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Fard NE, Ali NS, Saady NMC, Albayati TM, Salih IK, Zendehboudi S, Harharah HN, Harharah RH. A review on development and modification strategies of MOFs Z-scheme heterojunction for photocatalytic wastewater treatment, water splitting, and DFT calculations. Heliyon 2024; 10:e32861. [PMID: 39027550 PMCID: PMC11255594 DOI: 10.1016/j.heliyon.2024.e32861] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2024] [Revised: 06/06/2024] [Accepted: 06/11/2024] [Indexed: 07/20/2024] Open
Abstract
Increasing water pollution and decreasing energy reserves have emerged as growing concerns for the environment. These pollution are due to the dangerous effects of numerous pollutants on humans and aquatic organisms, such as hydrocarbons, biphenyls, pesticides, dyes, pharmaceuticals, and metal ions. On the other hand, the need for a clean environment, finding alternatives to fossil and renewable fuels is very important. Hydrogen (H2) is regarded as a viable and promising substitute for fossil fuels, and a range of methodologies have been devised to generate this particular source of energy. Metal-organic frameworks (MOFs) are a new generation of nanoporous coordination polymers whose crystal structure is composed of the juxtaposition of organic and inorganic constituent units. Due to their flexible nature, regular structure, and high surface area, these materials have attracted much attention for removing various pollutants from water and wastewater, and water splitting. MOFs Z-scheme heterojunctions have been identified as an economical and eco-friendly method for eliminating pollutants from wastewater systems, and producing H2. Their low-cost synthesis and unique properties increase their application in various energy and environment fields. The heterojunctions possess diverse properties, such as exceptional surface area, making them ideal for degradation and separation. The development and formulation of Z-scheme heterojunctions photocatalytic systems using MOFs, which possess stable and potent redox capability, have emerged as a successful approach for addressing environmental pollution and energy shortages in recent times. Through the utilization of the benefits offered by MOFs Z-scheme heterojunctions photocatalysts, such as efficient separation and migration of charge carriers, extensive spectrum of light absorption, among other advantages, notable enhancements can be attained. This review encompasses the synthesis techniques, structure, and properties of MOFs Z-scheme heterojunctions, and their extensive use in treating various wastewaters, including dyes, pharmaceuticals, and heavy metals, and water splitting. Also, it provides an overview of the mechanisms, pathways, and various theoretical and practical aspects for MOFs Z-scheme heterojunctions. Finally, it thoroughly assesses existing challenges and suggests further research on the promising applications of MOFs Z-scheme in industrial-scale wastewater treatment.
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Affiliation(s)
- Narges Elmi Fard
- Department of Chemistry, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Nisreen S. Ali
- Materials Engineering Department, College of Engineering, Mustansiriyah University, Baghdad, Iraq
| | - Noori M. Cata Saady
- Department of Civil Engineering, Memorial University, St. John's, NL, A1B 3X5, Canada
| | - Talib M. Albayati
- Department of Chemical Engineering, University of Technology- Iraq, 52 Alsinaa St., PO Box, 35010, Baghdad, Iraq
| | - Issam K. Salih
- Department of Chemical Engineering and Petroleum Industries, Al-Mustaqbal University College, Babylon, 51001, Iraq
| | - Sohrab Zendehboudi
- Department of Process Engineering, Memorial University, St. John's, NL, A1B 3X5, Canada
| | - Hamed N. Harharah
- Department of Chemical Engineering, College of Engineering, King Khalid University, Abha 61411, Kingdom of Saudi Arabia
| | - Ramzi H. Harharah
- Department of Chemical and Process Engineering, Faculty of Engineering & Built Environment, Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia
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2
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Cheng R, Wan Y, Mao X, Wan H, Liu F, Guo L, Zhang B. Regulating the defects of MIL-101(Cr) for the efficient and simultaneous determination of eleven plant growth regulators in fresh fruit juice. Food Chem 2024; 444:138666. [PMID: 38341916 DOI: 10.1016/j.foodchem.2024.138666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 02/01/2024] [Accepted: 02/02/2024] [Indexed: 02/13/2024]
Abstract
This work presents an efficient sorbent for plant growth regulators (PGRs) by regulating the defects of a metal-organic framework MIL-101(Cr). Using the regulated MIL-101(Cr), we developed a simple and effective method for the simultaneous determination of eleven PGRs in fresh fruit juice. The extraction conditions were optimized by an orthogonal array design. Under optimal conditions, the method showed a satisfactory limit of detection (0.1-1.2 ng/g), recovery rates (83.4-110.2 %), and precision (2.9-18.0 % for intra-day and 2.7-10.8 % for inter-day), as well as a greatly suppressed matrix effect. Notably, regulating the defects significantly enhanced the desorption of PGRs on MIL-101(Cr). The sorbent didn't need to be destroyed to release the adsorbed PGRs and could be reused at least 6 times. Furthermore, the defects of MIL-101(Cr) and interactions between the sorbent and PGRs were studied by TGA, ATR-IR, XPS, NH3-TPD and UV-Vis DRS.
