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Cavallo M, Atzori C, Signorile M, Costantino F, Venturi DM, Koutsianos A, Lomachenko KA, Calucci L, Martini F, Giovanelli A, Geppi M, Crocellà V, Taddei M. Cooperative CO 2 adsorption mechanism in a perfluorinated Ce IV-based metal organic framework. JOURNAL OF MATERIALS CHEMISTRY. A 2023; 11:5568-5583. [PMID: 36936468 PMCID: PMC10012411 DOI: 10.1039/d2ta09746j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Accepted: 02/09/2023] [Indexed: 06/18/2023]
Abstract
Adsorbents able to uptake large amounts of gases within a narrow range of pressure, i.e., phase-change adsorbents, are emerging as highly interesting systems to achieve excellent gas separation performances with little energy input for regeneration. A recently discovered phase-change metal-organic framework (MOF) adsorbent is F4_MIL-140A(Ce), based on CeIV and tetrafluoroterephthalate. This MOF displays a non-hysteretic step-shaped CO2 adsorption isotherm, reaching saturation in conditions of temperature and pressure compatible with real life application in post-combustion carbon capture, biogas upgrading and acetylene purification. Such peculiar behaviour is responsible for the exceptional CO2/N2 selectivity and reverse CO2/C2H2 selectivity of F4_MIL-140A(Ce). Here, we combine data obtained from a wide pool of characterisation techniques - namely gas sorption analysis, in situ infrared spectroscopy, in situ powder X-ray diffraction, in situ X-ray absorption spectroscopy, multinuclear solid state nuclear magnetic resonance spectroscopy and adsorption microcalorimetry - with periodic density functional theory simulations to provide evidence for the existence of a unique cooperative CO2 adsorption mechanism in F4_MIL-140A(Ce). Such mechanism involves the concerted rotation of perfluorinated aromatic rings when a threshold partial pressure of CO2 is reached, opening the gate towards an adsorption site where CO2 interacts with both open metal sites and the fluorine atoms of the linker.
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Affiliation(s)
- Margherita Cavallo
- Dipartimento di Chimica, Centro di Riferimento NIS e INSTM, Università di Torino Via G. Quarello 15, I-10135 and Via P. Giuria 7 I-10125 Torino Italy
| | - Cesare Atzori
- Dipartimento di Chimica, Centro di Riferimento NIS e INSTM, Università di Torino Via G. Quarello 15, I-10135 and Via P. Giuria 7 I-10125 Torino Italy
- European Synchrotron Radiation Facility 71 Avenue des Martyrs, CS 40220 38043 Grenoble Cedex 9 France
| | - Matteo Signorile
- Dipartimento di Chimica, Centro di Riferimento NIS e INSTM, Università di Torino Via G. Quarello 15, I-10135 and Via P. Giuria 7 I-10125 Torino Italy
| | - Ferdinando Costantino
- Dipartimento di Chimica, Biologia e Biotecnologie, Unità di Ricerca INSTM, Università di Perugia Via Elce di Sotto 8 06123 Perugia Italy
| | - Diletta Morelli Venturi
- Dipartimento di Chimica, Biologia e Biotecnologie, Unità di Ricerca INSTM, Università di Perugia Via Elce di Sotto 8 06123 Perugia Italy
| | - Athanasios Koutsianos
- Centre for Research & Technology Hellas/Chemical Process and Energy Resources Institute 6th km. Charilaou-Thermis 57001 Greece
| | - Kirill A Lomachenko
- European Synchrotron Radiation Facility 71 Avenue des Martyrs, CS 40220 38043 Grenoble Cedex 9 France
| | - Lucia Calucci
- Istituto di Chimica dei Composti Organo Metallici, Unità di Ricerca INSTM, Consiglio Nazionale delle Ricerche Via Giuseppe Moruzzi 1 56124 Pisa Italy
- Centro per l'Integrazione della Strumentazione Scientifica dell'Università di Pisa (CISUP) 56126 Pisa Italy
| | - Francesca Martini
- Centro per l'Integrazione della Strumentazione Scientifica dell'Università di Pisa (CISUP) 56126 Pisa Italy
- Dipartimento di Chimica e Chimica Industriale, Unità di Ricerca INSTM, Università di Pisa Via Giuseppe Moruzzi 13 56124 Pisa Italy
| | - Andrea Giovanelli
- Dipartimento di Chimica e Chimica Industriale, Unità di Ricerca INSTM, Università di Pisa Via Giuseppe Moruzzi 13 56124 Pisa Italy
| | - Marco Geppi
- Centro per l'Integrazione della Strumentazione Scientifica dell'Università di Pisa (CISUP) 56126 Pisa Italy
- Dipartimento di Chimica e Chimica Industriale, Unità di Ricerca INSTM, Università di Pisa Via Giuseppe Moruzzi 13 56124 Pisa Italy
| | - Valentina Crocellà
- Dipartimento di Chimica, Centro di Riferimento NIS e INSTM, Università di Torino Via G. Quarello 15, I-10135 and Via P. Giuria 7 I-10125 Torino Italy
| | - Marco Taddei
- Centro per l'Integrazione della Strumentazione Scientifica dell'Università di Pisa (CISUP) 56126 Pisa Italy
- Dipartimento di Chimica e Chimica Industriale, Unità di Ricerca INSTM, Università di Pisa Via Giuseppe Moruzzi 13 56124 Pisa Italy
- Energy Safety Research Institute, Swansea University Fabian Way Swansea SA1 8EN UK
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2
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Pereira D, Fonseca R, Marin-Montesinos I, Sardo M, Mafra L. Understanding CO2 adsorption mechanisms in porous adsorbents: a solid-state NMR survey. Curr Opin Colloid Interface Sci 2023. [DOI: 10.1016/j.cocis.2023.101690] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/26/2023]
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3
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Solid-state NMR studies of host-guest chemistry in metal-organic frameworks. Curr Opin Colloid Interface Sci 2022. [DOI: 10.1016/j.cocis.2022.101633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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4
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Kurihara T, Inukai M, Mizuno M. Slow CO 2 Diffusion Governed by Steric Hindrance of Rotatory Ligands in Small Pores of a Metal-Organic Framework. J Phys Chem Lett 2022; 13:7023-7028. [PMID: 35900108 DOI: 10.1021/acs.jpclett.2c01664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Understanding the adsorption and diffusional dynamics of CO2 in metal-organic frameworks (MOFs) is essential in the application of these materials to CO2 capture and separation. We show that the dynamics of adsorbed CO2 is related to the rotational motion of ligands located in the narrow pore windows of a MOF using solid-state nuclear magnetic resonance (NMR) spectroscopy. NMR analyses of local dynamics reveal that CO2 adsorbed in the pore hinders the rotation of the ligands. The rate of diffusion of adsorbed CO2 monitored by 13C NMR is much less than that in the larger pores of MOFs and decreases cooperatively with ligand mobility, which indicates that the rate of diffusion is influenced by the steric hindrance of the rotatory ligands. Adsorbed CH4 also showed slow diffusion in the MOF, suggesting molecular size-selective effect of the mobile steric hindrance on the rate of adsorbate diffusion.
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Affiliation(s)
- Takuya Kurihara
- Division of Material Chemistry, Graduate School of Natural Science and Technology, Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa920-1192, Japan
| | - Munehiro Inukai
- Graduate School of Technology, Industrial and Social Sciences, Tokushima University, 2-1 Minami-Josanjima-Cho, Tokushima770-8506, Japan
| | - Motohiro Mizuno
- Nanomaterials Research Institute, Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa920-1192, Japan
- Institute for Frontier Science Initiative, Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa920-1192, Japan
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5
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6
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Melix P, Heine T. Investigation of CO 2 Orientational Dynamics through Simulated NMR Line Shapes*. Chemphyschem 2021; 22:2336-2341. [PMID: 34487609 PMCID: PMC9291905 DOI: 10.1002/cphc.202100489] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 08/31/2021] [Indexed: 11/07/2022]
Abstract
The dynamics of carbon dioxide in third generation (i. e., flexible) Metal-Organic Frameworks (MOFs) can be experimentally observed by 13 C NMR spectroscopy. The obtained line shapes directly correlate with the motion of the adsorbed CO2 , which in turn are readily available from classical molecular dynamics (MD) simulations. In this article, we present our publicly available implementation of an algorithm to calculate NMR line shapes from MD trajectories in a matter of minutes on any current personal computer. We apply the methodology to study an effect observed experimentally when adsorbing CO2 in different samples of the pillared layer MOF Ni2 (ndc)2 (dabco) (ndc=2,6-naphthalene-dicarboxylate, dabco=1,4-diazabicyclo-[2.2.2]-octane), also known as DUT-8(Ni). In 13 C NMR experiments of adsorbed CO2 in this MOF, small (rigid) crystals result in narrower NMR line shapes than larger (flexible) crystals. The reasons for the higher mobility of CO2 inside the smaller crystals is unknown. Our ligand field molecular mechanics simulations provide atomistic insight into the effects visible in NMR experiments with limited computational effort.
