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 2

Power X-ray diffraction patterns of undoped CeO2 and Au and Ag doped and codoped (0/5, 4/1, 2.5/2.5, 1/4, and 5/0 mol.%, resp.) CeO2 catalysts. The red and green filled circles are of cubic CeO2 and Au phases, respectively.