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Affiliation(s)
- Rui Cheng
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, People's Republic of China
| | - Yiqun Wan
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, People's Republic of China; State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang 330047, People's Republic of China; Jiangxi Province Key Laboratory of Modern Analytical Science, Nanchang University, Nanchang 330031, People's Republic of China.
| | - Xuejin Mao
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang 330047, People's Republic of China.
| | - Hao Wan
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang 330047, People's Republic of China
| | - Fan Liu
- Jiangxi Province Key Laboratory of Modern Analytical Science, Nanchang University, Nanchang 330031, People's Republic of China
| | - Lan Guo
- Jiangxi Province Key Laboratory of Modern Analytical Science, Nanchang University, Nanchang 330031, People's Republic of China
| | - Bingzhen Zhang
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, People's Republic of China
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3
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Kulandaivel S, Yang CC, Yeh YC, Lin CH. Defect Induced Structural Transition and Lipase Immobilization in Mesoporous Aluminum Metal-Organic Frameworks. Chemistry 2024; 30:e202400603. [PMID: 38613137 DOI: 10.1002/chem.202400603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2024] [Revised: 04/10/2024] [Accepted: 04/11/2024] [Indexed: 04/14/2024]
Abstract
The transition from disorder to order and structural transformation are distinctive metal-organic framework (MOF) features. How to adapt or control both behaviors in MOF has rarely been studied. In this case, we demonstrate that our successful synthesis of [Al(OH)(PDA)]n (AlPDA-53-DEF, AlPDA-53-H, and AlPDA-68) with H2PDA=4,4'-[1,4-phenylenebis(ethyne-2,1-diyl)]-di benzoic acid has shown the intricate world of Aluminum Metal-Organic Frameworks (Al-MOFs). It offers profound insights into defect structures to order and transformations. AlPDA-53-DEF, in particular, revealed a fascinating interplay of various pore sizes within both micro and mesoporous regions, unveiling a unique lattice rearrangement phenomenon upon solvent desorption. Defects and disorders emerged as crucial impacts of transforming AlPDA-53-DEF, with its initially imperfect crystallinity, into the highly crystalline, hierarchically porous AlPDA-53-H.
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Affiliation(s)
| | - Chun-Chuen Yang
- Department of Physics, National Central University, Taoyuan City, 32023, Taiwan
| | - Yi-Chun Yeh
- Department of Chemistry, National Taiwan Normal University, Taipei, 11677, Taiwan
| | - Chia-Her Lin
- Department of Chemistry, National Taiwan Normal University, Taipei, 11677, Taiwan
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4
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Chetry S, Lukman MF, Bon V, Warias R, Fuhrmann D, Möllmer J, Belder D, Gopinath CS, Kaskel S, Pöppl A, Krautscheid H. Exploring Defect-Engineered Metal-Organic Frameworks with 1,2,4-Triazolyl Isophthalate and Benzoate Linkers. Inorg Chem 2024; 63:10843-10853. [PMID: 38810089 PMCID: PMC11167641 DOI: 10.1021/acs.inorgchem.4c01589] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2024] [Revised: 05/20/2024] [Accepted: 05/23/2024] [Indexed: 05/31/2024]
Abstract
Synthesis and characterization of DEMOFs (defect-engineered metal-organic frameworks) with coordinatively unsaturated sites (CUSs) for gas adsorption, catalysis, and separation are reported. We use the mixed-linker approach to introduce defects in Cu2-paddle wheel units of MOFs [Cu2(Me-trz-ia)2] by replacing up to 7% of the 3-methyl-triazolyl isophthalate linker (1L2-) with the "defective linker" 3-methyl-triazolyl m-benzoate (2L-), causing uncoordinated equatorial sites. PXRD of DEMOFs shows broadened reflections; IR and Raman analysis demonstrates only marginal changes as compared to the regular MOF (ReMOF, without a defective linker). The concentration of the integrated defective linker in DEMOFs is determined by 1H NMR and HPLC, while PXRD patterns reveal that DEMOFs maintain phase purity and crystallinity. Combined XPS (X-ray photoelectron spectroscopy) and cw EPR (continuous wave electron paramagnetic resonance) spectroscopy analyses provide insights into the local structure of defective sites and charge balance, suggesting the presence of two types of defects. Notably, an increase in CuI concentration is observed with incorporation of defective linkers, correlating with the elevated isosteric heat of adsorption (ΔHads). Overall, this approach offers valuable insights into the creation and evolution of CUSs within MOFs through the integration of defective linkers.
