Combining X-ray Diffraction and X-ray Absorption Spectroscopy to Unveil Zn Local Environment in Zn-Doped ZrO2 Catalysts

K-space EXAFS spectra; additional PXRD results; EXAFS fitting for reference t-ZrO2; fwhm analysis of first derivative of the Zr K-edge XANES main edge; EXAFS fitting for reference h-ZnO; test Zr K-edge EXAFS fitting of ZrZn-5 using a c-ZrO2 model; additional details on input structures employed in Zn K-edge EXAFS fitting; additional details on cluster size evaluation; additional details on in situ XAS data during activation in H2 and related EXAFS analysis using the Einstein model; in situ XAS data under reaction conditions (CO2/H2, 300 °C, 15 bar)