X-ray Absorption Spectroscopy: Catalyst Characterization

This lecture covers the principles and applications of X-ray absorption spectroscopy (XAS) in the field of catalyst characterization. It explains how synchrotron radiation is used to obtain detailed information about the electronic and structural properties of catalyst materials. The lecture delves into topics such as X-ray absorption near-edge structure (XANES) and extended X-ray absorption fine structure (EXAFS), highlighting their significance in determining oxidation states, coordination environments, and local structures of catalysts. Various examples are provided to illustrate the use of XAS in studying catalysts under different conditions, such as in situ experiments and hydrothermal aging. The lecture emphasizes the importance of careful experimental planning when utilizing synchrotron facilities for XAS studies.