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

Abstract

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 Kβx 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.

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Publication details

The article was received on 24 Jul 2017, accepted on 02 Oct 2017 and first published on 11 Oct 2017


Article type: Paper
DOI: 10.1039/C7CP05001A
Citation: Phys. Chem. Chem. Phys., 2017, Accepted Manuscript
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    Distribution of aluminum over different T-sites in ferrierite zeolites studied with aluminum valence to core X-ray emission spectroscopy

    R. Bohinc, J. Hoszowska, J. Dousse, W. Blachucki, F. Zeeshan, Y. Kayser, M. Nachtegaal, A. B. Pinar Prieto and J. A. van Bokhoven, Phys. Chem. Chem. Phys., 2017, Accepted Manuscript , DOI: 10.1039/C7CP05001A

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