Evidence for F-/SiO- anion exchange in the framework of As-synthesized all-silica zeolites

Xiaolong Liu; Ugo Ravon; Alain Tuel

doi:10.1002/anie.201101237

Evidence for F-/SiO- anion exchange in the framework of As-synthesized all-silica zeolites

Xiaolong Liu, Ugo Ravon, Alain Tuel

Physical Sciences and Engineering

Research output: Contribution to journal › Article › peer-review

41 Scopus citations

Abstract

Not everything changes: Charge-compensating anions can be exchanged in as-synthesized zeolite frameworks with changes in both the density of defect sites and of the hydrophobic character of the zeolite. The reversible transformation occurs without dissolution/recrystallization of the zeolite and preserves the size and shape of the crystals (see picture). Fluoride removal is not possible in all-silica D4R units, for which fluoride ions play a structure-directing role. © 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Original language	English (US)
Pages (from-to)	5900-5903
Number of pages	4
Journal	Angewandte Chemie International Edition
Volume	50
Issue number	26
DOIs	https://doi.org/10.1002/anie.201101237
State	Published - May 12 2011

Bibliographical note

KAUST Repository Item: Exported on 2020-10-01
Acknowledged KAUST grant number(s): UK-C0017
Acknowledgements: This publication is based on work supported by Award No. UK-C0017, made by King Abdullah University of Science and Technology (KAUST).

ASJC Scopus subject areas

General Chemistry
Catalysis

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10.1002/anie.201101237

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abstract = "Not everything changes: Charge-compensating anions can be exchanged in as-synthesized zeolite frameworks with changes in both the density of defect sites and of the hydrophobic character of the zeolite. The reversible transformation occurs without dissolution/recrystallization of the zeolite and preserves the size and shape of the crystals (see picture). Fluoride removal is not possible in all-silica D4R units, for which fluoride ions play a structure-directing role. {\textcopyright} 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.",

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AU - Ravon, Ugo

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AB - Not everything changes: Charge-compensating anions can be exchanged in as-synthesized zeolite frameworks with changes in both the density of defect sites and of the hydrophobic character of the zeolite. The reversible transformation occurs without dissolution/recrystallization of the zeolite and preserves the size and shape of the crystals (see picture). Fluoride removal is not possible in all-silica D4R units, for which fluoride ions play a structure-directing role. © 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

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Evidence for F-/SiO- anion exchange in the framework of As-synthesized all-silica zeolites

Abstract

Bibliographical note

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