Electrocatalytic Activity for CO, MeOH, and EtOH Oxidation on the Surface of Pt-Ru Nanoparticles Supported by Metal Oxide

Figure 4

X-ray photoelectron spectroscopy (XPS) spectra of the PS/Nb-TiO₂ (a) and Pt-Ru@Nb-TiO₂-H (b) prepared by Method 1 in Scheme 1.

(a)

(b)