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Affiliation(s)
- Patrick Melix
- Universität Leipzig, Wilhelm-Ostwald-Institut für Physikalische und Theoretische Chemie, Linnéstraße 2, 04103, Leipzig, Germany.,Northwestern University, Department of Chemical and Biological Engineering, 2145 Sheridan Road, Evanston, Illinois, 60208, United States
| | - Thomas Heine
- TU Dresden, Professur für Theoretische Chemie, Bergstr. 66c, 01062, Dresden, Germany.,Yonsei University, Department of Chemistry, Seodaemun-gu, Seoul, 120-749, Republic of Korea
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7
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Kumar N, Mukherjee S, Harvey-Reid NC, Bezrukov AA, Tan K, Martins V, Vandichel M, Pham T, van Wyk LM, Oyekan K, Kumar A, Forrest KA, Patil KM, Barbour LJ, Space B, Huang Y, Kruger PE, Zaworotko MJ. Breaking the trade-off between selectivity and adsorption capacity for gas separation. Chem 2021; 7:3085-3098. [PMID: 34825106 PMCID: PMC8600127 DOI: 10.1016/j.chempr.2021.07.007] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2021] [Revised: 02/25/2021] [Accepted: 07/13/2021] [Indexed: 12/24/2022]
Abstract
The trade-off between selectivity and adsorption capacity with porous materials is a major roadblock to reducing the energy footprint of gas separation technologies. To address this matter, we report herein a systematic crystal engineering study of C2H2 removal from CO2 in a family of hybrid ultramicroporous materials (HUMs). The HUMs are composed of the same organic linker ligand, 4-(3,5-dimethyl-1H-pyrazol-4-yl)pyridine, pypz, three inorganic pillar ligands, and two metal cations, thereby affording six isostructural pcu topology HUMs. All six HUMs exhibited strong binding sites for C2H2 and weaker affinity for CO2. The tuning of pore size and chemistry enabled by crystal engineering resulted in benchmark C2H2/CO2 separation performance. Fixed-bed dynamic column breakthrough experiments for an equimolar (v/v = 1:1) C2H2/CO2 binary gas mixture revealed that one sorbent, SIFSIX-21-Ni, was the first C2H2 selective sorbent that combines exceptional separation selectivity (27.7) with high adsorption capacity (4 mmol·g−1). Six isostructural hybrid ultramicroporous materials are prepared and characterized Crystal engineering approach enabled fine-tuning of pore size and chemistry Weak CO2/strong C2H2 affinity resulted in high C2H2/CO2 separation selectivities SIFSIX-21-Ni: benchmark selectivity/uptake capacity for C2H2/CO2 separation
It is generally recognized that porous solids (sorbents) with high selectivity and high adsorption capacity offer potential for energy-efficient gas separations. Unfortunately, there is generally a trade-off between capacity and selectivity, which represents a roadblock to the utility of sorbents in key industrial processes. For example, acetylene (C2H2), an important fuel and chemical intermediate, is produced with CO2 as an impurity, and the similar physicochemical properties of C2H2 and CO2 mean that most sorbents are poorly selective. Hybrid ultramicroporous materials (HUMs) are candidates for gas separations as they exhibit benchmark selectivity for several key gas pairs. Unfortunately, existing HUMs are handicapped by low capacity. We report a new HUM, SIFSIX-21-Ni, that addresses the trade-off between selectivity and capacity that has plagued sorbents, as its high uptake and high selectivity renders it the new benchmark for C2H2/CO2 separation performance.
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Affiliation(s)
- Naveen Kumar
- Bernal Institute, Department of Chemical Sciences, University of Limerick, Limerick V94 T9PX, Republic of Ireland
| | - Soumya Mukherjee
- Bernal Institute, Department of Chemical Sciences, University of Limerick, Limerick V94 T9PX, Republic of Ireland
| | - Nathan C Harvey-Reid
- MacDiarmid Institute for Advanced Materials and Nanotechnology, School of Physical and Chemical Sciences, University of Canterbury, Private Bag 4800, Christchurch 8140, New Zealand
| | - Andrey A Bezrukov
- Bernal Institute, Department of Chemical Sciences, University of Limerick, Limerick V94 T9PX, Republic of Ireland
| | - Kui Tan
- Department of Materials Science & Engineering, University of Texas at Dallas, Richardson, TX 75080, USA
| | - Vinicius Martins
- Department of Chemistry, the University of Western Ontario, 1151 Richmond Street, London, ON N6A 5B7, Canada
| | - Matthias Vandichel
- Bernal Institute, Department of Chemical Sciences, University of Limerick, Limerick V94 T9PX, Republic of Ireland
| | - Tony Pham
- Department of Chemistry, University of South Florida, 4202 East Fowler Avenue, CHE205, Tampa, FL 33620-5250, USA
| | - Lisa M van Wyk
- Department of Chemistry and Polymer Science, University of Stellenbosch, Stellenbosch, Matieland 7602, South Africa
| | - Kolade Oyekan
- Department of Materials Science & Engineering, University of Texas at Dallas, Richardson, TX 75080, USA
| | - Amrit Kumar
- Bernal Institute, Department of Chemical Sciences, University of Limerick, Limerick V94 T9PX, Republic of Ireland
| | - Katherine A Forrest
- Department of Chemistry, University of South Florida, 4202 East Fowler Avenue, CHE205, Tampa, FL 33620-5250, USA
| | - Komal M Patil
- MacDiarmid Institute for Advanced Materials and Nanotechnology, School of Physical and Chemical Sciences, University of Canterbury, Private Bag 4800, Christchurch 8140, New Zealand
| | - Leonard J Barbour
- Department of Chemistry and Polymer Science, University of Stellenbosch, Stellenbosch, Matieland 7602, South Africa
| | - Brian Space
- Department of Chemistry, University of South Florida, 4202 East Fowler Avenue, CHE205, Tampa, FL 33620-5250, USA
| | - Yining Huang
- Department of Chemistry, the University of Western Ontario, 1151 Richmond Street, London, ON N6A 5B7, Canada
| | - Paul E Kruger
- MacDiarmid Institute for Advanced Materials and Nanotechnology, School of Physical and Chemical Sciences, University of Canterbury, Private Bag 4800, Christchurch 8140, New Zealand
| | - Michael J Zaworotko
- Bernal Institute, Department of Chemical Sciences, University of Limerick, Limerick V94 T9PX, Republic of Ireland
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8
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He N, Li C, Zhao X, Li Y, Zhang X, Qiao Y. The lamellar
MOFs
@polymer networks hybrids fabricated in reversed microemulsion for efficient
CO
2
capture. POLYM ADVAN TECHNOL 2021. [DOI: 10.1002/pat.5552] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Naipu He
- School of Chemistry and Chemical Engineering Research Institute, Lanzhou Jiaotong University Lanzhou China
| | - Chao Li
- School of Chemistry and Chemical Engineering Research Institute, Lanzhou Jiaotong University Lanzhou China
| | - Xiaozhu Zhao
- School of Chemistry and Chemical Engineering Research Institute, Lanzhou Jiaotong University Lanzhou China
| | - Yuhong Li
- School of Chemistry and Chemical Engineering Research Institute, Lanzhou Jiaotong University Lanzhou China
| | - Xuehui Zhang
- School of Chemistry and Chemical Engineering Research Institute, Lanzhou Jiaotong University Lanzhou China
| | - Yaoyu Qiao
- School of Chemistry and Chemical Engineering Research Institute, Lanzhou Jiaotong University Lanzhou China
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9
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Tang J, Chu Y, Li S, Xu J, Xiong W, Wang Q, Deng F. Breathing Effect via Solvent Inclusions on the Linker Rotational Dynamics of Functionalized MIL-53. Chemistry 2021; 27:14711-14720. [PMID: 34357658 DOI: 10.1002/chem.202102419] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Indexed: 12/24/2022]
Abstract
The breathing effects of functionalized MIL-53-X (X=H, CH3 , NH2 , OH, and NO2 ) induced by the inclusions of water, methanol, acetone, and N,N-dimethylformamide solvents were comprehensively investigated by solid-state NMR spectroscopy. 2D homo-nuclear correlation NMR provided direct experimental evidence for the host-guest interaction between the guest solvents and the MOF frameworks. The variations of the 1 H and 13 C NMR chemical shifts in functionalized MIL-53 from the narrow pore phase transitions to large pore forms due to solvent inclusions were clearly identified. The influence of functionalized linkers and their host-guest interactions with the confined solvents on the rotational dynamics of the linkers was examined by separated-local-field MAS NMR experiments in conjunction with DFT theoretical calculations. It is found that the linker rotational dynamics of functionalized MIL-53 in narrow pore form is closely related to the computational rotational energy barrier. The BDC-NO2 linker of activated MIL-53-NO2 undergoes relatively faster rotation, whereas the BDC-NH2 and BDC-OH linkers of activated MIL-53-NH2 and MIL-53-OH exhibit relatively slower rotation. The host-guest interactions between confined solvents and MIL-53-NO2 , MIL-53-CH3 would significantly induce an increase of the order parameters of unsubstituted carbon and reduce the rotational frequency of linkers. This study provides a spectroscopic approach for the investigation of linker rotation in functionalized MOFs at natural abundance with solvents inclusions.
