Cover Picture

Cover Picture: Synthesis of Platinum–Ruthenium Nanoparticles under Supercritical CO2 and their Confinement in Carbon Nanotubes: Hydrogenation Applications (ChemCatChem 1/2012)

  1. Dr. Eva Castillejos1,
  2. Dr. Mohamad Jahjah2,3,
  3. Dr. Isabelle Favier2,3,
  4. Dr. Arantxa Orejón4,†,
  5. Christian Pradel2,3,
  6. Dr. Emmanuelle Teuma2,3,
  7. Dr. Anna M. Masdeu-Bultó4,
  8. Prof. Philippe Serp1,*,
  9. Prof. Montserrat Gómez2,3,*

Article first published online: 27 DEC 2011

DOI: 10.1002/cctc.201190054

Issue

ChemCatChem

ChemCatChem

Volume 4, Issue 1, page 1, January 2, 2012

Additional Information

How to Cite

Castillejos, E., Jahjah, M., Favier, I., Orejón, A., Pradel, C., Teuma, E., Masdeu-Bultó, A. M., Serp, P. and Gómez, M. (2012), Cover Picture: Synthesis of Platinum–Ruthenium Nanoparticles under Supercritical CO2 and their Confinement in Carbon Nanotubes: Hydrogenation Applications (ChemCatChem 1/2012). ChemCatChem, 4: 1. doi: 10.1002/cctc.201190054

Author Information

  1. 1

    Université de Toulouse, UPS, INP, LCC, LCC, UPR 8241, composante ENSIACET, 4, Allée Emile Monso, BP 44362, 31030 Toulouse Cedex 4 (France), Fax: (+33) 534323596

  2. 2

    Université de Toulouse, UPS, LHFA, 118 route de Narbonne, F-31062 Toulouse Cedex 9 (France)

  3. 3

    CNRS, LHFA UMR 5069, F-31062 Toulouse Cedex 9 (France), Fax: (+33) 561558204

  4. 4

    Departament de Química Física i Inorgànica, Universitat Rovira i Virgili, Marcel.lí Domingo s/n, 43007 Tarragona (Spain)

  1. †

    Deceased, January 10, 2011.

*Université de Toulouse, UPS, INP, LCC, LCC, UPR 8241, composante ENSIACET, 4, Allée Emile Monso, BP 44362, 31030 Toulouse Cedex 4 (France), Fax: (+33) 534323596

  1. †

    Deceased, January 10, 2011.

Publication History

  1. Issue published online: 27 DEC 2011
  2. Article first published online: 27 DEC 2011

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Keywords:

  • nanoparticles;
  • hydrogenation;
  • nanotubes;
  • platinum;
  • ruthenium;
  • supercritical carbon dioxide
Thumbnail image of graphical abstract

Selective Oxidation In their contribution on page 118 ff., Gómez, Serp, and co-workers describe efficient catalysts for the selective hydrogenation of cinnamaldehyde to cinnamyl alcohol, the chemical responsible for the hyacinth's scent. Bimetallic platinum/ruthenium nanoparticles stabilized by simple ligands were prepared in both THF and supercritical carbon dioxide, giving more dispersed particles than those prepared in the organic solvent. Their confinement in multi-walled carbon nanotubes could be achieved thanks to the appropriate functionalization of the support by amide groups containing a long alkyl chain. The higher selectivity observed for the confined catalysts in relation to the non-confined ones, can be attributed to the higher concentration of reactants inside the multi-walled carbon nanotubes.

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