Effect of Pr, Sm, and Tb Doping on the Morphology, Crystallite Size, and N₂O Decomposition Activity of Co₃O₄ Nanorods

Figure 3

FTIR spectra of Co₃O₄ (a) catalyst and its Pr (b), Sm (c), and Tb (d) containing catalysts being prepared by the impregnation method at RE/Co ratio of 0.05 and calcined at 500°C.