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Affiliation(s)
- Sibo Chetry
- Faculty
of Chemistry and Mineralogy, Universität
Leipzig, Johannisallee
29, Leipzig 04103, Germany
| | - Muhammad Fernadi Lukman
- Felix-Bloch-Institute
of Solid-State Physics, Faculty of Physics and Earth Sciences, Universität Leipzig, Linnéstrasse 5, Leipzig 04103, Germany
| | - Volodymyr Bon
- Faculty
of Chemistry and Food Chemistry, Department of Inorganic Chemistry
I, Technische Universität Dresden, Bergstrasse 66, Dresden 01069, Germany
| | - Rico Warias
- Faculty
of Chemistry and Mineralogy, Universität
Leipzig, Johannisallee
29, Leipzig 04103, Germany
| | - Daniel Fuhrmann
- Faculty
of Chemistry and Mineralogy, Universität
Leipzig, Johannisallee
29, Leipzig 04103, Germany
| | - Jens Möllmer
- Institut
für Nichtklassische Chemie e.V., Permoserstraße 15, Leipzig 04318, Germany
| | - Detlev Belder
- Faculty
of Chemistry and Mineralogy, Universität
Leipzig, Johannisallee
29, Leipzig 04103, Germany
| | - Chinnakonda S. Gopinath
- Catalysis
and Inorganic Chemistry Division, CSIR −
National Chemical Laboratory, Dr Homi Bhabha Road, Pune 411 008, India
| | - Stefan Kaskel
- Faculty
of Chemistry and Food Chemistry, Department of Inorganic Chemistry
I, Technische Universität Dresden, Bergstrasse 66, Dresden 01069, Germany
| | - Andreas Pöppl
- Felix-Bloch-Institute
of Solid-State Physics, Faculty of Physics and Earth Sciences, Universität Leipzig, Linnéstrasse 5, Leipzig 04103, Germany
| | - Harald Krautscheid
- Faculty
of Chemistry and Mineralogy, Universität
Leipzig, Johannisallee
29, Leipzig 04103, Germany
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5
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Jamdade S, Yu Z, Boulfelfel SE, Cai X, Thyagarajan R, Fang H, Sholl DS. Probing Structural Defects in MOFs Using Water Stability. THE JOURNAL OF PHYSICAL CHEMISTRY. C, NANOMATERIALS AND INTERFACES 2024; 128:3975-3984. [PMID: 38476825 PMCID: PMC10926153 DOI: 10.1021/acs.jpcc.3c07497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 01/19/2024] [Accepted: 02/02/2024] [Indexed: 03/14/2024]
Abstract
Defects in the crystal structures of metal-organic frameworks (MOFs), whether present intrinsically or introduced via so-called defect engineering, can play strong roles in the properties of MOFs for various applications. Unfortunately, direct experimental detection and characterization of defects in MOFs are very challenging. We show that in many cases, the differences between experimentally observed and computationally predicted water stabilities of MOFs can be used to deduce information on the presence of point defects in real materials. Most computational studies of MOFs consider these materials to be defect-free, and in many cases, the resulting structures are predicted to be hydrophobic. Systematic experimental studies, however, have shown that many MOFs are hydrophilic. We show that the existence of chemically plausible point defects can often account for this discrepancy and use this observation in combination with detailed molecular simulations to assess the impact of local defects and flexibility in a variety of MOFs for which defects had not been considered previously.
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Affiliation(s)
- Shubham Jamdade
- School
of Chemical & Biomolecular Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0100, United States
| | - Zhenzi Yu
- School
of Chemical & Biomolecular Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0100, United States
| | - Salah Eddine Boulfelfel
- School
of Chemical & Biomolecular Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0100, United States
| | - Xuqing Cai
- School
of Chemical & Biomolecular Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0100, United States
| | - Raghuram Thyagarajan
- School
of Chemical & Biomolecular Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0100, United States
| | - Hanjun Fang
- School
of Chemical & Biomolecular Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0100, United States
| | - David S. Sholl
- School
of Chemical & Biomolecular Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0100, United States
- Oak
Ridge National Laboratory, Oak Ridge, Tennessee 37830, United States
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6
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Velisoju VK, Cerrillo JL, Ahmad R, Mohamed HO, Attada Y, Cheng Q, Yao X, Zheng L, Shekhah O, Telalovic S, Narciso J, Cavallo L, Han Y, Eddaoudi M, Ramos-Fernández EV, Castaño P. Copper nanoparticles encapsulated in zeolitic imidazolate framework-8 as a stable and selective CO 2 hydrogenation catalyst. Nat Commun 2024; 15:2045. [PMID: 38448464 PMCID: PMC10918174 DOI: 10.1038/s41467-024-46388-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2023] [Accepted: 02/23/2024] [Indexed: 03/08/2024] Open
Abstract
Metal-organic frameworks have drawn attention as potential catalysts owing to their unique tunable surface chemistry and accessibility. However, their application in thermal catalysis has been limited because of their instability under harsh temperatures and pressures, such as the hydrogenation of CO2 to methanol. Herein, we use a controlled two-step method to synthesize finely dispersed Cu on a zeolitic imidazolate framework-8 (ZIF-8). This catalyst suffers a series of transformations during the CO2 hydrogenation to methanol, leading to ~14 nm Cu nanoparticles encapsulated on the Zn-based MOF that are highly active (2-fold higher methanol productivity than the commercial Cu-Zn-Al catalyst), very selective (>90%), and remarkably stable for over 150 h. In situ spectroscopy, density functional theory calculations, and kinetic results reveal the preferential adsorption sites, the preferential reaction pathways, and the reverse water gas shift reaction suppression over this catalyst. The developed material is robust, easy to synthesize, and active for CO2 utilization.
