the binding energies (BEs) and atomic ratios of the catalysts, as determined by XPS are presented in table 2.
Typical BEs for montmorillonite are 111111.
The addition of Pd, followed by Ce, did not result in significant changes to the BEs of the principal element in the support.
The XPS results also show that all the catalysts, with the same Pd loading but different cerium loading, have the same surface atomic Pd/Si ratio.
Pd-Ce interaction contributes, as it has been previously reported, to either palladium redispersion or maintenance of a highly dispersed state.
the binding energies (BEs) and atomic ratios of the catalysts, as determined by XPS are presented in table 2. Typical BEs for montmorillonite are 111111.The addition of Pd, followed by Ce, did not result in significant changes to the BEs of the principal element in the support.The XPS results also show that all the catalysts, with the same Pd loading but different cerium loading, have the same surface atomic Pd/Si ratio.Pd-Ce interaction contributes, as it has been previously reported, to either palladium redispersion or maintenance of a highly dispersed state.
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