Deposition of metal-organic frameworks by liquid-phase epitaxy: The influence of substrate functional group density on film orientation

J. Liu, Osama Shekhah, X. Stammer, H.K. Arslan, B. Liu, B. Schupbach, A. Terfort, C. Woll

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54 Scopus citations

Abstract

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.
Original languageEnglish (US)
Pages (from-to)1581-1592
Number of pages12
JournalMaterials
Volume5
Issue number9
DOIs
StatePublished - Sep 5 2012

ASJC Scopus subject areas

  • Materials Science(all)

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