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Affiliation(s)
- Vijay K Velisoju
- Multiscale Reaction Engineering, KAUST Catalysis Center (KCC), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Jose L Cerrillo
- KAUST Catalysis Center (KCC), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Rafia Ahmad
- KAUST Catalysis Center (KCC), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Hend Omar Mohamed
- Multiscale Reaction Engineering, KAUST Catalysis Center (KCC), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Yerrayya Attada
- Multiscale Reaction Engineering, KAUST Catalysis Center (KCC), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Qingpeng Cheng
- KAUST Catalysis Center (KCC), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
- King Abdullah University of Science and Technology (KAUST), Physical Sciences and Engineering Division, Advanced Membranes and Porous Materials (AMPM) Center, Thuwal, 23955-6900, Saudi Arabia
| | - Xueli Yao
- Multiscale Reaction Engineering, KAUST Catalysis Center (KCC), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Lirong Zheng
- Beijing Synchrotron Radiation Facility, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, China
| | - Osama Shekhah
- King Abdullah University of Science and Technology (KAUST), Physical Sciences and Engineering Division, Advanced Membranes and Porous Materials (AMPM) Center, Thuwal, 23955-6900, Saudi Arabia
| | - Selvedin Telalovic
- KAUST Catalysis Center (KCC), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Javier Narciso
- Laboratorio de Materiales Avanzados, Departamento de Química Inorgánica - Instituto Universitario de Materiales de Alicante, Universidad de Alicante, Apartado 99, E-03080, Alicante, Spain
| | - Luigi Cavallo
- KAUST Catalysis Center (KCC), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Yu Han
- KAUST Catalysis Center (KCC), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
- King Abdullah University of Science and Technology (KAUST), Physical Sciences and Engineering Division, Advanced Membranes and Porous Materials (AMPM) Center, Thuwal, 23955-6900, Saudi Arabia
| | - Mohamed Eddaoudi
- King Abdullah University of Science and Technology (KAUST), Physical Sciences and Engineering Division, Advanced Membranes and Porous Materials (AMPM) Center, Thuwal, 23955-6900, Saudi Arabia
| | - Enrique V Ramos-Fernández
- Laboratorio de Materiales Avanzados, Departamento de Química Inorgánica - Instituto Universitario de Materiales de Alicante, Universidad de Alicante, Apartado 99, E-03080, Alicante, Spain
- Advanced Catalytic Materials (ACM), KAUST Catalysis Center (KCC), KAUST, Thuwal, Saudi Arabia
| | - Pedro Castaño
- Multiscale Reaction Engineering, KAUST Catalysis Center (KCC), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia.
- Chemical Engineering Program, Physical Science and Engineering (PSE) Division, KAUST, Thuwal, Saudi Arabia.
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7
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Afrin S, Yang X, Morris AJ, Grumstrup EM. Rapid Exciton Transport and Structural Defects in Individual Porphyrinic Metal Organic Framework Microcrystals. J Am Chem Soc 2024; 146:4309-4313. [PMID: 38330249 PMCID: PMC10885150 DOI: 10.1021/jacs.3c12275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2024]
Abstract
To date, spectroscopic characterization of porphyrin-based metal organic frameworks (MOFs) has relied almost exclusively on ensemble techniques, which provide only structurally averaged insight into the functional properties of these promising photochemical platforms. This work employs time-resolved pump-probe microscopy to probe ultrafast dynamics in PCN-222 MOF single crystals. The simultaneous high spatial and temporal resolution of the technique enables the correlation of spectroscopic observables to both inter- and intracrystal structural heterogeneity. The pump-probe measurements show that significant differences in the excited state lifetime exist between individual PCN-222 crystals of an ensemble. On a single PCN-222 crystal, differences in excited state lifetime and photoluminescence quantum yield are found to correlate to microscale structural defects introduced at crystallization. Pump probe microscopy also enables the direct measurement of excited state transport. Imaging of exciton transport on individual MOF crystals reveals rapid, but subdiffusive exciton transport which slows on the 10s of ps time scale. Time-averaged exciton diffusion coefficients over the first 200 ps span a range of 0.27 to 1.0 cm2/s, indicating that excited states are rapidly transported through the porphyrin network of PCN-222 before being trapped. Together, these single-particle-resolved measurements provide important new insight into the role played by structural defects on the photochemical functionality of porphyrin-based MOFs.
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Affiliation(s)
- Sajia Afrin
- Department of Chemistry and Biochemistry, Montana State University, Bozeman, Montana 59717, United States
- Montana Materials Science Program, Montana State University, Bozeman, Montana 59717, United States
| | - Xiaozhou Yang
- Department of Chemistry, Virginia Tech, Blacksburg, Virginia 24061, United States
| | - Amanda J Morris
- Department of Chemistry, Virginia Tech, Blacksburg, Virginia 24061, United States
| | - Erik M Grumstrup
- Department of Chemistry and Biochemistry, Montana State University, Bozeman, Montana 59717, United States
- Montana Materials Science Program, Montana State University, Bozeman, Montana 59717, United States
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8
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Yang D, Gates BC. Characterization, Structure, and Reactivity of Hydroxyl Groups on Metal-Oxide Cluster Nodes of Metal-Organic Frameworks: Structural Diversity and Keys to Reactivity and Catalysis. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2305611. [PMID: 37660323 DOI: 10.1002/adma.202305611] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 08/22/2023] [Indexed: 09/05/2023]
Abstract
Among the most stable metal-organic frameworks (MOFs) are those incorporating nodes that are metal oxide clusters with frames such as Zr6 O8 . This review is a summary of the structure, bonding, and reactivity of MOF node hydroxyl groups, emphasizing those bonded to nodes containing aluminum and zirconium ions. Hydroxyl groups are often present on these nodes, sometimes balancing the charges of the metal ions. They arise during MOF syntheses in aqueous media or in post-synthesis treatments. They are identified with infrared and 1 H nuclear magnetic resonance spectroscopies and characterized by their reactivities with polar compounds such as alcohols. Terminal OH, paired µ2 -OH, and aqua groups on nodes are catalytic sites in numerous reactions. Relatively unreactive hydroxyl groups (such as isolated µ2 -OH groups) may replace reactive groups and inhibit catalysis; some node hydroxyl groups (e.g., µ3 -OH) are mere spectators in catalysis. There are similarities between MOF node hydroxyl groups and those on the surfaces of bulk metal oxides, zeolites, and enzymes, but the comparisons are mostly inexact, and much remains to be understood about MOF node hydroxyl group chemistry. It is posited that understanding and controlling this chemistry will lead to tailored MOFs and improved adsorbents and catalysts.
