Uniformly a-Oriented MFI Zeolite Films by Secondary Growth

Oriented assembly of zeolite crystals on a porous support followed by secondary growth leads to continuous, thin, uniformly oriented zeolite films (see picture for a cross‐sectional SEM image) of MFI with the 5.1×5.5‐Å zigzag channels perpendicular to the support. These a‐oriented films along with t...

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Bibliographic Details
Published in:Angewandte Chemie International Edition 2006-02, Vol.45 (7), p.1154-1158
Main Authors: Choi, Jungkyu, Ghosh, Shubhajit, Lai, Zhiping, Tsapatsis, Michael
Format: Article
Language:English
Subjects:
hydrothermal synthesis
monolayers
thin films
zeolites
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Summary:Oriented assembly of zeolite crystals on a porous support followed by secondary growth leads to continuous, thin, uniformly oriented zeolite films (see picture for a cross‐sectional SEM image) of MFI with the 5.1×5.5‐Å zigzag channels perpendicular to the support. These a‐oriented films along with their previously reported b‐oriented counterparts are the first set of thin molecular‐sieve membranes with uniform but drastically different orientations.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.200503011