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Article

Liquid- and Gas-Phase Diffusion of Ferrocene in Thin Films of Metal-Organic Frameworks

by
Wencai Zhou
,
Christof Wöll
and
Lars Heinke
*
Institut für Funktionelle Grenzflächen (IFG), Karlsruher Institut für Technologie (KIT), Hermann-von-Helmholtz-Platz 1, Eggenstein-Leopoldshafen 76344, Germany
*
Author to whom correspondence should be addressed.
Materials 2015, 8(6), 3767-3775; https://doi.org/10.3390/ma8063767
Submission received: 5 May 2015 / Revised: 2 June 2015 / Accepted: 9 June 2015 / Published: 19 June 2015
(This article belongs to the Special Issue Diffusion under Confinement in Nanopores)
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Abstract

The mass transfer of the guest molecules in nanoporous host materials, in particular in metal-organic frameworks (MOFs), is among the crucial features of their applications. By using thin surface-mounted MOF films in combination with a quartz crystal microbalance (QCM), the diffusion of ferrocene vapor and of ethanolic and hexanic ferrocene solution in HKUST-1 was investigated. For the first time, liquid- and gas-phase diffusion in MOFs was compared directly in the identical sample. The diffusion coefficients are in the same order of magnitude (~10−16 m2·s−1), whereas the diffusion coefficient of ferrocene in the empty framework is roughly 3-times smaller than in the MOF which is filled with ethanol or n-hexane.
Keywords: metal-organic frameworks; diffusion; mass transfer; gas phase; liquid phase metal-organic frameworks; diffusion; mass transfer; gas phase; liquid phase

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MDPI and ACS Style

Zhou, W.; Wöll, C.; Heinke, L. Liquid- and Gas-Phase Diffusion of Ferrocene in Thin Films of Metal-Organic Frameworks. Materials 2015, 8, 3767-3775. https://doi.org/10.3390/ma8063767

AMA Style

Zhou W, Wöll C, Heinke L. Liquid- and Gas-Phase Diffusion of Ferrocene in Thin Films of Metal-Organic Frameworks. Materials. 2015; 8(6):3767-3775. https://doi.org/10.3390/ma8063767

Chicago/Turabian Style

Zhou, Wencai, Christof Wöll, and Lars Heinke. 2015. "Liquid- and Gas-Phase Diffusion of Ferrocene in Thin Films of Metal-Organic Frameworks" Materials 8, no. 6: 3767-3775. https://doi.org/10.3390/ma8063767

APA Style

Zhou, W., Wöll, C., & Heinke, L. (2015). Liquid- and Gas-Phase Diffusion of Ferrocene in Thin Films of Metal-Organic Frameworks. Materials, 8(6), 3767-3775. https://doi.org/10.3390/ma8063767

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