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Affiliation(s)
- Jing Tang
- State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics National Center for Magnetic Resonance in Wuhan, Wuhan Institute of Physics and Mathematics, Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences, 430071, Wuhan, P. R. China.,University of Chinese Academy of Sciences, 100049, Beijing, P. R. China
| | - Yueying Chu
- State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics National Center for Magnetic Resonance in Wuhan, Wuhan Institute of Physics and Mathematics, Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences, 430071, Wuhan, P. R. China
| | - Shenhui Li
- State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics National Center for Magnetic Resonance in Wuhan, Wuhan Institute of Physics and Mathematics, Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences, 430071, Wuhan, P. R. China
| | - Jun Xu
- State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics National Center for Magnetic Resonance in Wuhan, Wuhan Institute of Physics and Mathematics, Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences, 430071, Wuhan, P. R. China
| | - Wenpeng Xiong
- State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics National Center for Magnetic Resonance in Wuhan, Wuhan Institute of Physics and Mathematics, Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences, 430071, Wuhan, P. R. China.,University of Chinese Academy of Sciences, 100049, Beijing, P. R. China
| | - Qiang Wang
- State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics National Center for Magnetic Resonance in Wuhan, Wuhan Institute of Physics and Mathematics, Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences, 430071, Wuhan, P. R. China
| | - Feng Deng
- State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics National Center for Magnetic Resonance in Wuhan, Wuhan Institute of Physics and Mathematics, Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences, 430071, Wuhan, P. R. China
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10
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Zong Z, Chen D, Zhao C, Tang G, Ji Y, Zhang H, Lv Z, Dong W, Zhu X. Photocatalytic degradation performance of gaseous formaldehyde by Ce-Eu/TiO 2 hollow microspheres: from experimental evaluation to simulation. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:34762-34775. [PMID: 33660171 DOI: 10.1007/s11356-021-13112-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Accepted: 02/18/2021] [Indexed: 06/12/2023]
Abstract
Gaseous formaldehyde present indoors is often in low-medium concentration, as compared to that contained in manufactured products, but still poses great threat to human health. Thus, this work aims to fabricate Ce-Eu/TiO2 hollow microspheres, which showed excellent photocatalytic performance toward formaldehyde. Furthermore, photocatalytical degradation performance of Ce-Eu/TiO2 hollow microspheres toward formaldehyde was investigated. The kinetics of degradation mechanism of gaseous formaldehyde for different concentrations and different temperatures vs time were studied, and the simulation and experimental results were also compared. It was found that formaldehyde concentration had an effect on the degradation process, which was consistent with different kinetics reactions. At low concentration, the degradation rate was decided by the adsorption rate, and no accumulation of adsorbent occurred. This process was consistent with the first-order kinetics law, which was established by L-H dynamics theory and Arrhenius equation. At medium concentration, the degradation process of formaldehyde was controlled by both adsorption and photocatalysis, which was consistent with the power law model. The 3D model of formaldehyde degradation process by Ce-Eu/TiO2 hollow microspheres at different concentrations vs time was established, and the results showed that the simulation equations were in good agreement with the experimental results.
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Affiliation(s)
- Zhifang Zong
- School of Civil Engineering and Architecture, Anhui University of Technology, Ma'anshan, 243032, Anhui, People's Republic of China
- State Key Laboratory for GeoMechanics and Deep Underground Engineering, China University of Mining and Technology, Xuzhou, 221116, Jiangsu, People's Republic of China
- Anhui Province Key Laboratory of Metallurgical Engineering and Resources Recycling, Anhui University of Technology, Ma'anshan, 243032, Anhui, People's Republic of China
| | - Depeng Chen
- School of Civil Engineering and Architecture, Anhui University of Technology, Ma'anshan, 243032, Anhui, People's Republic of China.
| | - Chunxiao Zhao
- State Key Laboratory for GeoMechanics and Deep Underground Engineering, China University of Mining and Technology, Xuzhou, 221116, Jiangsu, People's Republic of China.
| | - Gang Tang
- School of Civil Engineering and Architecture, Anhui University of Technology, Ma'anshan, 243032, Anhui, People's Republic of China
| | - Yilong Ji
- Anhui Province Key Laboratory of Metallurgical Engineering and Resources Recycling, Anhui University of Technology, Ma'anshan, 243032, Anhui, People's Republic of China
| | - Hao Zhang
- School of Civil Engineering and Architecture, Anhui University of Technology, Ma'anshan, 243032, Anhui, People's Republic of China
- Anhui Province Key Laboratory of Metallurgical Engineering and Resources Recycling, Anhui University of Technology, Ma'anshan, 243032, Anhui, People's Republic of China
| | - Zhong Lv
- School of Civil Engineering and Architecture, Anhui University of Technology, Ma'anshan, 243032, Anhui, People's Republic of China
| | - Wei Dong
- School of Civil Engineering and Architecture, Anhui University of Technology, Ma'anshan, 243032, Anhui, People's Republic of China
| | - Xiujuan Zhu
- School of Civil Engineering and Architecture, Anhui University of Technology, Ma'anshan, 243032, Anhui, People's Republic of China
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11
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Hughes AR, Blanc F. Recent advances in probing host–guest interactions with solid state nuclear magnetic resonance. CrystEngComm 2021. [DOI: 10.1039/d1ce00168j] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
A recent update on how solid state NMR has aided the interpretation and understanding of host–guest interactions in the field of supramolecular assemblies is provided.
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Affiliation(s)
| | - Frédéric Blanc
- Department of Chemistry
- University of Liverpool
- Liverpool
- UK
- Stephenson Institute for Renewable Energy
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12
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Fu Y, Guan H, Yin J, Kong X. Probing molecular motions in metal-organic frameworks with solid-state NMR. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2020.213563] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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13
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Li S, Lafon O, Wang W, Wang Q, Wang X, Li Y, Xu J, Deng F. Recent Advances of Solid-State NMR Spectroscopy for Microporous Materials. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e2002879. [PMID: 32902037 DOI: 10.1002/adma.202002879] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 07/29/2020] [Indexed: 05/25/2023]
Abstract
Microporous materials have attracted a rapid growth of research interest in materials science and the multidisciplinary area because of their wide applications in catalysis, separation, ion exchange, gas storage, drug release, and sensing. A fundamental understanding of their diverse structures and properties is crucial for rational design of high-performance materials and technological applications in industry. Solid-state NMR (SSNMR), capable of providing atomic-level information on both structure and dynamics, is a powerful tool in the scientific exploration of solid materials. Here, advanced SSNMR instruments and methods for characterization of microporous materials are briefly described. The recent progress of the application of SSNMR for the investigation of microporous materials including zeolites, metal-organic frameworks, covalent organic frameworks, porous aromatic frameworks, and layered materials is discussed with representative work. The versatile SSNMR techniques provide detailed information on the local structure, dynamics, and chemical processes in the confined space of porous materials. The challenges and prospects in SSNMR study of microporous and related materials are discussed.
