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

doi:10.3390/ma5091581

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

Physical Sciences and Engineering

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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 language	English (US)
Pages (from-to)	1581-1592
Number of pages	12
Journal	Materials
Volume	5
Issue number	9
DOIs	https://doi.org/10.3390/ma5091581
State	Published - Sep 5 2012

ASJC Scopus subject areas

General Materials Science

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

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.",

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

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AU - Liu, J.

AU - Shekhah, Osama

AU - Stammer, X.

AU - Arslan, H.K.

AU - Liu, B.

AU - Schupbach, B.

AU - Terfort, A.

AU - Woll, C.

N1 - KAUST Repository Item: Exported on 2020-10-01

PY - 2012/9/5

Y1 - 2012/9/5

N2 - 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.

AB - 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.

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

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