Guest-Dependent Single-Crystal-to-Single-Crystal Phase Transitions in a Two-Dimensional Uranyl-Based Metal-Organic Framework

Sylvia L. Hanna; Xuan Zhang; Ken Ichi Otake; Riki J. Drout; Peng Li; Timur Islamoglu; Omar K. Farha

doi:10.1021/acs.cgd.8b01689

Guest-Dependent Single-Crystal-to-Single-Crystal Phase Transitions in a Two-Dimensional Uranyl-Based Metal-Organic Framework

Sylvia L. Hanna, Xuan Zhang, Ken Ichi Otake, Riki J. Drout, Peng Li, Timur Islamoglu, Omar K. Farha^*

^*Corresponding author for this work

Chemistry

Research output: Contribution to journal › Article › peer-review

29 Scopus citations

Abstract

Two-dimensional metal-organic frameworks (2D-MOFs) have shown promise in gas storage and separation applications due to their structural isomerism in response to external stimuli such as temperature, mechanical pressure, and/or guest molecules. Here, we report the guest-dependent phase transitions of a uranyl-based 2D-MOF, NU-1302, observed as single-crystal-to-single-crystal transformations. Different stacking configurations of the same structure were observed in DMF and ethanol, and after supercritical CO ₂ activation. The structural isomerism upon exposure to different solvents and when solvent-free demonstrated the ability of this system to respond to guests by shifting neighboring 2D sheets, resulting in the expansion or contraction of one-dimensional channels.

Original language	English (US)
Pages (from-to)	506-512
Number of pages	7
Journal	Crystal Growth and Design
Volume	19
Issue number	1
DOIs	https://doi.org/10.1021/acs.cgd.8b01689
State	Published - Jan 2 2019

Funding

O.K.F. acknowledges the support from the U.S. Department of Energy, National Nuclear Security Administration, under Award Number DE-NA0003763. S.L.H. and R.J.D. gratefully acknowledge funding from the International Institute for Nanotechnology (IIN) Ryan Fellowship. The authors also acknowledge the Integrated Molecular Structure Education and Research Center (IMSERC) facilities at Northwestern University where PXRD and SCXRD measurements were performed. We are grateful for helpful scientific insight from Prof. Peter Burns and Dr. Christos Malliakas.

ASJC Scopus subject areas

General Chemistry
General Materials Science
Condensed Matter Physics

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10.1021/acs.cgd.8b01689

Cite this

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title = "Guest-Dependent Single-Crystal-to-Single-Crystal Phase Transitions in a Two-Dimensional Uranyl-Based Metal-Organic Framework",

abstract = " Two-dimensional metal-organic frameworks (2D-MOFs) have shown promise in gas storage and separation applications due to their structural isomerism in response to external stimuli such as temperature, mechanical pressure, and/or guest molecules. Here, we report the guest-dependent phase transitions of a uranyl-based 2D-MOF, NU-1302, observed as single-crystal-to-single-crystal transformations. Different stacking configurations of the same structure were observed in DMF and ethanol, and after supercritical CO 2 activation. The structural isomerism upon exposure to different solvents and when solvent-free demonstrated the ability of this system to respond to guests by shifting neighboring 2D sheets, resulting in the expansion or contraction of one-dimensional channels.",

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AU - Otake, Ken Ichi

AU - Drout, Riki J.

AU - Li, Peng

AU - Islamoglu, Timur

AU - Farha, Omar K.

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AB - Two-dimensional metal-organic frameworks (2D-MOFs) have shown promise in gas storage and separation applications due to their structural isomerism in response to external stimuli such as temperature, mechanical pressure, and/or guest molecules. Here, we report the guest-dependent phase transitions of a uranyl-based 2D-MOF, NU-1302, observed as single-crystal-to-single-crystal transformations. Different stacking configurations of the same structure were observed in DMF and ethanol, and after supercritical CO 2 activation. The structural isomerism upon exposure to different solvents and when solvent-free demonstrated the ability of this system to respond to guests by shifting neighboring 2D sheets, resulting in the expansion or contraction of one-dimensional channels.

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Guest-Dependent Single-Crystal-to-Single-Crystal Phase Transitions in a Two-Dimensional Uranyl-Based Metal-Organic Framework

Abstract

Funding

ASJC Scopus subject areas

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CCDC 1876934: Experimental Crystal Structure Determination

CCDC 1871257: Experimental Crystal Structure Determination

CCDC 1876935: Experimental Crystal Structure Determination

Cite this

Guest-Dependent Single-Crystal-to-Single-Crystal Phase Transitions in a Two-Dimensional Uranyl-Based Metal-Organic Framework

Abstract

Funding

ASJC Scopus subject areas

Access to Document

Other files and links

Fingerprint

Datasets

CCDC 1876934: Experimental Crystal Structure Determination

CCDC 1871257: Experimental Crystal Structure Determination

CCDC 1876935: Experimental Crystal Structure Determination

Cite this