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He C, Li S, Xiao Y, Xu J, Deng F. Application of solid-state NMR techniques for structural characterization of metal-organic frameworks. SOLID STATE NUCLEAR MAGNETIC RESONANCE 2022; 117:101772. [PMID: 35016011 DOI: 10.1016/j.ssnmr.2022.101772] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 12/27/2021] [Accepted: 01/03/2022] [Indexed: 06/14/2023]
Abstract
Solid-state NMR can afford the structural information about the chemical composition, local environment, and spatial coordination at the atomic level, which has been extensively applied to characterize the detailed structure and host-guest interactions in metal-organic frameworks (MOFs). In this review, recent advances for the structural characterizations of MOFs using versatile solid-state NMR techniques were briefly introduced. High-field sensitivity-enhanced solid-state NMR method enabled the direct observation of metal centers in MOFs containing low-γ nuclei. Two-dimensional (2D) homo- and hetero-nuclear correlation MAS NMR experiments provided the spatial proximity among linkers, metal clusters and the introduced guest molecules. Moreover, quantitative measurement of inter-nuclear distances using solid-state NMR provided valuable structural information about the connectivity geometry as well as the host-guest interactions within MOFs. Furthermore, solid-state NMR has exhibited great potential for unraveling the structure property of MOFs containing paramagnetic metal centers.
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Affiliation(s)
- Caiyan He
- 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, Wuhan, 430071, PR China; University of Chinese Academy of Sciences, Beijing, 100049, PR 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, Wuhan, 430071, PR China; University of Chinese Academy of Sciences, Beijing, 100049, PR China.
| | - Yuqing Xiao
- 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, Wuhan, 430071, PR China; University of Chinese Academy of Sciences, Beijing, 100049, PR 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, Wuhan, 430071, PR China; University of Chinese Academy of Sciences, Beijing, 100049, PR 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, Wuhan, 430071, PR China; University of Chinese Academy of Sciences, Beijing, 100049, PR China.
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Adil HI, Thalji MR, Yasin SA, Saeed IA, Assiri MA, Chong KF, Ali GAM. Metal-organic frameworks (MOFs) based nanofiber architectures for the removal of heavy metal ions. RSC Adv 2022; 12:1433-1450. [PMID: 35425211 PMCID: PMC8979196 DOI: 10.1039/d1ra07034g] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2021] [Accepted: 12/08/2021] [Indexed: 12/16/2022] Open
Abstract
Environmental heavy metal ions (HMIs) accumulate in living organisms and cause various diseases. Metal-organic frameworks (MOFs) have proven to be promising and effective materials for removing heavy metal ions from contaminated water because of their high porosity, remarkable physical and chemical properties, and high specific surface area. MOFs are self-assembling metal ions or clusters with organic linkers. Metals are used as dowel pins to build two-dimensional or three-dimensional frameworks, and organic linkers serve as carriers. Modern research has mainly focused on designing MOFs-based materials with improved adsorption and separation properties. In this review, for the first time, an in-depth look at the use of MOFs nanofiber materials for HMIs removal applications is provided. This review will focus on the synthesis, properties, and recent advances and provide an understanding of the opportunities and challenges that will arise in the synthesis of future MOFs-nanofiber composites in this area. MOFs decorated on nanofibers possess rapid adsorption kinetics, a high adsorption capacity, excellent selectivity, and good reusability. In addition, the substantial adsorption capacities are mainly due to interactions between the target ions and functional binding groups on the MOFs-nanofiber composites and the highly ordered porous structure.