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Affiliation(s)
- Dong Yang
- Department of Chemical Engineering, University of California, Davis, CA, 95616, USA
| | - Bruce C Gates
- Department of Chemical Engineering, University of California, Davis, CA, 95616, USA
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9
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Yang Y, Yu Z, Sholl DS. Machine Learning Models for Predicting Molecular Diffusion in Metal-Organic Frameworks Accounting for the Impact of Framework Flexibility. CHEMISTRY OF MATERIALS : A PUBLICATION OF THE AMERICAN CHEMICAL SOCIETY 2023; 35:10156-10168. [PMID: 38107189 PMCID: PMC10720339 DOI: 10.1021/acs.chemmater.3c02321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 10/20/2023] [Accepted: 10/23/2023] [Indexed: 12/19/2023]
Abstract
Molecular diffusion in MOFs plays an important role in determining whether equilibrium can be reached in adsorption-based chemical separations and is a key driving force in membrane-based separations. Molecular dynamics (MD) simulations have shown that in some cases inclusion of framework flexibility in MOF changes predicted molecular diffusivities by orders of magnitude relative to more efficient MD simulations using rigid structures. Despite this, all previous efforts to predict molecular diffusion in MOFs in a high-throughput way have relied on MD data from rigid structures. We use a diverse data set of MD simulations in flexible and rigid MOFs to develop a classification model that reliably predicts whether framework flexibility has a strong impact on molecular diffusion in a given MOF/molecule pair. We then combine this approach with previous high-throughput MD simulations to develop a reliable model that efficiently predicts molecular diffusivities in cases in which framework flexibility can be neglected. The use of this approach is illustrated by making predictions of molecular diffusivities in ∼70,000 MOF/molecule pairs for molecules relevant to gas separations.
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Affiliation(s)
- Yuhan Yang
- School
of Chemical & Biomolecular Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0100, United States
- School
of Chemical Engineering and Technology, Hainan University, Haikou 570228, China
| | - Zhenzi Yu
- School
of Chemical & Biomolecular Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0100, United States
| | - David S. Sholl
- School
of Chemical & Biomolecular Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0100, United States
- Oak
Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States
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10
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Kim MB, Yu J, Ra Shin SH, Johnson HM, Motkuri RK, Thallapally PK. Enhanced Iodine Capture Using a Postsynthetically Modified Thione-Silver Zeolitic Imidazole Framework. ACS APPLIED MATERIALS & INTERFACES 2023; 15:54702-54710. [PMID: 37963227 DOI: 10.1021/acsami.3c13800] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2023]
Abstract
Efficient management of radionuclides that are released from various processes in the nuclear fuel cycle is of significant importance. Among these nuclides, radioactive iodine (mainly 129I and 131I) is a major concern due to the risk it poses to the environment and to human health; thus, the development of materials that can capture and safely store radioactive iodine is crucial. Herein, a novel silver-thione-functionalized zeolitic imidazole framework (ZIF) was synthesized via postsynthetic modification and assessed for its iodine uptake capabilities alongside the parent ZIF-8 and intermediate materials. A solvent-assisted ligand exchange procedure was used to replace the 2-methylimidazole linkers in ZIF-8 with 2-mercaptoimidazole, forming intermediate compound ZIF-8 = S, which was reacted with AgNO3 to yield the ZIF-8 = S-Ag+ composite for iodine uptake. Despite possessing the lowest BET surface area of the derivatives, the Ag-functionalized material demonstrated superior I2 adsorption in terms of both maximum capacity (550 g I2/mol) and rapid kinetics (50% loading achieved in 5 h, saturation in 50 h) compared to that of our pristine ZIF-8, which reached 450 g I2/mol after 150 h and 50% loading in 25 h. This improvement is attributed to the presence of the Ag+ ions, which provide a strong chemical driving force to form a stable Ag-I species. The results of this study contribute to a broader understanding of the strategies that can be employed to engineer adsorbents with robust iodine uptake behavior.
