Cited by 484Zeolite Catalysis and SynthesisChemical Synthesis and CharacterizationMesoporous Materials and Catalysis

Template-free nanosized faujasite-type zeolites

Awala, Hussein, Gilson, Jean-Pierre, Retoux, Richard, Boullay, Philippe, Goupil, Jean-Michel, Valtchev, Valentin, Mintova, Svetlana·2015·Nature Materials

Abstract

Nanosized faujasite (FAU) crystals have great potential as catalysts or adsorbents to more efficiently process present and forthcoming synthetic and renewable feedstocks in oil refining, petrochemistry and fine chemistry. Here, we report the rational design of template-free nanosized FAU zeolites with exceptional properties, including extremely small crystallites (10-15 nm) with a narrow particle size distribution, high crystalline yields (above 80%), micropore volumes (0.30 cm(3) g(-1)) comparable to their conventional counterparts (micrometre-sized crystals), Si/Al ratios adjustable between 1.1 and 2.1 (zeolites X or Y) and excellent thermal stability leading to superior catalytic performance in the dealkylation of a bulky molecule, 1,3,5-triisopropylbenzene, probing sites mostly located on the external surface of the nanosized crystals. Another important feature is their excellent colloidal stability, which facilitates a uniform dispersion on supports for applications in catalysis, sorption and thin-to-thick coatings.

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Crossref · 10.1038/nmat4173

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  • The reduction of average crystal size of a zeolite is mostly done directly by hydrothermal synthesis promoting nucleation versus crystal growth.

    “The reduction of average crystal size of a zeolite is mostly done directly by hydrothermal synthesis promoting nucleation versus crystal growth,99,134−138 although other nonconventional methods have been applied as well.139”

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Authors
Awala, H., Gilson, J.-P., Retoux, R., Boullay, P., Goupil, J.-M., Valtchev, V., & Mintova, S.
Affiliations
Centre National de la Recherche Scientifique (FR)
Corresponding author
Mintova, Svetlana
Venue
Nature Materials
Published
2015-01-05
Volume
14
Issue
4
Pages
447-451
ISSN
  • 1476-1122 (ISSN-L)
  • 1476-4660
OpenAlex
W1994047443
Cited by
484
References
39
Citations by year
2026: 20 · 2025: 41 · 2024: 51 · 2023: 42 · 2022: 40 · 2021: 45 · 2020: 56 · 2019: 40 · 2018: 50 · 2017: 42 · 2016: 38 · 2015: 19
FWCI
20.40
Type
journal article
Language
en
Open access
closed
Locations
  • Nature Materials (publishedVersion)
  • PubMed (publishedVersion)
  • HAL (submittedVersion)
Topics
  • Physical Sciences › Chemistry › Inorganic Chemistry › Zeolite Catalysis and Synthesis
  • Physical Sciences › Environmental Science › Waste Management and Disposal › Chemical Synthesis and Characterization
  • Physical Sciences › Materials Science › Materials Chemistry › Mesoporous Materials and Catalysis
Keywords
faujasite, nanosized zeolites, template-free synthesis, zeolite crystallization, Si/Al ratio, zeolite X, zeolite Y, thermal stability, dealkylation, 1,3,5-triisopropylbenzene, colloidal stability, particle size distribution, catalysts, adsorbents

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