Synthesis of Catalysts and Its Application for Low-Temperature CO Oxidation
Figure 5
XPS of Au 4f spectra of the catalysts before reaction: (a) Au/TiO2, (b) Au/1% -TiO2, (c) Au/3% -TiO2, and (d) Au/5% -TiO2 (Au0 is the dash line, and Au+ is the short-dash line).