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Materials 2012, 5(9), 1581-1592; doi:10.3390/ma5091581

Deposition of Metal-Organic Frameworks by Liquid-Phase Epitaxy: The Influence of Substrate Functional Group Density on Film Orientation

1 Institute of Functional Interfaces, Karlsruhe Institute of Technology, Hermann-von-Helmholty-Platz 1, B 330, Eggenstein-Leopoldshafen D-76344, Germany 2 Advanced Membranes & Porous Materials Center, King Abdullah University of Science and Technology, Thuwal 23955-6900, Kingdom of Saudi Arabia 3 Department of Chemistry, University of Liverpool, Crown Street, Liverpool L69 7ZD, UK 4 Institute of Inorganic and Analytical Chemistry, Goethe-University Frankfurt am Main, Frankfurt 60438, Germany
* Author to whom correspondence should be addressed.
Received: 11 July 2012 / Revised: 27 August 2012 / Accepted: 28 August 2012 / Published: 5 September 2012
(This article belongs to the Special Issue Epitaxial Materials)
Download PDF [302 KB, 6 September 2012; original version 5 September 2012]


The liquid phase epitaxy (LPE) of the metal-organic framework (MOF) HKUST-1 has been studied for three different COOH-terminated templating organic surfaces prepared by the adsorption of self-assembled monolayers (SAMs) on gold substrates. Three different SAMs were used, mercaptohexadecanoic acid (MHDA), 4’-carboxyterphenyl-4-methanethiol (TPMTA) and 9-carboxy-10-(mercaptomethyl)triptycene (CMMT). The XRD data demonstrate that highly oriented HKUST-1 SURMOFs with an orientation along the (100) direction was obtained on MHDA-SAMs. In the case of the TPMTA-SAM, the quality of the deposited SURMOF films was found to be substantially inferior. Surprisingly, for the CMMT-SAMs, a different growth direction was obtained; XRD data reveal the deposition of highly oriented HKUST-1 SURMOFs grown along the (111) direction.
Keywords: HKUST-1; SAMs; MOF thin film HKUST-1; SAMs; MOF thin film
This is an open access article distributed under the Creative Commons Attribution License (CC BY) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Liu, J.; Shekhah, O.; Stammer, X.; Arslan, H.K.; Liu, B.; Schüpbach, B.; Terfort, A.; Wöll, C. Deposition of Metal-Organic Frameworks by Liquid-Phase Epitaxy: The Influence of Substrate Functional Group Density on Film Orientation. Materials 2012, 5, 1581-1592.

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