Liquid-Phase Ethanol Oxidation and Gas-Phase CO Oxidation Reactions over M Doped (M = Ag, Au, Pd, and Ni) and MM′ Codoped CeO2 Nanoparticles
UV-Vis absorption spectra (a) of standard samples of acetaldehyde (1%), acetone (1%), acetic acid (0.1%), and ethyl acetate (0.1%). Mass spectra (b) of reference samples (ethyl acetate and ethanol) and the solution sample after reaction. The inset shows the UV-Vis absorption spectrum of the corresponding sample solution. Blue and red indicate the peak positions for acetaldehyde and ethyl acetate, respectively.
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