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Affiliation(s)
| | | | - Suhad A Yasin
- College of Science, University of Duhok Duhok 42001 Iraq
| | | | - Mohammed A Assiri
- Research Center for Advanced Materials Science (RCAMS), King Khalid University Abha Kingdom of Saudi Arabia
- Department of Chemistry, Faculty of Science, King Khalid University P.O. Box 9004 Abha 61413 Saudi Arabia
| | - Kwok Feng Chong
- Faculty of Industrial Sciences & Technology, Universiti Malaysia Pahang Gambang 26300 Kuantan Malaysia
| | - Gomaa A M Ali
- Chemistry Department, Faculty of Science, Al-Azhar University Assiut 71524 Egypt
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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: 22] [Impact Index Per Article: 5.5] [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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Abstract
The majority of research into metal-organic frameworks (MOFs) focuses on their crystalline nature. Recent research has revealed solid-liquid transitions within the family, which we use here to create a class of functional, stable and porous composite materials. Described herein is the design, synthesis, and characterisation of MOF crystal-glass composites, formed by dispersing crystalline MOFs within a MOF-glass matrix. The coordinative bonding and chemical structure of a MIL-53 crystalline phase are preserved within the ZIF-62 glass matrix. Whilst separated phases, the interfacial interactions between the closely contacted microdomains improve the mechanical properties of the composite glass. More significantly, the high temperature open pore phase of MIL-53, which spontaneously transforms to a narrow pore upon cooling in the presence of water, is stabilised at room temperature in the crystal-glass composite. This leads to a significant improvement of CO2 adsorption capacity. The formation of composite materials has been widely exploited to alter the chemical and physical properties of their components. Here the authors form metal–organic framework (MOF) crystal–glass composites in which a MOF glass matrix stabilises the open pore structure of MIL-53, leading to enhanced CO2 adsorption.
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Smolders S, Willhammar T, Krajnc A, Sentosun K, Wharmby MT, Lomachenko KA, Bals S, Mali G, Roeffaers MBJ, De Vos DE, Bueken B. A Titanium(IV)‐Based Metal–Organic Framework Featuring Defect‐Rich Ti‐O Sheets as an Oxidative Desulfurization Catalyst. Angew Chem Int Ed Engl 2019; 58:9160-9165. [DOI: 10.1002/anie.201904347] [Citation(s) in RCA: 61] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Indexed: 11/06/2022]
Affiliation(s)
- Simon Smolders
- Centre for Surface Chemistry and CatalysisKU Leuven Celestijnenlaan 200F p.o. box 2461 3001 Leuven Belgium
| | - Tom Willhammar
- Department of Materials and Environmental ChemistryStockholm University Svante Arrhenius väg 16C 10691 Stockholm Sweden
| | - Andraž Krajnc
- Department of Inorganic Chemistry and TechnologyNational Institute of Chemistry Hajdrihova 19 1001 Ljubljana Slovenia
| | - Kadir Sentosun
- EMATUniversity of Antwerp Groenenborgerlaan 171 2020 Antwerp Belgium
| | | | - Kirill A. Lomachenko
- European Synchrotron Radiation Facility Avenue des Martyrs 71, CS 40220 38043 Grenoble Cedex 9 France
| | - Sara Bals
- EMATUniversity of Antwerp Groenenborgerlaan 171 2020 Antwerp Belgium
| | - Gregor Mali
- Department of Inorganic Chemistry and TechnologyNational Institute of Chemistry Hajdrihova 19 1001 Ljubljana Slovenia
| | - Maarten B. J. Roeffaers
- Centre for Surface Chemistry and CatalysisKU Leuven Celestijnenlaan 200F p.o. box 2461 3001 Leuven Belgium
| | - Dirk E. De Vos
- Centre for Surface Chemistry and CatalysisKU Leuven Celestijnenlaan 200F p.o. box 2461 3001 Leuven Belgium
| | - Bart Bueken
- Centre for Surface Chemistry and CatalysisKU Leuven Celestijnenlaan 200F p.o. box 2461 3001 Leuven Belgium
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Smolders S, Willhammar T, Krajnc A, Sentosun K, Wharmby MT, Lomachenko KA, Bals S, Mali G, Roeffaers MBJ, De Vos DE, Bueken B. A Titanium(IV)‐Based Metal–Organic Framework Featuring Defect‐Rich Ti‐O Sheets as an Oxidative Desulfurization Catalyst. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201904347] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Simon Smolders
