Topics in Catalysis

, Volume 56, Issue 13–14, pp 1253–1261 | Cite as

Hydrogenation Processes at the Surface of Ruthenium Nanoparticles: A NMR Study

  • I. Favier
  • P. Lavedan
  • S. Massou
  • E. Teuma
  • K. Philippot
  • B. Chaudret
  • M. GómezEmail author
Original Paper


The reactivity of ruthenium nanoparticles stabilized by 4-(3-phenylpropyl)pyridine in hydrogen transfer and hydrogenation processes was monitored by NMR spectroscopy. Unsaturated substrates such as styrene, 4-vinylpyridine and 4-phenyl-but-3-en-2-one were used as model molecules to investigate the surface properties of nanoparticles by a combination of NMR studies. Interestingly, the hydrides present at the metallic surface after nanoparticles synthesis are selectively transferred to vinylic groups without reducing the aromatic rings, under dihydrogen-free atmosphere. DOSY and NOE NMR experiments permitted to propose a way of interaction of the organic compounds at the metallic surface. In particular, the coordination of the substrate could be evidenced for 4-vinylpyridine and 4-ethylpyridine but not for styrene derivatives.

Graphical Abstract

Curved double arrows represent magnetization exchanges. Straight arrows represent adsorption/desorption phenomena.


Ruthenium Nanoparticles Surface reactivity DOSY NMR NOE effects Hydrogen transfer Hydrogenation Arenes 



This work was financially supported by the Centre National de la Recherche Scientifique (CNRS), the Université Paul Sabatier and the Institut de Chimie de Toulouse. I.F. and P.L. are grateful to the Université Paul Sabatier for a funded project (AO1 2012).

Supplementary material

11244_2013_92_MOESM1_ESM.doc (968 kb)
Supplementary material 1 (DOC 968 kb)


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Copyright information

© Springer Science+Business Media New York 2013

Authors and Affiliations

  • I. Favier
    • 1
  • P. Lavedan
    • 2
  • S. Massou
    • 3
  • E. Teuma
    • 1
  • K. Philippot
    • 4
    • 5
  • B. Chaudret
    • 6
  • M. Gómez
    • 1
    Email author
  1. 1.Laboratoire Hétérochimie Fondamentale et Appliquée, UMR CNRS 5069Université Paul SabatierToulouse Cedex 9France
  2. 2.Service Commun RMN, ICTUniversité Paul SabatierToulouse Cedex 9France
  3. 3.Laboratoire d’Ingénierie des Systèmes—Bioprocédés, UMR 5504 INSA, CNRS, UMR 792 INSA, INRAToulouse Cedex 04France
  4. 4.LCC (Laboratoire de Chimie de Coordination), CNRSToulouseFrance
  5. 5.LCC, INPT, UPS, Université de ToulouseToulouseFrance
  6. 6.Laboratoire de Physique Et Chimie de Nano-Objets (LPCNO)ToulouseFrance

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