Preparation of Pd Nanoparticles Covered with Organosilica Layers and Their Catalytic Properties for Cyclohexane Dehydrogenation

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  • Keizo Nakagawa
    Department of Advanced Materials, Institute of Technology and Science, The University of Tokushima
  • Tomoya Hoshinoo
    Department of Chemical Science and Technology, The University of Tokushima
  • Ken-Ichiro Sotowa
    Department of Advanced Materials, Institute of Technology and Science, The University of Tokushima
  • Shigeru Sugiyama
    Department of Advanced Materials, Institute of Technology and Science, The University of Tokushima
  • Laylla Rkiouak
    Department of Physical Chemistry and Catalysis, Meurice Institute
  • Vincent Dubois
    Department of Physical Chemistry and Catalysis, Meurice Institute
  • Sophie Hermans
    IMCN Institute-MOST pole, Catholic University of Louvain

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<jats:title>Abstract</jats:title> <jats:p>Carbon black (CB)-supported Pd catalysts (Pd/CB) were covered with organosilica layers via the hydrolysis of phenyltriethoxysilane (PhTES). Coverage of Pd nanoparticles with organosilica layers suppressed particle sintering of Pd, as compared to the case of uncovered Pd/CB. The organosilica layers had hydrophobic properties because of the presence of phenyl groups. As a result, the organosilica-coated Pd catalysts prepared using PhTES showed superior catalytic performance for cyclohexane dehydrogenation, even after reduction at 623 K under H2 atmosphere.</jats:p>

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  • Chemistry Letters

    Chemistry Letters 41 (10), 1308-1310, 2012-10

    Oxford University Press (OUP)

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