412165.fig.008a
(a)
412165.fig.008b
(b)
Figure 8: Pt 4f (a) and O 1s (b) XPS core level spectra of the Pt catalyst on the mixed Nb2O5,TiO2/C support at room temperature, after annealing under UHV conditions at 360°C and after reduction at 360°C under 20% H2 in N2 flow.