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Affiliation(s)
- Min-Bum Kim
- Pacific Northwest National Laboratory, Richland, Washington 99352, United States
| | - Jierui Yu
- Pacific Northwest National Laboratory, Richland, Washington 99352, United States
| | - Sun Hae Ra Shin
- Pacific Northwest National Laboratory, Richland, Washington 99352, United States
| | - Hannah M Johnson
- Department of Chemistry, Washington State University, Pullman, Washington 99164, United States
| | - Radha Kishan Motkuri
- Pacific Northwest National Laboratory, Richland, Washington 99352, United States
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11
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Chen J, Zhang M, Shu J, Liu S, Dong X, Li C, He L, Yuan M, Wu Y, Xu J, Zhang D, Ma F, Wu G, Chai Z, Wang S. Radiation-Induced De Novo Defects in Metal-Organic Frameworks Boost CO 2 Sorption. J Am Chem Soc 2023; 145:23651-23658. [PMID: 37859406 DOI: 10.1021/jacs.3c07778] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2023]
Abstract
Defects in metal-organic frameworks (MOFs) can significantly change their local microstructures, thus notably leading to an alteration-induced performance in sorption or catalysis. However, achieving de novo defect engineering in MOFs under ambient conditions without the scarification of their crystallinity remains a challenge. Herein, we successfully synthesize defective ZIF-7 through 60Co gamma ray radiation under ambient conditions. The obtained ZIF-7 is defect-rich but also has excellent crystallinity, enhanced BET surface area, and hierarchical pore structure. Moreover, the amount and structure of these defects within ZIF-7 were determined from the two-dimensional (2D) 13C-1H frequency-switched Lee-Goldburg heteronuclear correlation (FSLG-HETCOR) spectra, continuous rotation electron diffraction (cRED), and high-resolution transmission electron microscopy (HRTEM). Interestingly, the defects in ZIF-7 all strongly bind to CO2, leading to a remarkable enhancement of the CO2 sorption capability compared with that synthesized by the solvothermal method.
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Affiliation(s)
- Junchang Chen
- State Key Laboratory of Radiation Medicine and Protection, School for Radiological and Interdisciplinary Sciences (RAD-X) and Collaborative Innovation Center of Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou 215123, China
| | - Mingxing Zhang
- State Key Laboratory of Radiation Medicine and Protection, School for Radiological and Interdisciplinary Sciences (RAD-X) and Collaborative Innovation Center of Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou 215123, China
| | - Jie Shu
- Analysis and Testing Center, Soochow University, Suzhou 215123, China
| | - Shengtang Liu
- State Key Laboratory of Radiation Medicine and Protection, School for Radiological and Interdisciplinary Sciences (RAD-X) and Collaborative Innovation Center of Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou 215123, China
| | - Xiao Dong
- State Key Laboratory of Radiation Medicine and Protection, School for Radiological and Interdisciplinary Sciences (RAD-X) and Collaborative Innovation Center of Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou 215123, China
| | - Chunyang Li
- State Key Laboratory of Radiation Medicine and Protection, School for Radiological and Interdisciplinary Sciences (RAD-X) and Collaborative Innovation Center of Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou 215123, China
| | - Linwei He
- State Key Laboratory of Radiation Medicine and Protection, School for Radiological and Interdisciplinary Sciences (RAD-X) and Collaborative Innovation Center of Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou 215123, China
| | - Mengjia Yuan
- State Key Laboratory of Radiation Medicine and Protection, School for Radiological and Interdisciplinary Sciences (RAD-X) and Collaborative Innovation Center of Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou 215123, China
| | - Yutian Wu
- State Key Laboratory of Radiation Medicine and Protection, School for Radiological and Interdisciplinary Sciences (RAD-X) and Collaborative Innovation Center of Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou 215123, China
| | - Jiahui Xu
- State Key Laboratory of Radiation Medicine and Protection, School for Radiological and Interdisciplinary Sciences (RAD-X) and Collaborative Innovation Center of Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou 215123, China
| | - Duo Zhang
- State Key Laboratory of Radiation Medicine and Protection, School for Radiological and Interdisciplinary Sciences (RAD-X) and Collaborative Innovation Center of Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou 215123, China
| | - Fuyin Ma
- State Key Laboratory of Radiation Medicine and Protection, School for Radiological and Interdisciplinary Sciences (RAD-X) and Collaborative Innovation Center of Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou 215123, China
| | - Guozhong Wu
- Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
| | - Zhifang Chai
- State Key Laboratory of Radiation Medicine and Protection, School for Radiological and Interdisciplinary Sciences (RAD-X) and Collaborative Innovation Center of Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou 215123, China
| | - Shuao Wang
- State Key Laboratory of Radiation Medicine and Protection, School for Radiological and Interdisciplinary Sciences (RAD-X) and Collaborative Innovation Center of Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou 215123, China
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12
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Wang X, Zhang X, Zhao Y, Luo D, Shui L, Li Y, Ma G, Zhu Y, Zhang Y, Zhou G, Yu A, Chen Z. Accelerated Multi-step Sulfur Redox Reactions in Lithium-Sulfur Batteries Enabled by Dual Defects in Metal-Organic Framework-based Catalysts. Angew Chem Int Ed Engl 2023; 62:e202306901. [PMID: 37302981 DOI: 10.1002/anie.202306901] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 06/07/2023] [Accepted: 06/09/2023] [Indexed: 06/13/2023]
Abstract
The sluggish sulfur redox kinetics and shuttle effect of lithium polysulfides (LiPSs) are recognized as the main obstacles to the practical applications of the lithium-sulfur (Li-S) batteries. Accelerated conversion by catalysis can mitigate these issues, leading to enhanced Li-S performance. However, a catalyst with single active site cannot simultaneously accelerate multiple LiPSs conversion. Herein, we developed a novel dual-defect (missing linker and missing cluster defects) metal-organic framework (MOF) as a new type of catalyst to achieve synergistic catalysis for the multi-step conversion reaction of LiPSs. Electrochemical tests and first-principle density functional theory (DFT) calculations revealed that different defects can realize targeted acceleration of stepwise reaction kinetics for LiPSs. Specifically, the missing linker defects can selectively accelerate the conversion of S8 →Li2 S4 , while the missing cluster defects can catalyze the reaction of Li2 S4 →Li2 S, so as to effectively inhibit the shuttle effect. Hence, the Li-S battery with an electrolyte to sulfur (E/S) ratio of 8.9 mL g-1 delivers a capacity of 1087 mAh g-1 at 0.2 C after 100 cycles. Even at high sulfur loading of 12.9 mg cm-2 and E/S=3.9 mL g-1 , an areal capacity of 10.4 mAh cm-2 for 45 cycles can still be obtained.
