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The Assembly-Disassembly-Organization-Reassembly mechanism for 3D-2D-3D transformation of germanosilicate IWW zeolite

Research output: Contribution to journalArticle

Author(s)

Pavla Chlubná-Eliášová, Yuyang Tian, Ana B. Pinar, Martin Kubů, Jiří Čejka, Russell Edward Morris

School/Research organisations

Abstract

Hydrolysis of germanosilicate zeolites with the IWW structure shows two different outcomes depending on the composition of the starting materials. Ge-rich IWW (Si/Ge=3.1) is disassembled into a layered material (IPC-5P), which can be reassembled into an almost pure silica IWW on treatment with diethoxydimethylsilane. Ge-poor IWW (Si/Ge=6.4) is not completely disassembled on hydrolysis, but retains some 3D connectivity. This structure can be reassembled into IWW by incorporation of Al to fill the defects left when the Ge is removed.
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Details

Original languageEnglish
Pages (from-to)7168–7172
JournalAngewandte Chemie
Volume126
Issue number27
Early online date13 May 2014
DOIs
Publication statusPublished - 1 Jul 2014

    Research areas

  • ADOR, Festkörperreaktionen, Germanosilicate, IWW, Zeolithe

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