Figure 3
From: Hollow PdAg-CeO2 heterodimer nanocrystals as highly structured heterogeneous catalysts

XPS spectra of the as-synthesized Ag, Ag-CeO2, hollow PdAg and hollow PdAg-CeO2 NCs: (a) Ag 3d, (b) Pd 3d, (c) Ce 3d.
From: Hollow PdAg-CeO2 heterodimer nanocrystals as highly structured heterogeneous catalysts

XPS spectra of the as-synthesized Ag, Ag-CeO2, hollow PdAg and hollow PdAg-CeO2 NCs: (a) Ag 3d, (b) Pd 3d, (c) Ce 3d.