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An Extra-Large-Pore Zeolite with 24 x 8 x 8-Ring Channels Using a Structure-Directing Agent Derived from Traditional Chinese Medicine
Stockholm University, Faculty of Science, Department of Materials and Environmental Chemistry (MMK).
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Number of Authors: 92018 (English)In: Angewandte Chemie International Edition, ISSN 1433-7851, E-ISSN 1521-3773, Vol. 57, no 22, p. 6486-6490Article in journal (Refereed) Published
Abstract [en]

Extra-large-pore zeolites have attracted much interest because of their important applications for processing larger molecules. Although great progress has been made in academic science and industry, it is challenging to synthesize these materials. A new extra-large-pore zeolite SYSU-3 (Sun Yat-sen University no?) has been synthesized by using a novel sophoridine derivative as an organic structure-directing agent (OSDA). The framework structure was solved and refined using continuous rotation electron diffraction (cRED) data from nanosized crystals. SYSU-3 exhibits a new zeolite framework topology, which has the first 24 x 8 x 8-ring extra-large pore system and a framework density (FD) as low as 11.4 T/1000 angstrom(3). The unique skeleton of the OSDA plays an essential role in the formation of the distinctive zeolite structure. This work provides a new perspective for developing new zeolilic materials by using alkaloids as cost-effective OSDAs.

Place, publisher, year, edition, pages
2018. Vol. 57, no 22, p. 6486-6490
Keywords [en]
alkaloids, extra-large pores, organic structure-directing agents, structure elucidation zeolites
National Category
Chemical Sciences
Identifiers
URN: urn:nbn:se:su:diva-158153DOI: 10.1002/anie.201801386ISI: 000434041700011PubMedID: 29532573OAI: oai:DiVA.org:su-158153DiVA, id: diva2:1235286
Available from: 2018-07-25 Created: 2018-07-25 Last updated: 2018-07-25Bibliographically approved

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Kapaca, ElinaZou, Xiaodong
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