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Affiliation(s)
- Shenhui Li
- National Centre for Magnetic Resonance in Wuhan, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences, Wuhan, 430071, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Olivier Lafon
- Univ. Lille, CNRS, Centrale Lille, Univ. Artois, UMR 8181- UCCS - Unité de Catalyse et Chimie du Solide, Lille, F-59000, France
- Institut Universitaire de France, Paris, 75231, France
| | - Weiyu Wang
- National Centre for Magnetic Resonance in Wuhan, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences, Wuhan, 430071, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Qiang Wang
- National Centre for Magnetic Resonance in Wuhan, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences, Wuhan, 430071, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Xingxing Wang
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun, 130012, China
| | - Yi Li
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun, 130012, China
- International Center of Future Science, Jilin University, Changchun, 130012, China
| | - Jun Xu
- National Centre for Magnetic Resonance in Wuhan, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences, Wuhan, 430071, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
- Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Feng Deng
- National Centre for Magnetic Resonance in Wuhan, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences, Wuhan, 430071, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
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14
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Martins V, Xu J, Wang X, Chen K, Hung I, Gan Z, Gervais C, Bonhomme C, Jiang S, Zheng A, Lucier BEG, Huang Y. Higher Magnetic Fields, Finer MOF Structural Information: 17O Solid-State NMR at 35.2 T. J Am Chem Soc 2020; 142:14877-14889. [PMID: 32786791 DOI: 10.1021/jacs.0c02810] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The spectroscopic study of oxygen, a vital element in materials, physical, and life sciences, is of tremendous fundamental and practical importance. 17O solid-state NMR (SSNMR) spectroscopy has evolved into an ideal site-specific characterization tool, furnishing valuable information on the local geometric and bonding environments about chemically distinct and, in some favorable cases, crystallographically inequivalent oxygen sites. However, 17O is a challenging nucleus to study via SSNMR, as it suffers from low sensitivity and resolution, owing to the quadrupolar interaction and low 17O natural abundance. Herein, we report a significant advance in 17O SSNMR spectroscopy. 17O isotopic enrichment and the use of an ultrahigh 35.2 T magnetic field have unlocked the identification of many inequivalent carboxylate oxygen sites in the as-made and activated phases of the metal-organic framework (MOF) α-Mg3(HCOO)6. The subtle 17O spectral differences between the as-made and activated phases yield detailed information about host-guest interactions, including insight into nonconventional O···H-C hydrogen bonding. Such weak interactions often play key roles in the applications of MOFs, such as gas adsorption and biomedicine, and are usually difficult to study via other characterization routes. The power of performing 17O SSNMR experiments at an ultrahigh magnetic field of 35.2 T for MOF characterization is further demonstrated by examining activation of the MIL-53(Al) MOF. The sensitivity and resolution enhanced at 35.2 T allows partially and fully activated MIL-53(Al) to be unambiguously distinguished and also permits several oxygen environments in the partially activated phase to be tentatively identified. This demonstration of the very high resolution of 17O SSNMR recorded at the highest magnetic field accessible to chemists to date illustrates how a broad variety of scientists can now study oxygen-containing materials and obtain previously inaccessible fine structural information.
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Affiliation(s)
- Vinicius Martins
- Department of Chemistry, The University of Western Ontario, 1151 Richmond Street, London, Ontario N6A 5B7, Canada
| | - Jun Xu
- Center for Rare Earth and Inorganic Functional Materials, Tianjin Key Lab for Rare Earth Materials and Applications, School of Materials Science and Engineering & National Institute for Advanced Materials, Nankai University, Tianjin 300350, People's Republic of China
| | - Xiaoling Wang
- National High Magnetic Field Laboratory (NHMFL), 1800 East Paul Dirac Dr., Tallahassee, Florida 32310, United States
| | - Kuizhi Chen
- National High Magnetic Field Laboratory (NHMFL), 1800 East Paul Dirac Dr., Tallahassee, Florida 32310, United States
| | - Ivan Hung
- National High Magnetic Field Laboratory (NHMFL), 1800 East Paul Dirac Dr., Tallahassee, Florida 32310, United States
| | - Zhehong Gan
- National High Magnetic Field Laboratory (NHMFL), 1800 East Paul Dirac Dr., Tallahassee, Florida 32310, United States
| | - Christel Gervais
- Sorbonne Université, CNRS, UMR 7574, Laboratoire de Chimie de la Matière Condensée de Paris, LCMCP, F-75005 Paris, France
| | - Christian Bonhomme
- Sorbonne Université, CNRS, UMR 7574, Laboratoire de Chimie de la Matière Condensée de Paris, LCMCP, F-75005 Paris, France
| | - Shijia Jiang
- Center for Rare Earth and Inorganic Functional Materials, Tianjin Key Lab for Rare Earth Materials and Applications, School of Materials Science and Engineering & National Institute for Advanced Materials, Nankai University, Tianjin 300350, People's Republic of China
| | - Anmin Zheng
- State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences, Wuhan 430071, People's Republic of China
| | - Bryan E G Lucier
- Department of Chemistry, The University of Western Ontario, 1151 Richmond Street, London, Ontario N6A 5B7, Canada
| | - Yining Huang
- Department of Chemistry, The University of Western Ontario, 1151 Richmond Street, London, Ontario N6A 5B7, Canada
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15
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Brunner E, Rauche M. Solid-state NMR spectroscopy: an advancing tool to analyse the structure and properties of metal-organic frameworks. Chem Sci 2020; 11:4297-4304. [PMID: 34122887 PMCID: PMC8159446 DOI: 10.1039/d0sc00735h] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Accepted: 04/05/2020] [Indexed: 02/03/2023] Open
Abstract
Metal-organic frameworks (MOFs) gain increasing interest due to their outstanding properties like extremely high porosity, structural variability, and various possibilities for functionalization. Their overall structure is usually determined by diffraction techniques. However, diffraction is often not sensitive for subtle local structural changes and ordering effects as well as dynamics and flexibility effects. Solid-state nuclear magnetic resonance (ssNMR) spectroscopy is sensitive for short range interactions and thus complementary to diffraction techniques. Novel methodical advances make ssNMR experiments increasingly suitable to tackle the above mentioned problems and challenges. NMR spectroscopy also allows study of host-guest interactions between the MOF lattice and adsorbed guest species. Understanding the underlying mechanisms and interactions is particularly important with respect to applications such as gas and liquid separation processes, gas storage, and others. Special in situ NMR experiments allow investigation of properties and functions of MOFs under controlled and application-relevant conditions. The present minireview explains the potential of various solid-state and in situ NMR techniques and illustrates their application to MOFs by highlighting selected examples from recent literature.
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Affiliation(s)
- Eike Brunner
- Chair of Bioanalytical Chemistry, Faculty of Chemistry and Food Chemistry, TU Dresden 01062 Dresden Germany
| | - Marcus Rauche
- Chair of Bioanalytical Chemistry, Faculty of Chemistry and Food Chemistry, TU Dresden 01062 Dresden Germany
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16
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Chen S, Mukherjee S, Lucier BEG, Guo Y, Wong YTA, Terskikh VV, Zaworotko MJ, Huang Y. Cleaving Carboxyls: Understanding Thermally Triggered Hierarchical Pores in the Metal–Organic Framework MIL-121. J Am Chem Soc 2019; 141:14257-14271. [DOI: 10.1021/jacs.9b06194] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Shoushun Chen
- Department of Chemistry, University of Western Ontario, London, Ontario, Canada N6A 5B7
| | - Soumya Mukherjee
- Bernal Institute and Department of Chemical Sciences, University of Limerick, Limerick V94 T9PX, Republic of Ireland
| | - Bryan E. G. Lucier
- Department of Chemistry, University of Western Ontario, London, Ontario, Canada N6A 5B7
| | - Ying Guo
- Department of Chemistry, University of Western Ontario, London, Ontario, Canada N6A 5B7
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, P.O. Box 98, Beijing, People’s Republic of China 100029
| | - Y. T. Angel Wong
- Department of Chemistry, University of Western Ontario, London, Ontario, Canada N6A 5B7
| | - Victor V. Terskikh
- Department of Chemistry, University of Ottawa, Ottawa, Ontario, Canada K1N 6N5
| | - Michael J. Zaworotko
- Bernal Institute and Department of Chemical Sciences, University of Limerick, Limerick V94 T9PX, Republic of Ireland
| | - Yining Huang
- Department of Chemistry, University of Western Ontario, London, Ontario, Canada N6A 5B7
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17
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Wu B, Wong YTA, Lucier BEG, Boyle PD, Huang Y. Exploring Host-Guest Interactions in the α-Zn 3(HCOO) 6 Metal-Organic Framework. ACS OMEGA 2019; 4:4000-4011. [PMID: 31459609 PMCID: PMC6648096 DOI: 10.1021/acsomega.8b03623] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/25/2018] [Accepted: 02/11/2019] [Indexed: 06/10/2023]
Abstract
Metal-organic frameworks (MOFs) are promising gas adsorbents. Knowledge of the behavior of gas molecules adsorbed inside MOFs is crucial for advancing MOFs as gas capture materials. However, their behavior is not always well understood. In this work, carbon dioxide (CO2) adsorption in the microporous α-Zn3(HCOO)6 MOF was investigated. The behavior of the CO2 molecules inside the MOF was comprehensively studied by a combination of single-crystal X-ray diffraction (SCXRD) and multinuclear solid-state magnetic resonance spectroscopy. The locations of CO2 molecules adsorbed inside the channels of the framework were accurately determined using SCXRD, and the framework hydrogens from the formate linkers were found to act as adsorption sites. 67Zn solid-state NMR (SSNMR) results suggest that CO2 adsorption does not significantly affect the metal center environment. Variable-temperature 13C SSNMR experiments were performed to quantitatively examine guest dynamics. The results indicate that CO2 molecules adsorbed inside the MOF channel undergo two types of anisotropic motions: a localized rotation (or wobbling) upon the adsorption site and a twofold hopping between adjacent sites located along the MOF channel. Interestingly, 13C SSNMR spectroscopy targeting adsorbed CO2 reveals negative thermal expansion (NTE) of the framework as the temperature rose past ca. 293 K. A comparative study shows that carbon monoxide (CO) adsorption does not induce framework shrinkage at high temperatures, suggesting that the NTE effect is guest-specific.
