Distribution of aluminum over different T-sites in ferrierite zeolites studied with aluminum valence to core X-ray emission spectroscopy

The potential of valence to core Al X-ray emission spectroscopy to determine aluminum distribution in ferrierite zeolites was investigated. The recorded emission spectra of four samples prepared with different structure directing agents exhibit slight variations in the position of the main emission...

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Bibliographic Details
Published in:Physical chemistry chemical physics : PCCP 2017-11, Vol.19 (43), p.29271-29277
Main Authors: Bohinc, R, Hoszowska, J, Dousse, J.-Cl, B achucki, W, Zeeshan, F, Kayser, Y, Nachtegaal, M, Pinar, A. B, van Bokhoven, J. A
Format: Article
Language:English
Subjects:
Aluminum
Crystallography
Emission analysis
Emission spectra
Emission spectroscopy
Occupations
Scientific apparatus & instruments
Spectrum analysis
Zeolites
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Summary:The potential of valence to core Al X-ray emission spectroscopy to determine aluminum distribution in ferrierite zeolites was investigated. The recorded emission spectra of four samples prepared with different structure directing agents exhibit slight variations in the position of the main emission peak and the intensity of its low energy shoulder. Theoretical calculations indicate that an increased intensity of the Kβ x shoulder in the Al emission spectra can be linked to a predominant occupation of the T3 site by a single aluminum atom. This study thus suggests that valence to core X-ray emission spectroscopy can be applied to help determine the occupation of aluminum at crystallographic T-sites in zeolites. The potential of valence to core Al X-ray emission spectroscopy to determine aluminum distribution in ferrierite zeolites was investigated.
ISSN:1463-9076
1463-9084
DOI:10.1039/c7cp05001a