Journal
REPORTS ON PROGRESS IN PHYSICS
Volume 82, Issue 9, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1361-6633/ab320e
Keywords
energy exchange at surfaces; molecular beam scattering; surface reaction kinetics; surface science; nonadiabatic dynamics
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Funding
- Deutsche Forschungsgesellschaft (DFG, German Research Foundation) [389479699/GRK2455]
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The dream of theoretical surface chemistry is to predict the outcome of reactions in order to find the ideal catalyst for a certain application. Having a working ab initio theory in hand would not only enable these predictions but also provide insights into the mechanisms of surface reactions. The development of theoretical models can be assisted by experimental studies providing benchmark data. Though for some reactions a quantitative agreement between experimental observations and theoretical calculations has been achieved, theoretical surface chemistry is in general still far away from gaining predictive power. Here we review recent experimental developments towards the understanding of surface reactions. It is demonstrated how quantum-state resolved scattering experiments on reactive and nonreactive systems can be used to test front-running theoretical approaches. Two challenges for describing dynamics at surfaces are addressed: nonadiabaticity in diatomic molecule surface scattering and the increasing system size when observing and describing the dynamics of polyatomic molecules at surfaces. Finally recent experimental studies on reactive systems are presented. It is shown how elementary steps in a complex surface reaction can be revealed experimentally.
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