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

Authors

  • Dr. Eva Castillejos,

    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
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  • Dr. Mohamad Jahjah,

    1. Université de Toulouse, UPS, LHFA, 118 route de Narbonne, F-31062 Toulouse Cedex 9 (France)
    2. CNRS, LHFA UMR 5069, F-31062 Toulouse Cedex 9 (France), Fax: (+33) 561558204
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  • Dr. Isabelle Favier,

    1. Université de Toulouse, UPS, LHFA, 118 route de Narbonne, F-31062 Toulouse Cedex 9 (France)
    2. CNRS, LHFA UMR 5069, F-31062 Toulouse Cedex 9 (France), Fax: (+33) 561558204
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  • Dr. Arantxa Orejón,

    1. Departament de Química Física i Inorgànica, Universitat Rovira i Virgili, Marcel.lí Domingo s/n, 43007 Tarragona (Spain)
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    • Deceased, January 10, 2011.

  • Christian Pradel,

    1. Université de Toulouse, UPS, LHFA, 118 route de Narbonne, F-31062 Toulouse Cedex 9 (France)
    2. CNRS, LHFA UMR 5069, F-31062 Toulouse Cedex 9 (France), Fax: (+33) 561558204
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  • Dr. Emmanuelle Teuma,

    1. Université de Toulouse, UPS, LHFA, 118 route de Narbonne, F-31062 Toulouse Cedex 9 (France)
    2. CNRS, LHFA UMR 5069, F-31062 Toulouse Cedex 9 (France), Fax: (+33) 561558204
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  • Dr. Anna M. Masdeu-Bultó,

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

    Corresponding author
    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
    • 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
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  • Prof. Montserrat Gómez

    Corresponding author
    1. Université de Toulouse, UPS, LHFA, 118 route de Narbonne, F-31062 Toulouse Cedex 9 (France)
    2. CNRS, LHFA UMR 5069, F-31062 Toulouse Cedex 9 (France), Fax: (+33) 561558204
    • Université de Toulouse, UPS, LHFA, 118 route de Narbonne, F-31062 Toulouse Cedex 9 (France)
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Abstract

original image

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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