Moving across Pt catalysts with different size combining computations with cutting-edge X-ray spectroscopies

Pt-based heterogeneous catalysts are widely used materials for key reactions in industry like selective hydrogenations. Because of their complexity, synchrotron techniques are often used to study the active metal phase. Recent development in computational chemistry allowed for the calculation of XAS and XES spectra that can describe and possibly predict key structural and functional properties. In this context, the present study aims at acquiring top-level HERFD-XAS and resonant XES data on several Pt-based materials and create a solid experimental/simulated benchmark for spectroscopic properties involving them. A particular emphasis will be put on the size-dependency of these properties by studying a range of materials from bulk Pt to single-atom catalysts.