The utility of UiO-67 Metal–Organic Frameworks (MOFs) for practical applications requires a comprehensive understanding of intermolecular host-guest MOF–analyte interactions. To investigate intermolecular interactions between UiO-67 MOFs and complex molecules, it is useful to evaluate the interactions with simple polar and non-polar analytes. This problem is approached by investigating the interactions of polar (acetone and isopropanol) and non-polar (n-heptane) molecules with functionalized UiO-67 MOFs via temperature programmed desorption mass spectrometry and temperature programmed Fourier transform infrared spectroscopy. We find that isopropanol, acetone, and n-heptane bind reversibly and non-destructively to UiO-67 MOFs, where MOF and analyte functionality influence relative binding strengths (n-heptane ≈ isopropanol > acetone). During heating, all three analytes diffuse into the internal pore environment and directly interact with the μ3-OH groups located within the tetrahedral pores, evidenced by the IR response of ν(μ3-OH). We observe nonlinear changes in the infrared cross sections of the ν(CH) modes of acetone, isopropanol, and n-heptane following diffusion into UiO-67. Similarly, acetone’s ν(C=O) infrared cross section increases dramatically when diffused into UiO-67. Ultimately, this in situ investigation provides insights into how individual molecular functional groups interact with UiO MOFs and enables a foundation where MOF interactions with complex molecular systems can be evaluated.
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28 January 2024
Research Article|
January 31 2024
Reversible solvent interactions with UiO-67 metal–organic frameworks
Special Collection:
Porous Solids for Energy Applications
Isabella Goodenough
;
Isabella Goodenough
(Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Supervision, Visualization, Writing – original draft, Writing – review & editing)
1
Department of Chemistry, Temple University
, Philadelphia, Pennsylvania 19122, USA
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Mikaela C. Boyanich
;
Mikaela C. Boyanich
a)
(Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Visualization, Writing – original draft, Writing – review & editing)
1
Department of Chemistry, Temple University
, Philadelphia, Pennsylvania 19122, USA
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Ryan P. McDonnell
;
Ryan P. McDonnell
b)
(Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Visualization, Writing – original draft, Writing – review & editing)
1
Department of Chemistry, Temple University
, Philadelphia, Pennsylvania 19122, USA
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Lauren Castellana
;
Lauren Castellana
(Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Writing – review & editing)
1
Department of Chemistry, Temple University
, Philadelphia, Pennsylvania 19122, USA
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Venkata Swaroopa Datta Devulapalli
;
Venkata Swaroopa Datta Devulapalli
(Methodology, Supervision, Visualization, Writing – review & editing)
1
Department of Chemistry, Temple University
, Philadelphia, Pennsylvania 19122, USA
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Tian-Yi Luo
;
Tian-Yi Luo
(Resources)
2
Department of Chemistry, University of Pittsburgh
, Pittsburgh, Pennsylvania 15261, USA
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Prasenjit Das
;
Prasenjit Das
(Resources)
2
Department of Chemistry, University of Pittsburgh
, Pittsburgh, Pennsylvania 15261, USA
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Mélissandre Richard
;
Mélissandre Richard
c)
(Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Supervision, Visualization, Writing – review & editing)
1
Department of Chemistry, Temple University
, Philadelphia, Pennsylvania 19122, USA
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Nathaniel L. Rosi
;
Nathaniel L. Rosi
(Funding acquisition, Resources, Supervision, Writing – review & editing)
2
Department of Chemistry, University of Pittsburgh
, Pittsburgh, Pennsylvania 15261, USA
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Eric Borguet
Eric Borguet
d)
(Conceptualization, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Supervision, Writing – original draft, Writing – review & editing)
1
Department of Chemistry, Temple University
, Philadelphia, Pennsylvania 19122, USA
d)Author to whom correspondence should be addressed: [email protected]
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Isabella Goodenough
1
Mikaela C. Boyanich
1,a)
Ryan P. McDonnell
1,b)
Lauren Castellana
1
Venkata Swaroopa Datta Devulapalli
1
Tian-Yi Luo
2
Prasenjit Das
2
Mélissandre Richard
1,c)
Nathaniel L. Rosi
2
Eric Borguet
1,d)
1
Department of Chemistry, Temple University
, Philadelphia, Pennsylvania 19122, USA
2
Department of Chemistry, University of Pittsburgh
, Pittsburgh, Pennsylvania 15261, USA
d)Author to whom correspondence should be addressed: [email protected]
a)
Present address: Department of Chemistry, Virginia Tech, Blacksburg, Virginia 24601, USA.
b)
Present address: Department of Chemistry, University of Wisconsin – Madison, Madison, Wisconsin 53706, USA.
c)
Present address: Univ. Lille, CNRS, Centrale Lille, Univ. Artois, UMR 8181, UCCS - Unité de Catalyse et Chimie du Solide, 59000 Lille, France.
J. Chem. Phys. 160, 044711 (2024)
Article history
Received:
October 12 2023
Accepted:
December 06 2023
Citation
Isabella Goodenough, Mikaela C. Boyanich, Ryan P. McDonnell, Lauren Castellana, Venkata Swaroopa Datta Devulapalli, Tian-Yi Luo, Prasenjit Das, Mélissandre Richard, Nathaniel L. Rosi, Eric Borguet; Reversible solvent interactions with UiO-67 metal–organic frameworks. J. Chem. Phys. 28 January 2024; 160 (4): 044711. https://doi.org/10.1063/5.0180924
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