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In situ solid-state NMR and XRD studies of the ADOR process and the unusual structure of zeolite IPC-6

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Samuel A. Morris, Giulia P. M. Bignami, Yuyang Tian, Marta Navarro-Rojas, Daniel S. Firth, Jiri Cejka, Paul S. Wheatley, Daniel M. Dawson, Wojciech A. Slawinski, David S. Wragg, Russell E. Morris, Sharon E. Ashbrook

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Abstract

The assembly–disassembly–organization–reassembly (ADOR) mechanism is a recent method for preparing inorganic framework materials and, in particular, zeolites. This flexible approach has enabled the synthesis of isoreticular families of zeolites with unprecedented continuous control over porosity, and the design and preparation of materials that would have been difficult—or even impossible—to obtain using traditional hydrothermal techniques. Applying the ADOR process to a parent zeolite with the UTL framework topology, for example, has led to six previously unknown zeolites (named IPC-n, where n = 2, 4, 6, 7, 9 and 10). To realize the full potential of the ADOR method, however, a further understanding of the complex mechanism at play is needed. Here, we probe the disassembly, organization and reassembly steps of the ADOR process through a combination of in situ solid-state NMR spectroscopy and powder X-ray diffraction experiments. We further use the insight gained to explain the formation of the unusual structure of zeolite IPC-6.
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Original languageEnglish
Pages (from-to)1012-1018
Number of pages7
JournalNature Chemistry
Volume9
Issue number10
Early online date17 Apr 2017
DOIs
Publication statusPublished - Oct 2017

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