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Affiliation(s)
| | | | | | | | - Yining Huang
- E-mail: . Webpage: http://publish.uwo.ca/~yhuang/index.htm
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18
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Sin M, Kavoosi N, Rauche M, Pallmann J, Paasch S, Senkovska I, Kaskel S, Brunner E. In Situ 13C NMR Spectroscopy Study of CO 2/CH 4 Mixture Adsorption by Metal-Organic Frameworks: Does Flexibility Influence Selectivity? LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:3162-3170. [PMID: 30695636 DOI: 10.1021/acs.langmuir.8b03554] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Metal-organic frameworks are promising candidates for selective separation processes such as CO2 removal from methane (natural gas sweetening). Framework flexibility, that is, the ability of a MOF lattice to change its structure as a function of parameters like pressure, temperature, and type of adsorbed molecules, is only observed for some special compounds. The main question of our present work is: does framework flexibility influence the adsorption selectivity? As a direct quantitative method to monitor the adsorption of both, carbon dioxide and methane, we make use of high-pressure in situ 13C NMR spectroscopy of 13CO2/13CH4 gas mixtures. This method allows to distinguish between the two gases as well as between adsorbed molecules and the interparticle gas phase. Gas mixture adsorption is studied under isothermal conditions. The selectivity factor for CO2 adsorption from CO2/CH4 mixtures is measured as a function of total gas pressure. The flexible material SNU-9 as well as the flexible and the nonflexible variant of DUT-8(Ni) are compared. Maximum selectivity factors for CO2 are observed for the flexible variant of DUT-8(Ni) in its open, large-pore state. In contrast, the rigid variant of DUT-8(Ni) and SNU-9 especially in its intermediate state exhibits lower adsorption selectivity factors. This observation indicates significant influence of the framework elasticity on the adsorption selectivity.
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19
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Szell PMJ, Zablotny S, Bryce DL. Halogen bonding as a supramolecular dynamics catalyst. Nat Commun 2019; 10:916. [PMID: 30796220 PMCID: PMC6385366 DOI: 10.1038/s41467-019-08878-8] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Accepted: 02/04/2019] [Indexed: 01/23/2023] Open
Abstract
Dynamic processes have many implications in functional molecules, including catalysts, enzymes, host-guest complexes, and molecular machines. Here, we demonstrate via deuterium NMR relaxation experiments how halogen bonding directly impacts the dynamics in solid 2,3,5,6-tetramethylpyrazine cocrystals, catalyzing the methyl group rotation. On average, we observe a reduction of 56% in the rotational activation energy of the methyl groups in the halogen bonded cocrystals, contrasting the reduction of 36% in the hydrogen bonded cocrystals, with respect to pure 2,3,5,6-tetramethylpyrazine. Density functional theory calculations attribute this superior catalytic ability of the halogen bond to the simultaneous destabilization of the staggered conformation and stabilization of the gauche conformation, overall reducing the rotational energy barrier. Furthermore, the calculations suggest that the catalytic ability of the halogen bond may be tuneable, with stronger halogen bond donors acting as superior dynamics catalysts. Thus, halogen bonding may play a role in both assembly and promoting dynamical processes. The halogen bond is well known for its ability to assemble supramolecules. Here, using NMR experiments, the authors reveal the role of these bonds in dynamic processes, finding that the halogen bond directly catalyzes dynamical rotation in solid cocrystals by reducing the associated energy barrier.
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Affiliation(s)
- Patrick M J Szell
- Department of Chemistry and Biomolecular Sciences & Centre for Catalysis Research and Innovation, University of Ottawa, Ottawa, ON, K1N 6N5, Canada
| | - Scott Zablotny
- Department of Chemistry and Biomolecular Sciences & Centre for Catalysis Research and Innovation, University of Ottawa, Ottawa, ON, K1N 6N5, Canada
| | - David L Bryce
- Department of Chemistry and Biomolecular Sciences & Centre for Catalysis Research and Innovation, University of Ottawa, Ottawa, ON, K1N 6N5, Canada.
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20
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Wong YTA, Babcock TK, Chen S, Lucier BEG, Huang Y. CO Guest Interactions in SDB-Based Metal-Organic Frameworks: A Solid-State Nuclear Magnetic Resonance Investigation. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2018; 34:15640-15649. [PMID: 30512953 DOI: 10.1021/acs.langmuir.8b02205] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Metal-organic frameworks (MOFs) are promising materials for greener carbon monoxide (CO) capture and separation processes. SDB-based (SDB = 4,4'-sulfonyldibenzoate) MOFs are particularly attractive due to their remarkable gas adsorption capacity under humid conditions. However, to the best of our knowledge, their CO adsorption abilities have yet to be investigated. In this report, CO-loaded PbSDB and CdSDB were characterized using variable-temperature (VT) 13C solid-state nuclear magnetic resonance (SSNMR) spectroscopy. These MOFs readily captured CO, with the adsorbed CO exhibiting dynamics as indicated by the temperature-dependent changes in the SSNMR spectra. Spectral simulations revealed that the CO simultaneously undergoes a localized wobbling about the adsorption site and a nonlocalized hopping between adjacent adsorption sites. The wobbling and hopping angles were also found to be temperature-dependent. From the appearance of the VT spectra and the extracted motional data, the CO adsorption mechanism was concluded to be analogous to that of CO2. To gain a better understanding on the gas adsorption properties of these MOFs and their CO capture abilities, we subsequently compared the motional data to those reported for CO2 in SDB-based MOFs and CO in MOF-74, respectively. A significant contrast in adsorption strength was observed in both cases because of the different physical properties of the guests (i.e., CO vs CO2) and the MOF frameworks (i.e., SDB-based MOFs vs MOFs with open metal sites). Our results demonstrate that SSNMR spectroscopy can be employed to probe variations in binding behavior.
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Affiliation(s)
- Y T Angel Wong
- Department of Chemistry , The University of Western Ontario , 1151 Richmond Street , London , Ontario N6A 5B7 , Canada
| | - Troy K Babcock
- Department of Chemistry , The University of Western Ontario , 1151 Richmond Street , London , Ontario N6A 5B7 , Canada
| | - Shoushun Chen
- Department of Chemistry , The University of Western Ontario , 1151 Richmond Street , London , Ontario N6A 5B7 , Canada
| | - Bryan E G Lucier
- Department of Chemistry , The University of Western Ontario , 1151 Richmond Street , London , Ontario N6A 5B7 , Canada
| | - Yining Huang
- Department of Chemistry , The University of Western Ontario , 1151 Richmond Street , London , Ontario N6A 5B7 , Canada
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21
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Wong YTA, Martins V, Lucier BEG, Huang Y. Solid-State NMR Spectroscopy: A Powerful Technique to Directly Study Small Gas Molecules Adsorbed in Metal-Organic Frameworks. Chemistry 2018; 25:1848-1853. [PMID: 30189105 DOI: 10.1002/chem.201803866] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2018] [Indexed: 12/31/2022]
Abstract
Metal-organic frameworks (MOFs) have shown great potential in gas separation and storage, and the design of MOFs for these purposes is an on-going field of research. Solid-state nuclear magnetic resonance (SSNMR) spectroscopy is a valuable technique for characterizing these functional materials. It can provide a wide range of structural and motional insights that are complementary to and/or difficult to access with alternative methods. In this Concept article, the recent advances made in SSNMR investigations of small gas molecules (i.e., carbon dioxide, carbon monoxide, hydrogen gas and light hydrocarbons) adsorbed in MOFs are discussed. These studies demonstrate the breadth of information that can be obtained by SSNMR spectroscopy, such as the number and location of guest adsorption sites, host-guest binding strengths and guest mobility. The knowledge acquired from these experiments yields a powerful tool for progress in MOF development.
