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

Bohinc, R.; Hoszowska, Joanna; Dousse, Jean-Claude; Błachucki, Wojciech; Zeeshan, Faisal; Kayser, Yves; Nachtegaal, Maarten; Pinar, A. B.; Bokhoven, Jeroen A. van

doi:10.1039/C7CP05001A

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

Bohinc, R. Paul Scherrer Institut (PSI), 5232 Villigen PSI, Switzerland
Hoszowska, Joanna Department of Physics, University of Fribourg, Switzerland
Dousse, Jean-Claude Department of Physics, University of Fribourg, Switzerland
Błachucki, Wojciech Department of Physics, University of Fribourg, Switzerland
Zeeshan, Faisal Department of Physics, University of Fribourg, Switzerland
Kayser, Yves Paul Scherrer Institut (PSI), 5232 Villigen PSI, Switzerland
Nachtegaal, Maarten Paul Scherrer Institut (PSI), 5232 Villigen PSI, Switzerland
Pinar, A. B. Paul Scherrer Institut (PSI), 5232 Villigen PSI, Switzerland
Bokhoven, Jeroen A. van Paul Scherrer Institut (PSI), 5232 Villigen PSI, Switzerland - Department of Chemistry and Applied Biosciences, ETH Zürich, Switzerland

08.11.2017

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Physical Chemistry Chemical Physics. - 2017, vol. 19, no. 43, p. 29271–29277

English 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.

Faculty

Faculté des sciences et de médecine

Department

Département de Physique

Language