Skip to main content

Table 3 Results of curve fittings on Ce 3d XP spectra of all samples

From: CO and Soot Oxidation over Ce-Zr-Pr Oxide Catalysts

Ce 3d 5/2
Sample v 0 (Ce4+) v 1 (Ce3+) v 2 (Ce4+) v 3 (Ce4+)
BE (eV) %-atom BE (eV) %-atom BE (eV) %-atom BE (eV) %-atom
Ce100 882.6 22.6 885.3 10.1 889.0 15.0 898.5 20.2
Ce80Zr20 882.3 21.1 885.0 8.94 888.6 16.0 898.3 20.4
Ce80Pr20 882.1 10.6 883.1 17.1 888.6 17.7 898.1 22.7
Ce80Zr10Pr10 882.1 14.7 883.8 17.0 888.7 12.9 898.0 22.2
Ce 3d 3/2
Sample u 0 (Ce4+) u 1 (Ce3+) u 2 (Ce4+) u 3 (Ce4+)
BE (eV) %-atom BE (eV) %-atom BE (eV) %-atom BE (eV) %-atom
Ce100 901.1 7.73 902.7 7.39 907.7 3.87 916.9 13.1
Ce80Zr20 900.8 7.88 902.7 7.54 907.4 5.66 916.6 12.5
Ce80Pr20 900.7 6.50 901.7 4.01 907.3 5.63 916.4 15.7
Ce80Zr10Pr10 900.6 8.33 901.9 4.02 907.2 5.63 916.4 15.2