Vapour-phase-transport rearrangement technique for the synthesis of new zeolites

Valeryia Kasneryk, Mariya Shamzhy, Jingtian Zhou, Qiudi Yue, Michal Mazur, Alvaro Mayoral, Zhenlin Luo (), Russell E. Morris, Jiří Čejka and Maksym Opanasenko ()
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Valeryia Kasneryk: Charles University
Mariya Shamzhy: Charles University
Jingtian Zhou: University of Science and Technology of China
Qiudi Yue: Charles University
Michal Mazur: Charles University
Alvaro Mayoral: School of Physical Science and Technology ShanghaiTech University
Zhenlin Luo: University of Science and Technology of China
Russell E. Morris: Charles University
Jiří Čejka: Charles University
Maksym Opanasenko: Charles University

Nature Communications, 2019, vol. 10, issue 1, 1-8

Abstract: Abstract Owing to the significant difference in the numbers of simulated and experimentally feasible zeolite structures, several alternative strategies have been developed for zeolite synthesis. Despite their rationality and originality, most of these techniques are based on trial-and-error, which makes it difficult to predict the structure of new materials. Assembly-Disassembly-Organization-Reassembly (ADOR) method overcoming this limitation was successfully applied to a limited number of structures with relatively stable crystalline layers (UTL, UOV, *CTH). Here, we report a straightforward, vapour-phase-transport strategy for the transformation of IWW zeolite with low-density silica layers connected by labile Ge-rich units into material with new topology. In situ XRD and XANES studies on the mechanism of IWW rearrangement reveal an unusual structural distortion-reconstruction of the framework throughout the process. Therefore, our findings provide a step forward towards engineering nanoporous materials and increasing the number of zeolites available for future applications.

Date: 2019
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DOI: 10.1038/s41467-019-12882-3

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