Unified Internal Architecture and Surface Barriers for Molecular Diffusion of Microporous Crystalline Aluminophosphates

Starless molecular sieves: The starlike appearence of confocal fluorescence microscopy (CFM) images of large crystals of the AlPO‐5 family of microporous materials is due to the presence of barriers to molecular diffusion in the internal crystal architecture (see picture) rather than a star‐shaped s...

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Bibliographic Details
Published in:Angewandte Chemie (International ed.) 2010-09, Vol.49 (38), p.6790-6794
Main Authors: Karwacki, Lukasz, van der Bij, Hendrik E, Kornatowski, Jan, Cubillas, Pablo, Drury, Martyn R, de Winter, D.A. Matthijs, Anderson, Michael W, Weckhuysen, Bert M
Format: Article
Language:English
Subjects:
Aluminum Compounds - chemistry
confocal microscopy
crystal intergrowth
Crystallization
Diffusion
microporous materials
Microscopy, Atomic Force
Microscopy, Confocal
Phosphates - chemistry
Porosity
structure elucidation
zeolites
Zeolites - chemistry
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Summary:Starless molecular sieves: The starlike appearence of confocal fluorescence microscopy (CFM) images of large crystals of the AlPO‐5 family of microporous materials is due to the presence of barriers to molecular diffusion in the internal crystal architecture (see picture) rather than a star‐shaped subcrystal according to studies by CFM, focused ion beam milling, electron backscatter diffraction, and atomic force microscopy.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.201003273