Au/CeO2 catalysts before (fresh) and after different pretreatments. In black: data from metallic Au (Au foil) and Au2O3 references. Inset: corresponding white line intensities.