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Issue 7, 2010
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The modification of M41S materials: addition of metal clusters and nanoparticles

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Abstract

The incorporation of various molecular metal clusters, with well defined stoichiometry, into M41S materials has been investigated. The grafting of simple metal clusters, such as [Ru3(CO)12] and [PPN]2[Fe4(CO)13], and the larger, and in one instance, bimetallic, clusters [(dppe)2Cu][Cu6Fe4(CO)16] and [PPh4][Ru106-C)(μ-H)(CO)24] has been achieved. Nanoparticles containing iron and platinum were also anchored on silaceous supports. The proportion of iron to platinum in FePt nanoparticles was adjusted by altering the molar ratios of starting materials. Consequently, ratios of Fe : Pt of 20 : 80, 27 : 73, 40 : 60, 53 : 47 and 64 : 36 were examined. The materials produced in this manner were characterised by Powder X-ray Diffraction (XRD), BET surface areas and Transmission Electron Microscopy (TEM) and elemental analysis. The FePt materials were also investigated for their magnetic properties by SQUID magnetometry. A number of the metal containing materials were investigated for their potential to produce hydrocarbons in the Fischer–Tropsch synthesis.

Graphical abstract: The modification of M41S materials: addition of metal clusters and nanoparticles

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Publication details

The article was received on 02 Nov 2009, accepted on 22 Feb 2010 and first published on 22 Apr 2010


Article type: Paper
DOI: 10.1039/B9NJ00626E
Citation: New J. Chem., 2010,34, 1286-1294
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    The modification of M41S materials: addition of metal clusters and nanoparticles

    N. S. Hondow, G. A. Koutsantonis, R. O. Fuller, H. Fansuri, M. Saunders, R. L. Stamps and D. Zhang, New J. Chem., 2010, 34, 1286
    DOI: 10.1039/B9NJ00626E

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