Research Article

Synthesis of Catalysts and Its Application for Low-Temperature CO Oxidation

Figure 6

XPS of Au 4f spectra of the catalysts after 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).
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