Unprecedented Insight into Diffusion by Monitoring the Concentration of Guest Molecules in Nanoporous Host Materials

How many guests? Interference microscopy is used to monitor the concentration of guest molecules in a ferrierite zeolite. The micropore diffusivities are determined as a function of loading through the microscopic application of Fick's second law. This method can be used to study isotropic and...

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Bibliographic Details
Published in:Angewandte Chemie International Edition Vol. 45; no. 46; pp. 7846 - 7849
Main Authors: Kärger, Jörg, Kortunov, Pavel, Vasenkov, Sergey, Heinke, Lars, Shah, Dhananjai B., Rakoczy, Rainer A., Traa, Yvonne, Weitkamp, Jens
Format: Journal Article
Language:English
Published: Weinheim WILEY-VCH Verlag 27.11.2006
WILEY‐VCH Verlag
Subjects:
host-guest systems
interference microscopy
micropore diffusion
nanoporous materials
zeolites
ISSN:1433-7851, 1521-3773
Online Access:Get full text
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Summary:How many guests? Interference microscopy is used to monitor the concentration of guest molecules in a ferrierite zeolite. The micropore diffusivities are determined as a function of loading through the microscopic application of Fick's second law. This method can be used to study isotropic and anisotropic diffusion, as well as to locate and quantify surface barriers and internal defects.
Bibliography:ArticleID:ANIE200602892
Deutsche Forschungsgemeinschaft
We gratefully acknowledge financial support from the Deutsche Forschungsgemeinschaft.
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ISSN:1433-7851
1521-3773
DOI:10.1002/anie.200602892