DOI: 10.1038/ncomms8589. Determining the location and nearest neighbours of aluminium in zeolites with atom probe tomography

Determining the location and nearest neighbours of aluminium in zeolites with atom probe tomography

10.1038/ncomms8589

Crossref journal-article

Springer Science and Business Media LLC

Nature Communications (297)

Abstract

AbstractZeolite catalysis is determined by a combination of pore architecture and Brønsted acidity. As Brønsted acid sites are formed by the substitution of AlO4for SiO4tetrahedra, it is of utmost importance to have information on the number as well as the location and neighbouring sites of framework aluminium. Unfortunately, such detailed information has not yet been obtained, mainly due to the lack of suitable characterization methods. Here we report, using the powerful atomic-scale analysis technique known as atom probe tomography, the quantitative spatial distribution of individual aluminium atoms, including their three-dimensional extent of segregation. Using a nearest-neighbour statistical analysis, we precisely determine the short-range distribution of aluminium over the different T-sites and determine the most probable Al–Al neighbouring distance within parent and steamed ZSM-5 crystals, as well as assess the long-range redistribution of aluminium upon zeolite steaming.

Bibliography

Perea, D. E., Arslan, I., Liu, J., RistanoviÄ, Z., Kovarik, L., Arey, B. W., Lercher, J. A., Bare, S. R., & Weckhuysen, B. M. (2015). Determining the location and nearest neighbours of aluminium in zeolites with atom probe tomography. Nature Communications, 6(1).

Authors 9

Daniel E. Perea (first)
Ilke Arslan (additional)
Jia Liu (additional)
Zoran Ristanović (additional)
Libor Kovarik (additional)
Bruce W. Arey (additional)
Johannes A. Lercher (additional)
Simon R. Bare (additional)
Bert M. Weckhuysen (additional)

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Dates

Type	When
Created	10 years, 1 month ago (July 2, 2015, 6:48 a.m.)
Deposited	1 year, 2 months ago (June 9, 2024, 4:27 p.m.)
Indexed	1 week, 1 day ago (Aug. 23, 2025, 1:12 a.m.)
Issued	10 years, 1 month ago (July 2, 2015)
Published	10 years, 1 month ago (July 2, 2015)
Published Online	10 years, 1 month ago (July 2, 2015)

Funders 0

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BibTeX

@article{Perea_2015, title={Determining the location and nearest neighbours of aluminium in zeolites with atom probe tomography}, volume={6}, ISSN={2041-1723}, url={http://dx.doi.org/10.1038/ncomms8589}, DOI={10.1038/ncomms8589}, number={1}, journal={Nature Communications}, publisher={Springer Science and Business Media LLC}, author={Perea, Daniel E. and Arslan, Ilke and Liu, Jia and Ristanović, Zoran and Kovarik, Libor and Arey, Bruce W. and Lercher, Johannes A. and Bare, Simon R. and Weckhuysen, Bert M.}, year={2015}, month=jul }

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