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

Table 1

Particles sizes of the metal-loaded CeO₂ estimated using Scherrer’s equation.

Loaded M/M′	5/0 mol.% (nm)	4/1 mol.% (nm)	2.5/2.5 mol.% (nm)	1/4 mol.% (nm)	0/5 mol.% (nm)
Ag : Au	14.0	12.4	8.0	10.0	8.6
Ni : Au	15.2	12.3	10.6	8.2	8.6
Pd : Au	15.1	12.7	12.1	9.0	8.6
Ni : Pd	15.2	11.1	14.7	12.1	15.1