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Affiliation(s)
- Y T Angel Wong
- Department of Chemistry, The University of Western Ontario, 1151 Richmond Street, London, Ontario, N6A 5B7, Canada
| | - Vinicius Martins
- Department of Chemistry, The University of Western Ontario, 1151 Richmond Street, London, Ontario, N6A 5B7, Canada
| | - Bryan E G Lucier
- Department of Chemistry, The University of Western Ontario, 1151 Richmond Street, London, Ontario, N6A 5B7, Canada
| | - Yining Huang
- Department of Chemistry, The University of Western Ontario, 1151 Richmond Street, London, Ontario, N6A 5B7, Canada
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22
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Witherspoon VJ, Xu J, Reimer JA. Solid-State NMR Investigations of Carbon Dioxide Gas in Metal–Organic Frameworks: Insights into Molecular Motion and Adsorptive Behavior. Chem Rev 2018; 118:10033-10048. [DOI: 10.1021/acs.chemrev.7b00695] [Citation(s) in RCA: 69] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Velencia J. Witherspoon
- Department of Chemical and Biomolecular Engineering, University of California, Berkeley, Berkeley, California 94720, United States
| | - Jun Xu
- Department of Chemical and Biomolecular Engineering, University of California, Berkeley, Berkeley, California 94720, United States
| | - Jeffrey A. Reimer
- Department of Chemical and Biomolecular Engineering, University of California, Berkeley, Berkeley, California 94720, United States
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23
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Zhang Y, Lucier BEG, McKenzie SM, Arhangelskis M, Morris AJ, Friščić T, Reid JW, Terskikh VV, Chen M, Huang Y. Welcoming Gallium- and Indium-Fumarate MOFs to the Family: Synthesis, Comprehensive Characterization, Observation of Porous Hydrophobicity, and CO 2 Dynamics. ACS APPLIED MATERIALS & INTERFACES 2018; 10:28582-28596. [PMID: 30070824 DOI: 10.1021/acsami.8b08562] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
The properties and applications of metal-organic frameworks (MOFs) are strongly dependent on the nature of the metals and linkers, along with the specific conditions employed during synthesis. Al-fumarate, trademarked as Basolite A520, is a porous MOF that incorporates aluminum centers along with fumarate linkers and is a promising material for applications involving adsorption of gases such as CO2. In this work, the solvothermal synthesis and detailed characterization of the gallium- and indium-fumarate MOFs (Ga-fumarate, In-fumarate) are described. Using a combination of powder X-ray diffraction, Rietveld refinements, solid-state NMR spectroscopy, IR spectroscopy, and thermogravimetric analysis, the topologies of Ga-fumarate and In-fumarate are revealed to be analogous to Al-fumarate. Ultra-wideline 69Ga, 71Ga, and 115In NMR experiments at 21.1 T strongly support our refined structure. Adsorption isotherms show that the Al-, Ga-, and In-fumarate MOFs all exhibit an affinity for CO2, with Al-fumarate being the superior adsorbent at 1 bar and 273 K. Static direct excitation and cross-polarized 13C NMR experiments permit investigation of CO2 adsorption locations, binding strengths, motional rates, and motional angles that are critical to increasing adsorption capacity and selectivity in these materials. Conducting the synthesis of the indium-based framework in methanol demonstrates a simple route to introduce porous hydrophobicity into a MIL-53-type framework by incorporation of metal-bridging -OCH3 groups in the MOF pores.
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Affiliation(s)
- Yue Zhang
- Department of Chemistry , The University of Western Ontario , London , Ontario , Canada N6A 5B7
| | - Bryan E G Lucier
- Department of Chemistry , The University of Western Ontario , London , Ontario , Canada N6A 5B7
| | - Sarah M McKenzie
- Department of Chemistry , The University of Western Ontario , London , Ontario , Canada N6A 5B7
| | - Mihails Arhangelskis
- Department of Chemistry , McGill University , 801 Sherbrooke Street West , Montréal , Québec , Canada H3A 0B8
| | - Andrew J Morris
- School of Metallurgy and Materials , University of Birmingham , Edgbaston , Birmingham B15 2TT , U.K
| | - Tomislav Friščić
- Department of Chemistry , McGill University , 801 Sherbrooke Street West , Montréal , Québec , Canada H3A 0B8
| | - Joel W Reid
- Canadian Light Source , 44 Innovation Boulevard , Saskatoon , Saskatchewan , Canada S7N 2V3
| | - Victor V Terskikh
- Department of Chemistry , University of Ottawa , 10 Marie Curie Private , Ottawa , Ontario , Canada K1N 6N5
| | - Mansheng Chen
- Department of Chemistry , The University of Western Ontario , London , Ontario , Canada N6A 5B7
| | - Yining Huang
- Department of Chemistry , The University of Western Ontario , London , Ontario , Canada N6A 5B7
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24
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Zhang Y, Lucier BEG, Fischer M, Gan Z, Boyle PD, Desveaux B, Huang Y. A Multifaceted Study of Methane Adsorption in Metal-Organic Frameworks by Using Three Complementary Techniques. Chemistry 2018; 24:7866-7881. [PMID: 29575184 DOI: 10.1002/chem.201800424] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2018] [Revised: 03/17/2018] [Indexed: 12/31/2022]
Abstract
Methane is a promising clean and inexpensive energy alternative to traditional fossil fuels, however, its low volumetric energy density at ambient conditions has made devising viable, efficient methane storage systems very challenging. Metal-organic frameworks (MOFs) are promising candidates for methane storage. In order to improve the methane storage capacity of MOFs, a better understanding of the methane adsorption, mobility, and host-guest interactions within MOFs must be realized. In this study, methane adsorption within α-Mg3 (HCO2 )6 , α-Zn3 (HCO2 )6 , SIFSIX-3-Zn, and M-MOF-74 (M=Mg, Zn, Ni, Co) has been comprehensively examined. Single-crystal X-ray diffraction (SCXRD) experiments and DFT calculations of the methane adsorption locations were performed for α-Mg3 (HCO2 )6 , α-Zn3 (HCO2 )6 , and SIFSIX-3-Zn. The SCXRD thermal ellipsoids indicate that methane possesses significant mobility at the adsorption sites in each system. 2 H solid-state NMR (SSNMR) experiments targeting deuterated CH3 D guests in α-Mg3 (HCO2 )6 , α-Zn3 (HCO2 )6 , SIFSIX-3-Zn, and MOF-74 yield an interesting finding: the 2 H SSNMR spectra of methane adsorbed in these MOFs are significantly influenced by the chemical shielding anisotropy in addition to the quadrupolar interaction. The chemical shielding anisotropy contribution is likely due mainly to the nuclear independent chemical shift effect on the MOF surfaces. In addition, the 2 H SSNMR results and DFT calculations strongly indicate that the methane adsorption strength is linked to the MOF pore size and that dispersive forces are responsible for the methane adsorption in these systems. This work lays a very promising foundation for future studies of methane adsorption locations and dynamics within adsorbent MOF materials.
