Real-Time Elucidation of Catalytic Pathways in CO Hydrogenation on Ru.

Abstract

The direct elucidation of the reaction pathways in heterogeneous catalysis has been challenging due to the short-lived nature of reaction intermediates. Here, we directly measured on ultrafast time scales the initial hydrogenation steps of adsorbed CO on a Ru catalyst surface, which is known as the bottleneck reaction in syngas and CO2 reforming processes. We initiated the hydrogenation of CO with an ultrafast laser temperature jump and probed transient changes in the electronic structure using real-time X-ray spectroscopy. In combination with theoretical simulations, we verified the formation of CHO during CO hydrogenation.

DOI: 10.1021/acs.jpclett.7b01549

Cite this paper

@article{LaRue2017RealTimeEO, title={Real-Time Elucidation of Catalytic Pathways in CO Hydrogenation on Ru.}, author={Jan LaRue and Oldrich Krejci and Lisan Yu and Martin Beye and May Ling Ng and Henrik {\"{O}berg and Haisheng Xin and Giuseppe Mercurio and Stefan M{\"{o}ller and Joshua Turner and Dennis Nordlund and Ryan Coffee and Michael P. Minitti and Wilfried Wurth and L G M Pettersson and Henrik {\"{O}str{\"{o}m and Anders Nilsson and F Abild-Pedersen and H Ogasawara}, journal={The journal of physical chemistry letters}, year={2017}, volume={8 16}, pages={3820-3825} }