Operando Observation of Oxygenated Intermediates during CO Hydrogenation on Rh Single Crystals | Zendy

David Degerman | Zendy; Mikhail Shipilin | Zendy; Patrick Lömker | Zendy; Christopher M. Goodwin | Zendy; Sabrina M. Gericke | Zendy; Uta Hejral | Zendy; Jörgen Gladh | Zendy; HsinYi Wang | Zendy; Christoph Schlueter | Zendy; Anders Nilsson | Zendy; Peter Amann | Zendy

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Operando Observation of Oxygenated Intermediates during CO Hydrogenation on Rh Single Crystals

Author(s) -

David Degerman,

Mikhail Shipilin,

Patrick Lömker,

Christopher M. Goodwin,

Sabrina M. Gericke,

Uta Hejral,

Jörgen Gladh,

HsinYi Wang,

Christoph Schlueter,

Anders Nilsson,

Peter Amann

Publication year - 2022

Publication title -

journal of the american chemical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 7.115

H-Index - 612

eISSN - 1520-5126

pISSN - 0002-7863

DOI - 10.1021/jacs.2c00300

Subject(s) - chemistry , x ray photoelectron spectroscopy , catalysis , selectivity , molecule , photochemistry , ethanol , spectral line , rhodium , inorganic chemistry , organic chemistry , chemical engineering , physics , astronomy , engineering

The CO hydrogenation reaction over the Rh(111) and (211) surfaces has been investigated operando by X-ray photoelectron spectroscopy at a pressure of 150 mbar. Observations of the resting state of the catalyst give mechanistic insight into the selectivity of Rh for generating ethanol from CO hydrogenation. This study shows that the Rh(111) surface does not dissociate all CO molecules before hydrogenation of the O and C atoms, which allows methoxy and other both oxygenated and hydrogenated species to be visible in the photoelectron spectra.

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