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Affiliation(s)
- Yue Zhang
- Department of Chemistry, The University of Western Ontario, 1151 Richmond Street, London, Ontario, N6A 5B7, Canada
| | - Bryan E G Lucier
- Department of Chemistry, The University of Western Ontario, 1151 Richmond Street, London, Ontario, N6A 5B7, Canada
| | - Michael Fischer
- Crystallography group, Department of Geosciences, University of Bremen, Klagenfurter Straße 2-4, D-28359, Bremen, Germany
- MAPEX Center for Materials and Processes, University of Bremen, D-28359, Bremen, Germany
| | - Zhehong Gan
- Centre of Interdisciplinary Magnetic Resonance, National High Magnetic Field Laboratory, 1800 East Paul Dirac Drive, Tallahassee, FL, 32310, USA
| | - Paul D Boyle
- Department of Chemistry, The University of Western Ontario, 1151 Richmond Street, London, Ontario, N6A 5B7, Canada
| | - Bligh Desveaux
- Department of Chemistry, The University of Western Ontario, 1151 Richmond Street, London, Ontario, N6A 5B7, Canada
| | - Yining Huang
- Department of Chemistry, The University of Western Ontario, 1151 Richmond Street, London, Ontario, N6A 5B7, Canada
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25
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Lucier BEG, Chen S, Huang Y. Characterization of Metal-Organic Frameworks: Unlocking the Potential of Solid-State NMR. Acc Chem Res 2018; 51:319-330. [PMID: 29251909 DOI: 10.1021/acs.accounts.7b00357] [Citation(s) in RCA: 60] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
An exciting advance in materials science is the discovery of hybrid organic-inorganic solids known as metal-organic frameworks (MOFs). Although they have numerous important applications, the local structures, specific molecular-level features, and guest behaviors underpinning desirable properties and applications are often unknown. Solid-state nuclear magnetic resonance (SSNMR) is a powerful tool for MOF characterization as it provides information complementary to that from X-ray diffraction (XRD). We describe our novel pursuits in the three primary applications of SSNMR for MOF characterization: interrogating the metal center, targeting linker molecules, and probing guests. MOFs have relatively low densities, and the incorporated metals are often quadrupolar nuclei, making SSNMR detection difficult. Recently, we examined the local structures of metal centers (i.e., 25Mg, 47/49Ti, 63/65Cu, 67Zn, 69/71Ga, 91Zr, 115In, 135/137Ba, 139La, 27Al) in representative MOFs by SSNMR at a high magnetic field of 21.1 T, addressing several important issues: (1) resolving chemically and crystallographically nonequivalent metal sites; (2) exploring the origin of disorder around metals; (3) refining local metal geometry; (4) probing the effects of activation and adsorption on the metal local environment; and (5) monitoring in situ phase changes in MOFs. Organic linkers can be characterized by 1H, 13C, and 17O SSNMR. Although the framework structure can be determined by X-ray diffraction, hydrogen atoms cannot be accurately located, and thus the local structure about hydrogen is poorly characterized. Our work demonstrates that magic-angle spinning (MAS) experiments at very high magnetic field along with ultrafast spinning rates and isotope dilution enables one to obtain ultrahigh resolution 1H MAS spectra of MOFs, yielding structural information truly complementary to that obtained from single-crystal XRD. Oxygen is a key constituent of many important MOFs but 17O SSNMR work on MOFs is scarce due to the low natural abundance of 17O. 17O enriched MOFs can now be prepared in an efficient and economically feasible manner using solvothermal approaches involving labeled H217O water; the resulting 17O SSNMR spectra provide distinct spectral signatures of various key oxygen species in representative MOFs. MOFs are suitable for the capture of the greenhouse gas CO2 and the storage of energy carrier gases such as H2 and CH4. A better understanding of gas adsorption obtained using 13C, 2H, and 17O SSNMR will enable researchers to improve performance and realize practical applications for MOFs as gas adsorbents and carriers. The combination of SSNMR with XRD allows us to determine the number of adsorption sites in the framework, identify the location of binding sites, gain physical insight into the nature and strength of host-guest interactions, and understand guest dynamics.
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Affiliation(s)
- Bryan E. G. Lucier
- Department of Chemistry, The University of Western Ontario, 1151 Richmond Street, London, Ontario, Canada N6A 5B7
| | - Shoushun Chen
- Department of Chemistry, The University of Western Ontario, 1151 Richmond Street, London, Ontario, Canada N6A 5B7
| | - Yining Huang
- Department of Chemistry, The University of Western Ontario, 1151 Richmond Street, London, Ontario, Canada N6A 5B7
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Forse AC, Gonzalez MI, Siegelman RL, Witherspoon VJ, Jawahery S, Mercado R, Milner PJ, Martell JD, Smit B, Blümich B, Long JR, Reimer JA. Unexpected Diffusion Anisotropy of Carbon Dioxide in the Metal-Organic Framework Zn 2(dobpdc). J Am Chem Soc 2018; 140:1663-1673. [PMID: 29300483 PMCID: PMC8240119 DOI: 10.1021/jacs.7b09453] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Metal-organic frameworks are promising materials for energy-efficient gas separations, but little is known about the diffusion of adsorbates in materials featuring one-dimensional porosity at the nanoscale. An understanding of the interplay between framework structure and gas diffusion is crucial for the practical application of these materials as adsorbents or in mixed-matrix membranes, since the rate of gas diffusion within the adsorbent pores impacts the required size (and therefore cost) of the adsorbent column or membrane. Here, we investigate the diffusion of CO2 within the pores of Zn2(dobpdc) (dobpdc4- = 4,4'-dioxidobiphenyl-3,3'-dicarboxylate) using pulsed field gradient (PFG) nuclear magnetic resonance (NMR) spectroscopy and molecular dynamics (MD) simulations. The residual chemical shift anisotropy for pore-confined CO2 allows PFG NMR measurements of self-diffusion in different crystallographic directions, and our analysis of the entire NMR line shape as a function of the applied field gradient provides a precise determination of the self-diffusion coefficients. In addition to observing CO2 diffusion through the channels parallel to the crystallographic c axis (self-diffusion coefficient D∥ = (5.8 ± 0.1) × 10-9 m2 s-1 at a pressure of 625 mbar CO2), we unexpectedly find that CO2 is also able to diffuse between the hexagonal channels in the crystallographic ab plane (D⊥ = (1.9 ± 0.2) × 10-10 m2 s-1), despite the walls of these channels appearing impermeable by single-crystal X-ray crystallography and flexible lattice MD simulations. Observation of such unexpected diffusion in the ab plane suggests the presence of defects that enable effective multidimensional CO2 transport in a metal-organic framework with nominally one-dimensional porosity.
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Affiliation(s)
- Alexander C. Forse
- Department of Chemistry, University of California, Berkeley, California 94720, U.S.A
- Department of Chemical and Biomolecular Engineering, University of California, Berkeley, California 94720, U.S.A
- Berkeley Energy and Climate Institute, University of California, Berkeley, California 94720, U.S.A
| | - Miguel I. Gonzalez
- Department of Chemistry, University of California, Berkeley, California 94720, U.S.A
| | - Rebecca L. Siegelman
- Department of Chemistry, University of California, Berkeley, California 94720, U.S.A
| | - Velencia J. Witherspoon
- Department of Chemical and Biomolecular Engineering, University of California, Berkeley, California 94720, U.S.A
| | - Sudi Jawahery
- Department of Chemical and Biomolecular Engineering, University of California, Berkeley, California 94720, U.S.A
| | - Rocio Mercado
- Department of Chemical and Biomolecular Engineering, University of California, Berkeley, California 94720, U.S.A
| | - Phillip J. Milner
- Department of Chemistry, University of California, Berkeley, California 94720, U.S.A
| | - Jeffrey D. Martell
- Department of Chemistry, University of California, Berkeley, California 94720, U.S.A
| | - Berend Smit
- Department of Chemistry, University of California, Berkeley, California 94720, U.S.A
- Department of Chemical and Biomolecular Engineering, University of California, Berkeley, California 94720, U.S.A
- Institut des Sciences et Ingenierie Chimiques, Valais, École Polytechnique Fedérale de Lausanne (EPFL), Rue de l’Industrie 17, CH-1951 Sion, Switzerland
| | - Bernhard Blümich
- Institut für Technische und Makromolekulare Chemie (ITMC), RWTH Aachen University, Aachen, Germany
| | - Jeffrey R. Long
- Department of Chemistry, University of California, Berkeley, California 94720, U.S.A
- Department of Chemical and Biomolecular Engineering, University of California, Berkeley, California 94720, U.S.A
- Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, U.S.A
| | - Jeffrey A. Reimer
- Department of Chemical and Biomolecular Engineering, University of California, Berkeley, California 94720, U.S.A
- Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, U.S.A
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27
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Lu Y, Lucier BEG, Zhang Y, Ren P, Zheng A, Huang Y. Sizable dynamics in small pores: CO 2 location and motion in the α-Mg formate metal-organic framework. Phys Chem Chem Phys 2018; 19:6130-6141. [PMID: 28191584 DOI: 10.1039/c7cp00199a] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Metal-organic frameworks (MOFs) are promising materials for carbon dioxide (CO2) adsorption and storage; however, many details regarding CO2 dynamics and specific adsorption site locations within MOFs remain unknown, restricting the practical uses of MOFs for CO2 capture. The intriguing α-magnesium formate (α-Mg3(HCOO)6) MOF can adsorb CO2 and features a small pore size. Using an intertwined approach of 13C solid-state NMR (SSNMR) spectroscopy, 1H-13C cross-polarization SSNMR, and computational molecular dynamics (MD) simulations, new physical insights and a rich variety of information have been uncovered regarding CO2 adsorption in this MOF, including the surprising suggestion that CO2 motion is restricted at elevated temperatures. Guest CO2 molecules undergo a combined localized rotational wobbling and non-localized twofold jumping between adsorption sites. MD simulations and SSNMR experiments accurately locate the CO2 adsorption sites; the mechanism behind CO2 adsorption is the distant interaction between the hydrogen atom of the MOF formate linker and a guest CO2 oxygen atom, which are ca. 3.2 Å apart.
