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The Assembly-Disassembly-Organization-Reassembly Mechanism for 3D-2D-3D Transformation of Germanosilicate IWW Zeolite

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Author(s)

Pavla Chlubna-Eliasova, Yuyang Tian, Ana B. Pinar, Martin Kubu, Jiri Cejka, Russell E. 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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Original languageEnglish
Pages (from-to)7048-7052
Number of pages5
JournalAngewandte Chemie International Edition
Volume53
Issue number27
DOIs
Publication statusPublished - Jul 2014

    Research areas

  • ADOR, germanosilicate, IWW, solid-state transformation, zeolites

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