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Affiliation(s)
- Xin Wang
- South China Academy of Advanced Optoelectronics & International Academy of Optoelectronics at Zhaoqing, South China Normal University, Guangzhou, 510006, China
| | - Xiaomin Zhang
- South China Academy of Advanced Optoelectronics & International Academy of Optoelectronics at Zhaoqing, South China Normal University, Guangzhou, 510006, China
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, P. R. China
| | - Yan Zhao
- School of Materials Science and Engineering, State Key Laboratory of Reliability and Intelligence of Electrical Equipment, Hebei University of Technology, Tianjin, 300130, China
| | - Dan Luo
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, P. R. China
- Department of Chemical Engineering, University of Waterloo, Waterloo, ON, N2L 3G1, Canada
| | - Lingling Shui
- South China Academy of Advanced Optoelectronics & International Academy of Optoelectronics at Zhaoqing, South China Normal University, Guangzhou, 510006, China
| | - Yebao Li
- South China Academy of Advanced Optoelectronics & International Academy of Optoelectronics at Zhaoqing, South China Normal University, Guangzhou, 510006, China
| | - Ge Ma
- South China Academy of Advanced Optoelectronics & International Academy of Optoelectronics at Zhaoqing, South China Normal University, Guangzhou, 510006, China
| | - Yaojie Zhu
- South China Academy of Advanced Optoelectronics & International Academy of Optoelectronics at Zhaoqing, South China Normal University, Guangzhou, 510006, China
| | - Yongguang Zhang
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, P. R. China
| | - Guofu Zhou
- South China Academy of Advanced Optoelectronics & International Academy of Optoelectronics at Zhaoqing, South China Normal University, Guangzhou, 510006, China
| | - Aiping Yu
- Department of Chemical Engineering, University of Waterloo, Waterloo, ON, N2L 3G1, Canada
| | - Zhongwei Chen
- Department of Chemical Engineering, University of Waterloo, Waterloo, ON, N2L 3G1, Canada
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13
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Vali SA, Markeb AA, Moral-Vico J, Font X, Sánchez A. Recent Advances in the Catalytic Conversion of Methane to Methanol: From the Challenges of Traditional Catalysts to the Use of Nanomaterials and Metal-Organic Frameworks. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2754. [PMID: 37887905 PMCID: PMC10609106 DOI: 10.3390/nano13202754] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 10/05/2023] [Accepted: 10/11/2023] [Indexed: 10/28/2023]
Abstract
Methane and carbon dioxide are the main contributors to global warming, with the methane effect being 25 times more powerful than carbon dioxide. Although the sources of methane are diverse, it is a very volatile and explosive gas. One way to store the energy content of methane is through its conversion to methanol. Methanol is a liquid under ambient conditions, easy to transport, and, apart from its use as an energy source, it is a chemical platform that can serve as a starting material for the production of various higher-value products. Accordingly, the transformation of methane to methanol has been extensively studied in the literature, using traditional catalysts as different types of zeolites. However, in the last few years, a new generation of catalysts has emerged to carry out this transformation with higher conversion and selectivity, and more importantly, under mild temperature and pressure conditions. These new catalysts typically involve the use of a highly porous supporting material such as zeolite, or more recently, metal-organic frameworks (MOFs) and graphene, and metallic nanoparticles or a combination of different types of nanoparticles that are the core of the catalytic process. In this review, recent advances in the porous supports for nanoparticles used for methane oxidation to methanol under mild conditions are discussed.
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Affiliation(s)
| | | | | | | | - Antoni Sánchez
- Composting Research Group (GICOM), Department of Chemical, Biological, and Environmental Engineering, Universitat Autònoma de Barcelona, Bellaterra, 08193 Barcelona, Spain
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14
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Chen Y, Lu W, Schröder M, Yang S. Analysis and Refinement of Host-Guest Interactions in Metal-Organic Frameworks. Acc Chem Res 2023; 56:2569-2581. [PMID: 37646412 PMCID: PMC10552526 DOI: 10.1021/acs.accounts.3c00243] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Indexed: 09/01/2023]
Abstract
ConspectusMetal-organic frameworks (MOFs) are a class of hybrid porous materials characterized by their periodic assembly using metal ions and organic ligands through coordination bonds. Their high crystallinity, extensive surface area, and adjustable pore sizes make them promising candidates for a wide array of applications. These include gas adsorption and separation, substrate binding, and catalysis, of relevance to tackling pressing global issues such as climate change, energy challenges, and pollution. In comparison to traditional porous materials such as zeolites and activated carbons, the design flexibility of organic ligands in MOFs, coupled with their orderly arrangement with associated metal centers, allows for the precise engineering of uniform pore environments. This unique feature enables a rich variety of interactions between the MOF host and adsorbed gas molecules, which are fundamental to understanding the observed uptake capacity and selectivity for target gas molecules and thus the overall performance of the material.In this Account, a data set for three-dimensional MOFs has been constructed based upon the structural analysis of host-guest interactions using the largest experimental database, the Cambridge Structural Database (CSD). A full screening was performed on structures with guest molecules of H2, C2H2, CO2, and SO2, and the relationship between the primary binding site, the isosteric heats of adsorption (Qst), and the adsorption uptake was extracted and established. We review the methodologies to refine host-guest interactions based primarily on our studies on the host-guest chemistry of MOFs. The methods include ligand functionalization, variation of metal centers, formation of defects, addition of single atom sites, and control of pore size and structure. In situ structural and dynamic investigations using diffraction and spectroscopic techniques are powerful tools to visualize the details of host-guest interactions upon the above modifications, affording key insights into functional performance at a molecular level. Finally, we give an outlook of future research priorities in the study of host-guest chemistry in MOF materials. We hope this Account will encourage the rational development and improvement of future MOF-based sorbents for applications in challenging gas adsorption, separations, and catalysis.
