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New zeolite-like RUB-5 and its related hydrous layer silicate RUB-6 structurally characterized by electron microscopy

Publikation: Beitrag in FachzeitschriftArtikelForschungPeer-Review

Autorschaft

  • Yaşar Krysiak
  • Bernd Marler
  • Bastian Barton
  • Sergi Plana-Ruiz

Externe Organisationen

  • Johannes Gutenberg-Universität Mainz
  • Technische Universität Darmstadt
  • Akademie Věd České Republiky (AV ČR)
  • Universitat de Barcelona (UB)
  • Ruhr-Universität Bochum
  • Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU Erlangen-Nürnberg)

Details

OriginalspracheEnglisch
Seiten (von - bis)522-534
Seitenumfang13
FachzeitschriftIUCRJ
Jahrgang7
PublikationsstatusVeröffentlicht - 1 Mai 2020
Extern publiziertJa

Abstract

This study made use of a recently developed combination of advanced methods to reveal the atomic structure of a disordered nanocrystalline zeolite using exit wave reconstruction, automated diffraction tomography, disorder modelling and diffraction pattern simulation. By applying these methods, it was possible to determine the so far unknown structures of the hydrous layer silicate RUB-6 and the related zeolite-like material RUB-5. The structures of RUB-5 and RUB-6 contain the same dense layer-like building units (LLBUs). In the case of RUB-5, these building units are interconnected via additional SiO4/2 tetrahedra, giving rise to a framework structure with a 2D pore system consisting of intersecting 8-ring channels. In contrast, RUB-6 contains these LLBUs as separate silicate layers terminated by silanol/siloxy groups. Both RUB-6 and RUB-5 show stacking disorder with intergrowths of different polymorphs. The unique structure of RUB-6, together with the possibility for an interlayer expansion reaction to form RUB-5, make it a promising candidate for interlayer expansion with various metal sources to include catalytically active reaction centres.

ASJC Scopus Sachgebiete

Zitieren

New zeolite-like RUB-5 and its related hydrous layer silicate RUB-6 structurally characterized by electron microscopy. / Krysiak, Yaşar; Marler, Bernd; Barton, Bastian et al.
in: IUCRJ, Jahrgang 7, 01.05.2020, S. 522-534.

Publikation: Beitrag in FachzeitschriftArtikelForschungPeer-Review

Krysiak Y, Marler B, Barton B, Plana-Ruiz S, Gies H, Neder RB et al. New zeolite-like RUB-5 and its related hydrous layer silicate RUB-6 structurally characterized by electron microscopy. IUCRJ. 2020 Mai 1;7:522-534. doi: 10.1107/S2052252520003991
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title = "New zeolite-like RUB-5 and its related hydrous layer silicate RUB-6 structurally characterized by electron microscopy",
abstract = "This study made use of a recently developed combination of advanced methods to reveal the atomic structure of a disordered nanocrystalline zeolite using exit wave reconstruction, automated diffraction tomography, disorder modelling and diffraction pattern simulation. By applying these methods, it was possible to determine the so far unknown structures of the hydrous layer silicate RUB-6 and the related zeolite-like material RUB-5. The structures of RUB-5 and RUB-6 contain the same dense layer-like building units (LLBUs). In the case of RUB-5, these building units are interconnected via additional SiO4/2 tetrahedra, giving rise to a framework structure with a 2D pore system consisting of intersecting 8-ring channels. In contrast, RUB-6 contains these LLBUs as separate silicate layers terminated by silanol/siloxy groups. Both RUB-6 and RUB-5 show stacking disorder with intergrowths of different polymorphs. The unique structure of RUB-6, together with the possibility for an interlayer expansion reaction to form RUB-5, make it a promising candidate for interlayer expansion with various metal sources to include catalytically active reaction centres.",
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note = "Funding information: YK is very grateful to the Stipendienstiftung Rheinland-Pfalz and Forschung und Technologietransfer Universit{\"a}t Mainz for financial support. This research was as well supported by the Czech Science Foundation (project No. 19-08032S).",
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AU - Krysiak, Yaşar

AU - Marler, Bernd

AU - Barton, Bastian

AU - Plana-Ruiz, Sergi

AU - Gies, Hermann

AU - Neder, Reinhard B.

AU - Kolba, Ute

N1 - Funding information: YK is very grateful to the Stipendienstiftung Rheinland-Pfalz and Forschung und Technologietransfer Universität Mainz for financial support. This research was as well supported by the Czech Science Foundation (project No. 19-08032S).

PY - 2020/5/1

Y1 - 2020/5/1

N2 - This study made use of a recently developed combination of advanced methods to reveal the atomic structure of a disordered nanocrystalline zeolite using exit wave reconstruction, automated diffraction tomography, disorder modelling and diffraction pattern simulation. By applying these methods, it was possible to determine the so far unknown structures of the hydrous layer silicate RUB-6 and the related zeolite-like material RUB-5. The structures of RUB-5 and RUB-6 contain the same dense layer-like building units (LLBUs). In the case of RUB-5, these building units are interconnected via additional SiO4/2 tetrahedra, giving rise to a framework structure with a 2D pore system consisting of intersecting 8-ring channels. In contrast, RUB-6 contains these LLBUs as separate silicate layers terminated by silanol/siloxy groups. Both RUB-6 and RUB-5 show stacking disorder with intergrowths of different polymorphs. The unique structure of RUB-6, together with the possibility for an interlayer expansion reaction to form RUB-5, make it a promising candidate for interlayer expansion with various metal sources to include catalytically active reaction centres.

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KW - 3D electron diffraction

KW - computational modelling

KW - diffuse scattering

KW - electron crystallography

KW - exit wave reconstruction

KW - framework-structured solids

KW - inorganic materials.

KW - microporous materials

KW - polymorph prediction

KW - stacking faults

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