Fig. 5: AP-XPS studies of Pt nanoclusters supported on ceria.
From: Dynamic structure of active sites in ceria-supported Pt catalysts for the water gas shift reaction
The valence state change of a Pt and b Ce under WGS conditions when the temperature drops from 300 °C (high temperature (HT)) to RT (low temperature (LT)). The standard deviation errors obtained from fitting peak areas are also shown. The corresponding Pt 4 f and Ce 3d region XPS experimental and fitting spectra are shown in Supplementary Fig. 7.
