Dynamics of water within Cu-loaded zeolites: A quasielastic neutron scattering study
Dynamics of water within Cu-loaded zeolites: A quasielastic neutron scattering study
Authors (3): V. Skukauskas, I. P. Silverwood, E. K. Gibson
Themes: Core
DOI: 10.1016/j.catcom.2022.106429
Citations: 2
Pub type: journal-article
Pub year: 2022

Publisher: Elsevier BV

Issue:

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Publication date(s): 2022/05 (online)

Pages: 106429

Volume: 165 Issue:

Journal: Catalysis Communications

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URL: http://dx.doi.org/10.1016/j.catcom.2022.106429

Quasielastic Neutron Scattering (QENS) was employed in order to probe the dynamics of water confined within copper-loaded MOR, MFI and CHA zeolite frameworks in the temperature range 100–300 K. At 100 K, motion was outside the experimental time window and the adsorbate appeared static. Rotational quasielastic line broadenings were observed across all three Cu-zeolites at 200 K; and both rotation and translation were pronounced at 300 K. The findings indicate Cu content and the cavity size affect water mobility, which appears to represent diffusion within localised clusters.

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