For a better fundamental understanding of heterogeneous catalysts, photoelectron spectroscopy is used to study nano-particulate catalysts under reaction conditions. These studies aim to identify the chemical state of the catalyst and/or the adsorbed reactants, intermediates, or products at the interface. Catalyst nanoparticles are usually supported by oxide powders, which pose a major problem, as they charge and induce inhomogeneities, which in turn distort the spectroscopic signal.
Diamond Light Source is the UK's national synchrotron science facility, located at the Harwell Science and Innovation Campus in Oxfordshire.
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