Synthesis of Catalysts and Its Application for Low-Temperature CO Oxidation
Figure 9
XPS of O 1s spectra of the catalysts before reaction: (a) 1% -TiO2, (b) 5% -TiO2, (c) Au/TiO2, (d) Au/1% -TiO2, (e) Au/3% -TiO2, and (f) Au/5% -TiO2 (O2− is the blue dash line and OH− is the red dash line).