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Transport in nanoporous materials including MOFs : the applicability of Fick’s laws
Citation Link: https://doi.org/10.15480/882.1537
Publikationstyp
Journal Article
Date Issued
2015
Sprache
English
Author(s)
Institut
TORE-DOI
Volume
54
Issue
48
Start Page
14580
End Page
14583
Publisher DOI
Scopus ID
Publisher
Wiley-VCH
Diffusion in nanoporous host-guest systems is often considered to be too complicated to comply with such “simple” relations as Fick’s first and second laws of diffusion. However, we show here that the microscopic techniques of diffusion measurement, notably the pulsed field gradient (PFG) technique of NMR and micro-imaging by interference microscopy (IFM) and IR microscopy (IRM), provide direct experimental evidence of the applicability of Fick’s laws to such systems. This remains true in many situations, even when the detailed mechanism is complex. The limitations of the diffusion model are also discussed with reference to the extensive literature of this subject.
Subjects
diffusion
Fick's laws
nanoporous materials
zeolite
MOF
DDC Class
620: Ingenieurwissenschaften
More Funding Information
German Science Foundation (DFG), Fonds der Chemischen Industrie and Alexander von Humboldt Foundation
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Titze_AngewChemIntEd_2015.pdf
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