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  • Östrom, HenrikStockholms universitet,Fysikum (author)

Probing the transition state region in catalytic CO oxidation on Ru

  • Article/chapterEnglish2015

Publisher, publication year, extent ...

  • American Association for the Advancement of Science (AAAS),2015
  • printrdacarrier

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  • LIBRIS-ID:oai:DiVA.org:su-115673
  • https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-115673URI
  • https://doi.org/10.1126/science.1261747DOI

Supplementary language notes

  • Language:English
  • Summary in:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • AuthorCount:30;
  • Femtosecond x-ray laser pulses are used to probe the carbon monoxide (CO) oxidation reaction on ruthenium (Ru) initiated by an optical laser pulse. On a time scale of a few hundred femtoseconds, the optical laser pulse excites motions of CO and oxygen (O) on the surface, allowing the reactants to collide, and, with a transient close to a picosecond (ps), new electronic states appear in the OK-edge x-ray absorption spectrum. Density functional theory calculations indicate that these result from changes in the adsorption site and bond formation between CO and O with a distribution of OC-O bond lengths close to the transition state (TS). After 1 ps, 10% of the CO populate the TS region, which is consistent with predictions based on a quantum oscillator model.

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  • Öberg, HenrikStockholms universitet,Fysikum(Swepub:su)henrikob (author)
  • Xin, H. (author)
  • Larue, J. (author)
  • Beye, M. (author)
  • Dell'Angela, M. (author)
  • Gladh, JörgenStockholms universitet,Fysikum(Swepub:su)gladh (author)
  • Ng, M. L. (author)
  • Sellberg, Jonas A.Stockholms universitet,Fysikum,SLAC National Accelerator Laboratory, USA(Swepub:su)jose4950 (author)
  • Kaya, S. (author)
  • Mercurio, G. (author)
  • Nordlund, D. (author)
  • Hantschmann, M. (author)
  • Hieke, F. (author)
  • Kuehn, D. (author)
  • Schlotter, W. F. (author)
  • Dakovski, G. L. (author)
  • Turner, J. J. (author)
  • Minitti, M. P. (author)
  • Mitra, A. (author)
  • Moeller, S. P. (author)
  • Foehlisch, A. (author)
  • Wolf, M. (author)
  • Wurth, W. (author)
  • Persson, M. (author)
  • Norskov, J. K. (author)
  • Abild-Pedersen, F. (author)
  • Ogasawara, H. (author)
  • Pettersson, Lars G. M.Stockholms universitet,Fysikum(Swepub:su)lgm (author)
  • Nilsson, AndersStockholms universitet,Fysikum,SLAC National Accelerator Laboratory, USA(Swepub:su)andersn (author)
  • Stockholms universitetFysikum (creator_code:org_t)

Related titles

  • In:Science: American Association for the Advancement of Science (AAAS)347:6225, s. 978-9820036-80751095-9203

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