Journal of Nanomaterials / 2017 / Article / Tab 3

Research Article

Lanthanum-Based Perovskite-Type Oxides La1−xCexBO3 (B = Mn and Co) as Catalysts: Synthesis and Characterization

Table 3

XPS peak positions and atomic percentages of and perovskites obtained from the fitting of La 3d, Co 3p, Mn 3p, Ce 3d, and O1s XPS spectra.

LaCoO3La0.8Ce0.2CoO3La0.6Ce0.4CoO3LaMnO3La0.8Ce0.2MnO3

La 3d (eV)834.3834.7834.3834.7834.4
850.9851.8851.1851.7851.1
Co 3p/Mn 3p (eV)779.9780.2779.9641.8641.8
795.2795.8795.5653.1653.2
O 1s (eV)528.5528.8528.7528.8528.9
531.4531.6531.5531.4531.5
Ce1 (at. %)4.84 (3.9)7.11 (3.6)6.4 (10.1)
O (at. %)75.173.673.477.474.9
La (at. %)15.713.211.217.214.2

value in parenthesis is a peak percentage (%) of the Ce3+ ion.

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