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Issue 34, 2006
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On determining the nuclearity of iron sites in Fe-ZSM-5—a critical evaluation

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Abstract

In order to interpret catalytic data on iron zeolites in terms of structure–activity relationships, reliable characterisation methods are needed. In particular, the nuclearity of the iron species is an important issue, since it is often invoked to explain catalytic activity. In the present contribution, we address the problem of the nuclearity of the iron species in Fe-ZSM-5 by a combination of techniques, that is, UV-Vis, EXAFS, Magnetic Circular Dichroism (MCD) and magnetisation measurements. Based on an in-depth analysis of these data, we show that some of the current interpretations of UV-Vis and EXAFS spectra need to be revised.

Graphical abstract: On determining the nuclearity of iron sites in Fe-ZSM-5—a critical evaluation

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Publication details

The article was received on 02 May 2006, accepted on 29 Jun 2006 and first published on 24 Jul 2006


Article type: Invited Article
DOI: 10.1039/B606205A
Citation: Phys. Chem. Chem. Phys., 2006,8, 3939-3950
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    On determining the nuclearity of iron sites in Fe-ZSM-5—a critical evaluation

    G. D. Pirngruber, P. K. Roy and R. Prins, Phys. Chem. Chem. Phys., 2006, 8, 3939
    DOI: 10.1039/B606205A

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