Journal
CHEMISTRY OF MATERIALS
Volume 23, Issue 20, Pages 4606-4611Publisher
AMER CHEMICAL SOC
DOI: 10.1021/cm202230r
Keywords
Ruthenium; Barium; Zeolite Y; NOx; Rietveld refinement; cation sites
Funding
- Flemish Government (Methusalem)
- Excellence funding (CECAT)
- Flemish FWO
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Adsorption of gas molecules is a typical application for zeolites. Interaction of adsorbed molecules with cations in zeolite frameworks is responsible for selectivity and adsorption strength. Through detailed analysis of the cation distribution in zeolite Y containing Na+, Ba2+, and Ru3+ cations by NMR and X-ray diffraction combined with adsorption studies it was possible to develop a reversible, highly performant NOx adsorbent. The results demonstrate intimate understanding of guest-host interactions can lead to rational tailoring of zeolite properties.
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