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

Degerman, David ; Shipilin, Mikhail LU ; Lömker, Patrick ; Goodwin, Christopher M. ; Gericke, Sabrina M. LU ; Hejral, Uta LU ; Gladh, Jörgen ; Wang, Hsin Yi ; Schlueter, Christoph and Nilsson, Anders , et al. (2022) In Journal of the American Chemical Society 144(16). p.7038-7042
Abstract

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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organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Journal of the American Chemical Society
volume
144
issue
16
pages
5 pages
publisher
The American Chemical Society (ACS)
external identifiers
  • scopus:85128527817
  • pmid:35394273
ISSN
0002-7863
DOI
10.1021/jacs.2c00300
language
English
LU publication?
yes
id
15bc35f7-3ddc-41a5-b18e-b8281b749128
date added to LUP
2022-07-05 14:57:45
date last changed
2024-06-25 20:42:03
@article{15bc35f7-3ddc-41a5-b18e-b8281b749128,
  abstract     = {{<p>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.</p>}},
  author       = {{Degerman, David and Shipilin, Mikhail and Lömker, Patrick and Goodwin, Christopher M. and Gericke, Sabrina M. and Hejral, Uta and Gladh, Jörgen and Wang, Hsin Yi and Schlueter, Christoph and Nilsson, Anders and Amann, Peter}},
  issn         = {{0002-7863}},
  language     = {{eng}},
  month        = {{04}},
  number       = {{16}},
  pages        = {{7038--7042}},
  publisher    = {{The American Chemical Society (ACS)}},
  series       = {{Journal of the American Chemical Society}},
  title        = {{Operando Observation of Oxygenated Intermediates during CO Hydrogenation on Rh Single Crystals}},
  url          = {{http://dx.doi.org/10.1021/jacs.2c00300}},
  doi          = {{10.1021/jacs.2c00300}},
  volume       = {{144}},
  year         = {{2022}},
}