structure of CO and CO oxide clusters in MCM-41

A. Jentys, N.H. Pham, H. Vinek, M. Englisch, M. Englisch, J.A. Lercher

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The structural properties of Co/MCM-41 with pore diameters between 2.9 and 3.6 nm prepared by direct synthesis and impregnation were investigated. For both preparation methods, the size of the metal particles decreased with the pore diameter. For Co/MCM-41 with the same pore diameter we observed that the direct synthesis method led to significantly smaller metal clusters compared to the impregnation method. For all Co/MCM-41 samples constraints of the metal cluster sizes were observed, which are speculated to result from influences of the micro structure during the formation of the catalyst precursor.
Original languageUndefined
Pages (from-to)311-315
Number of pages5
JournalCatalysis today
Issue number39
Publication statusPublished - 1998


  • METIS-105643
  • Co in MCM-41
  • IR-73893
  • Particle size determination

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