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Affiliation(s)
- Yuanjun Lu
- Department of Chemistry, The University of Western Ontario, 1151 Richmond Street, London, Ontario N6A 5B7, Canada.
| | - Bryan E G Lucier
- Department of Chemistry, The University of Western Ontario, 1151 Richmond Street, London, Ontario N6A 5B7, Canada.
| | - Yue Zhang
- Department of Chemistry, The University of Western Ontario, 1151 Richmond Street, London, Ontario N6A 5B7, Canada.
| | - Pengju Ren
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan, 030001, P. R. China and National Energy Center for Coal to Clean Fuels, Synfuels China Co., Ltd, Huairou District, Beijing, 101400, P. R. China
| | - Anmin Zheng
- State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Center for Magnetic Resonance, Wuhan Institute of Physics and Mathematics, the Chinese Academy of Sciences, Wuhan 430071, P. R. China
| | - Yining Huang
- Department of Chemistry, The University of Western Ontario, 1151 Richmond Street, London, Ontario N6A 5B7, Canada.
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28
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29
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Zhang Y, Lucier BEG, Terskikh VV, Zheng R, Huang Y. Tracking the evolution and differences between guest-induced phases of Ga-MIL-53 via ultra-wideline 69/71Ga solid-state NMR spectroscopy. SOLID STATE NUCLEAR MAGNETIC RESONANCE 2017; 84:118-131. [PMID: 28214103 DOI: 10.1016/j.ssnmr.2017.01.008] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/12/2016] [Revised: 01/28/2017] [Accepted: 01/30/2017] [Indexed: 06/06/2023]
Abstract
Ga-MIL-53 is a metal-organic framework (MOF) that exhibits a "breathing effect," in which the pore size and overall MOF topology can be influenced by temperature, pressure, and host-guest interactions. The phase control afforded by this flexible framework renders Ga-MIL-53 a promising material for guest storage and sensing applications. In this work, the structure and behavior of four Ga-MIL-53 phases (as, ht, enp and lt), along with CO2 adsorbed within Ga-MIL-53 at various loading levels, has been investigated using 69/71Ga solid-state NMR (SSNMR) experiments at 21.1T and 9.4T. 69/71Ga SSNMR spectra are observed to be very sensitive to distortions in the octahedral GaO6 secondary building units within Ga-MIL-53; by extension, Ga NMR parameters are indicative of the particular crystallographic phase of Ga-MIL-53. The evolution of Ga NMR parameters with CO2 loading levels in Ga-MIL-53 reveals that the specific CO2 loading level offers a profound degree of control over the MOF phase, and the data also suggests that a re-entrant phase transition is present. Adsorption of various organic compounds within Ga-MIL-53 has been investigated using a combination of thermal gravimetric analysis (TGA), powder X-ray diffraction (pXRD) and 69/71Ga SSNMR experiments. Notably, pXRD experiments reveal that guest adsorption and host-guest interactions trigger unambiguous changes in the long-range structure of Ga-MIL-53, while 69/71Ga SSNMR parameters yield valuable information regarding the effect of the organic adsorbates on the local GaO6 environments. This approach shows promise for the ultra-wideline investigation of other quadrupolar metal nuclei in MIL-53 (e.g., In-MIL-53) and MOFs in general, particularly in regards to adsorption-related applications.
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Affiliation(s)
- Yue Zhang
- Department of Chemistry, The University of Western Ontario, London, Ontario, Canada N6A 5B7
| | - Bryan E G Lucier
- Department of Chemistry, The University of Western Ontario, London, Ontario, Canada N6A 5B7
| | - Victor V Terskikh
- Department of Chemistry, University of Ottawa, Ottawa, Ontario, Canada K1N 6N5
| | - Renlong Zheng
- Department of Chemistry, The University of Western Ontario, London, Ontario, Canada N6A 5B7
| | - Yining Huang
- Department of Chemistry, The University of Western Ontario, London, Ontario, Canada N6A 5B7.
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30
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Bravo‐García L, Barandika G, Fidalgo‐Marijuan A, Bazan B, Urtiaga MK, Lezama L, Arriortua MI. Thermal and Magnetic Diversity in the Behaviour of the Cu
II
‐bdc‐bpa System: 1D, 2D and Interpenetrated 3D Frameworks. Eur J Inorg Chem 2016. [DOI: 10.1002/ejic.201600683] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- Laura Bravo‐García
- Departamento de Mineralogía y PetrologíaFacultad de Ciencia y TecnologíaUniversidad del País Vasco (UPV/EHU)Barrio Sarriena s/n48940LeioaSpain
| | - Gotzone Barandika
- Departamento de Química InorgánicaFacultad de Ciencia y TecnologíaUniversidad del País Vasco (UPV/EHU)Barrio Sarriena s/n48940LeioaSpain
- BCMaterialsParque Tecnológico de ZamudioIbaizabal BideaEdificio 500‐Planta 148160DerioSpain
| | - Arkaitz Fidalgo‐Marijuan
- Departamento de Mineralogía y PetrologíaFacultad de Ciencia y TecnologíaUniversidad del País Vasco (UPV/EHU)Barrio Sarriena s/n48940LeioaSpain
| | - Begoña Bazan
- Departamento de Mineralogía y PetrologíaFacultad de Ciencia y TecnologíaUniversidad del País Vasco (UPV/EHU)Barrio Sarriena s/n48940LeioaSpain
- BCMaterialsParque Tecnológico de ZamudioIbaizabal BideaEdificio 500‐Planta 148160DerioSpain
| | - Miren Karmele Urtiaga
- Departamento de Mineralogía y PetrologíaFacultad de Ciencia y TecnologíaUniversidad del País Vasco (UPV/EHU)Barrio Sarriena s/n48940LeioaSpain
| | - Luis Lezama
- Departamento de Química InorgánicaFacultad de Ciencia y TecnologíaUniversidad del País Vasco (UPV/EHU)Barrio Sarriena s/n48940LeioaSpain
- BCMaterialsParque Tecnológico de ZamudioIbaizabal BideaEdificio 500‐Planta 148160DerioSpain
| | - María Isabel Arriortua
- Departamento de Mineralogía y PetrologíaFacultad de Ciencia y TecnologíaUniversidad del País Vasco (UPV/EHU)Barrio Sarriena s/n48940LeioaSpain
- BCMaterialsParque Tecnológico de ZamudioIbaizabal BideaEdificio 500‐Planta 148160DerioSpain
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31
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Hierarchical Structure and Molecular Dynamics of Metal-Organic Framework as Characterized by Solid State NMR. J CHEM-NY 2016. [DOI: 10.1155/2016/6510253] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Metal-organic framework (MOF) stands out as a promising material with great potential in application areas, such as gas separation and catalysis, due to its extraordinary properties. In order to fully characterize the structure of MOFs, especially those without single crystal, Solid State NMR (SSNMR) is an indispensable tool. As a complimentary analytical technique to X-ray diffraction, SSNMR could provide detailed atomic level structure information. Meanwhile, SSNMR can characterize molecular dynamics over a wide dynamics range. In this review, selected applications of SSNMR on various MOFs are summarized and discussed.
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32
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Xu Y, Southern SA, Szell PMJ, Bryce DL. The role of solid-state nuclear magnetic resonance in crystal engineering. CrystEngComm 2016. [DOI: 10.1039/c6ce01206j] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
This Highlight article discusses the role of solid-state NMR spectroscopy in crystal engineering with the aid of several examples from the literature.
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Affiliation(s)
- Yijue Xu
- Department of Chemistry and Biomolecular Sciences
- University of Ottawa
- Ottawa, Ontario K1N6N5 Canada
| | - Scott A. Southern
- Department of Chemistry and Biomolecular Sciences
- University of Ottawa
- Ottawa, Ontario K1N6N5 Canada
| | - Patrick M. J. Szell
- Department of Chemistry and Biomolecular Sciences
- University of Ottawa
- Ottawa, Ontario K1N6N5 Canada
| | - David L. Bryce
- Department of Chemistry and Biomolecular Sciences
- University of Ottawa
- Ottawa, Ontario K1N6N5 Canada
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