Sample

Pd3d5/2

Pd3d3/2

Pt4f7/2

Pt4f5/2

Surface ratio (Pd/Pt)

(CH)

 

(MW)

 

(US)

335.1(Pd0)

337.9(Pd2+)

334.0(Pd0)

336.9(Pd2+)

335.1(Pd0)

336.2(Pd2+ )

341.4(Pd0)

342.9(Pd2+ )

340.3(Pd0)

342.8(Pd2+)

340.5(Pd0)

342.9(Pd2+)

70.9(Pt0)

73.1(Pt2+)

70.9(Pt0)

73.4(Pt2+)

70.7(Pt0)

73.1(Pt2+)

70.9(Pt0)

73.1(Pt2+)

74.4(Pt0)

76.5(Pt2+)

74.1(Pt0)

76.4(Pt2+)

2.7

 

2.5

 

1.2
Table 3: Binding energy and raw area for each material detected with XPS.