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Accurate structure determination of a borosilicate zeolite EMM-26 with two-dimensional 10 x 10 ring channels using rotation electron diffraction
Stockholm University, Faculty of Science, Department of Materials and Environmental Chemistry (MMK).
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Number of Authors: 9
2016 (English)In: Inorganic Chemistry Frontiers, ISSN 2052-1553, Vol. 3, no 11, 1444-1448 p.Article in journal (Refereed) Published
Abstract [en]

A new borosilicate zeolite vertical bar N2H36C16 vertical bar[Si22B2O48].H2O, denoted as EMM-26, has been synthesized by employing a linear dicationic organic structure directing agent 1,6-bis(N-methylpyrrolidinium) hexane (OSDA). EMM-26 has a novel zeolite framework and contains two-dimensional (2D) intersecting 10 x 10-ring channels. Its structure was solved from sub-micrometer sized crystals using rotation electron diffraction (RED) and refined against both the RED and synchrotron powder diffraction data. We have shown for the first time that RED data alone can be used to accurately determine zeolite structures. The OSDAs can be removed from the framework generating permanent pores. EMM-26 shows good CO2 uptake and CO2/CH4 selectivity.

Place, publisher, year, edition, pages
2016. Vol. 3, no 11, 1444-1448 p.
National Category
Chemical Sciences
Identifiers
URN: urn:nbn:se:su:diva-136957DOI: 10.1039/c6qi00262eISI: 000387874600012OAI: oai:DiVA.org:su-136957DiVA: diva2:1059342
Available from: 2016-12-22 Created: 2016-12-19 Last updated: 2016-12-22Bibliographically approved

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Sun, JunliangZou, Xiaodong
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