Evidence for the surface-catalyzed suzuki-miyaura reaction over palladium nanoparticles

an operando XAS study

Peter J. Ellis, Ian J.S. Fairlamb, Simon F.J. Hackett, Karen Wilson, Adam F. Lee

Research output: Contribution to journalArticle

Abstract

No need to get away: X-ray absorption spectroscopy of catalytically active palladium nanopartlcles during a SuzukiMlyaura cross-coupling reaction revealed that the nanopartlcles were stable under the reaction conditions, and that cross-coupling Involved the direct participation of surface palladium defect sites In the catalytic cycle (see picture). Selective chemical and structural poisons provided further evidence for a heterogeneous active site.
Original languageEnglish
Pages (from-to)1820-1824
Number of pages5
JournalAngewandte Chemie
Volume49
Issue number10
Early online date2 Feb 2010
DOIs
Publication statusPublished - 1 Mar 2010

Fingerprint

Palladium
Nanoparticles
X ray absorption spectroscopy
Poisons
Defects

Bibliographical note

We thank the EPSRC (EP/E046754/1, EP/G007594/1), the ESRF (award CH2432), AstraZeneca, and the Royal Society for supporting this research, and Dr. S. Nikitenko for assistance on beamline BM26. XAS=X-ray absorption spectroscopy.

Keywords

  • C-C coupling
  • EXAFS spectroscopy
  • heterogeneous catalysis
  • palladium
  • surface analysis

Cite this

Ellis, Peter J. ; Fairlamb, Ian J.S. ; Hackett, Simon F.J. ; Wilson, Karen ; Lee, Adam F. / Evidence for the surface-catalyzed suzuki-miyaura reaction over palladium nanoparticles : an operando XAS study. In: Angewandte Chemie. 2010 ; Vol. 49, No. 10. pp. 1820-1824.
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Evidence for the surface-catalyzed suzuki-miyaura reaction over palladium nanoparticles : an operando XAS study. / Ellis, Peter J.; Fairlamb, Ian J.S.; Hackett, Simon F.J.; Wilson, Karen; Lee, Adam F.

In: Angewandte Chemie, Vol. 49, No. 10, 01.03.2010, p. 1820-1824.

Research output: Contribution to journalArticle

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