Selective CO oxidation over CuO-CeO2 catalysts doped with transition metal oxides

►Catalytic activity at LT depends on lattice oxygen and CO desorption. ►Doping of ZnO improves Cu+ species and the catalytic activity. ►Addition of ZnO increases the amounts of CO adsorption and lattice oxygen. ►Fe2O3 or MnO2 deteriorate the catalytic properties.