1 Institut de Recherches sur la Catalyse et l'Environnement de Lyon (IRCELYON), Université Lyon 1, CNRS 2, Av. Albert Einstein F-69626, Villeurbanne, France. frederic.meunier@ircelyon.univ-lyon1.fr.
Highly controlled "ship-in-a-bottle" platinum nanoparticles in silicalite-1 hollow single crystals have been prepared. This catalyst is highly active for toluene hydrogenation but shows no activity for the hydrogenation of 1,3,5-trimethylbenzene.