Journal of Chemistry / 2016 / Article / Fig 7

Research Article

Liquid-Phase Ethanol Oxidation and Gas-Phase CO Oxidation Reactions over M Doped (M = Ag, Au, Pd, and Ni) and MM′ Codoped CeO2 Nanoparticles

Figure 7

UV-visible absorption spectra of the ethanol oxidation with no catalyst, undoped CeO2, M doped (M = Ag, Au, Pd, and Ni) and MM′ codoped (Ag/Au (a), Ni/Au (b), Pd/Au (c), and Ni/Pd (d)) CeO2 catalysts at 80°C for 5 days. The left inset in (a) shows the magnified spectra of the grey shadowed region. The right inset in (a) shows the UV-Vis absorption spectra of ethanol oxidation with the 5 mol.% Au doped CeO2 catalyst at 80°C according to the reaction time.
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