- Centre for Surface Chemistry and CatalysisKU Leuven Celestijnenlaan 200F p.o. box 2461 3001 Leuven Belgium
| | - Tom Willhammar
- Department of Materials and Environmental ChemistryStockholm University Svante Arrhenius väg 16C 10691 Stockholm Sweden
| | - Andraž Krajnc
- Department of Inorganic Chemistry and TechnologyNational Institute of Chemistry Hajdrihova 19 1001 Ljubljana Slovenia
| | - Kadir Sentosun
- EMATUniversity of Antwerp Groenenborgerlaan 171 2020 Antwerp Belgium
| | | | - Kirill A. Lomachenko
- European Synchrotron Radiation Facility Avenue des Martyrs 71, CS 40220 38043 Grenoble Cedex 9 France
| | - Sara Bals
- EMATUniversity of Antwerp Groenenborgerlaan 171 2020 Antwerp Belgium
| | - Gregor Mali
- Department of Inorganic Chemistry and TechnologyNational Institute of Chemistry Hajdrihova 19 1001 Ljubljana Slovenia
| | - Maarten B. J. Roeffaers
- Centre for Surface Chemistry and CatalysisKU Leuven Celestijnenlaan 200F p.o. box 2461 3001 Leuven Belgium
| | - Dirk E. De Vos
- Centre for Surface Chemistry and CatalysisKU Leuven Celestijnenlaan 200F p.o. box 2461 3001 Leuven Belgium
| | - Bart Bueken
- Centre for Surface Chemistry and CatalysisKU Leuven Celestijnenlaan 200F p.o. box 2461 3001 Leuven Belgium
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Metal-organic framework glasses with permanent accessible porosity. Nat Commun 2018; 9:5042. [PMID: 30487589 PMCID: PMC6262007 DOI: 10.1038/s41467-018-07532-z] [Citation(s) in RCA: 96] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Accepted: 11/08/2018] [Indexed: 01/18/2023] Open
Abstract
To date, only several microporous, and even fewer nanoporous, glasses have been produced, always via post synthesis acid treatment of phase separated dense materials, e.g. Vycor glass. In contrast, high internal surface areas are readily achieved in crystalline materials, such as metal-organic frameworks (MOFs). It has recently been discovered that a new family of melt quenched glasses can be produced from MOFs, though they have thus far lacked the accessible and intrinsic porosity of their crystalline precursors. Here, we report the first glasses that are permanently and reversibly porous toward incoming gases, without post-synthetic treatment. We characterize the structure of these glasses using a range of experimental techniques, and demonstrate pores in the range of 4 – 8 Å. The discovery of MOF glasses with permanent accessible porosity reveals a new category of porous glass materials that are elevated beyond conventional inorganic and organic porous glasses by their diversity and tunability. Metal–organic framework glasses have emerged as a new family of melt-quenched glass, but have yet to display the accessible porosity of their crystalline counterparts. Here, Bennett and colleagues report that glasses derived from ZIF-76 parent materials possess 4 – 8 Å pores and exhibit reversible gas adsorption.
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Sapnik AF, Geddes HS, Reynolds EM, Yeung HHM, Goodwin AL. Compositional inhomogeneity and tuneable thermal expansion in mixed-metal ZIF-8 analogues. Chem Commun (Camb) 2018; 54:9651-9654. [PMID: 30101236 DOI: 10.1039/c8cc04172e] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
We study the structural and thermomechanical effects of cation substitution in the compositional family of metal-organic frameworks Zn1-xCdx(mIm)2 (HmIm = 2-methylimidazole). We find complete miscibility for all compositions x, with evidence of inhomogeneous distributions of Cd and Zn that in turn affect framework aperture characteristics. Using variable-temperature X-ray powder diffraction measurements, we show that Cd substitution drives a threefold reduction in the magnitude of thermal expansion behaviour. We interpret this effect in terms of an increased density of negative thermal expansion modes in the more flexible Cd-rich frameworks.
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Affiliation(s)
- Adam F Sapnik
- Department of Chemistry, University of Oxford, Inorganic Chemistry Laboratory, South Parks Road, Oxford OX1 3QR, UK.
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Martineau-Corcos C. NMR Crystallography: A tool for the characterization of microporous hybrid solids. Curr Opin Colloid Interface Sci 2018. [DOI: 10.1016/j.cocis.2018.01.009] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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