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Affiliation(s)
- Yinlin Chen
- Department
of Chemistry, University of Manchester, Manchester M13 9PL, U.K.
| | - Wanpeng Lu
- Department
of Chemistry, University of Manchester, Manchester M13 9PL, U.K.
| | - Martin Schröder
- Department
of Chemistry, University of Manchester, Manchester M13 9PL, U.K.
| | - Sihai Yang
- Department
of Chemistry, University of Manchester, Manchester M13 9PL, U.K.
- College
of Chemistry and Molecular Engineering, Beijing National Laboratory
for Molecular Sciences, Peking University, Beijing 100871, China
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15
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Wang Z, Cheng Y, Wang C, Guo R, You J, Zhang H. Optimizing the performance of Fe-based metal-organic frameworks in photo-Fenton processes: Mechanisms, strategies and prospects. CHEMOSPHERE 2023; 339:139673. [PMID: 37536536 DOI: 10.1016/j.chemosphere.2023.139673] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 07/13/2023] [Accepted: 07/27/2023] [Indexed: 08/05/2023]
Abstract
Contaminants in water pose a significant challenge as they are harmful and difficult to treat using conventional methods. Therefore, various new methods have been proposed to degrade organic pollutants in water, among which the photo-Fenton process is considered promising. In recent years, Fe-based metal-organic frameworks (Fe-MOFs) have gained attention and found applications in different fields due to their cost-effectiveness, non-toxic nature, and unique porous structure. Many researchers have applied Fe-MOFs to the photo-Fenton process in recent years and achieved good results. This review focuses on describing different strategies for enhancing the performance of Fe-MOFs in the photo-Fenton process. Also, the mechanism of MOF in the photo-Fenton process is described in detail. Finally, prospects for the application of Fe-MOFs in photo-Fenton systems for the treatment of organic pollutants in water are presented. This study provides information and ideas for researchers to use Fe-MOFs to remove organic pollutants from water by photo-Fenton process.
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Affiliation(s)
- Zhaobo Wang
- School of Materials Science and Engineering, Northeastern University, Shenyang, 110819, China; Key Laboratory of Dielectric and Electrolyte Functional Material Hebei Province, School of Resources and Materials, Northeastern University at Qinhuangdao, Qinhuangdao, 066004, China
| | - Ying Cheng
- School of Materials Science and Engineering, Northeastern University, Shenyang, 110819, China; Key Laboratory of Dielectric and Electrolyte Functional Material Hebei Province, School of Resources and Materials, Northeastern University at Qinhuangdao, Qinhuangdao, 066004, China
| | - Chen Wang
- School of Materials Science and Engineering, Northeastern University, Shenyang, 110819, China; Key Laboratory of Dielectric and Electrolyte Functional Material Hebei Province, School of Resources and Materials, Northeastern University at Qinhuangdao, Qinhuangdao, 066004, China
| | - Rui Guo
- School of Materials Science and Engineering, Northeastern University, Shenyang, 110819, China; Key Laboratory of Dielectric and Electrolyte Functional Material Hebei Province, School of Resources and Materials, Northeastern University at Qinhuangdao, Qinhuangdao, 066004, China.
| | - Junhua You
- School of Materials Science and Engineering, Shenyang University of Technology, Shenyang, 110870, China
| | - Hangzhou Zhang
- Department of Orthopedics, Joint Surgery and Sports Medicine, First Affiliated Hospital of China Medical University, Shenyang, 110001, China.
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16
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Hayton TW, Humphrey SM, Cossairt BM, Brutchey RL. We Need to Talk about New Materials Characterization. Inorg Chem 2023; 62:13165-13167. [PMID: 37555817 DOI: 10.1021/acs.inorgchem.3c02524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/10/2023]
Affiliation(s)
- Trevor W Hayton
- Department of Chemistry and Biochemistry, University of California at Santa Barbara, Santa Barbara, California 93106, United States
| | - Simon M Humphrey
- Department of Chemistry, University of Texas at Austin, 105 East 24th Street, Stop A5300, Austin, Texas 78734-0165, United States
| | - Brandi M Cossairt
- Department of Chemistry, University of Washington, Seattle, Washington 98195, United States
| | - Richard L Brutchey
- Department of Chemistry, University of Southern California, Los Angeles, California 90089, United States
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17
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Liao D, Huang J, Jiang C, Zhou L, Zheng M, Nezamzadeh-Ejhieh A, Qi N, Lu C, Liu J. A Novel Platform of MOF for Sonodynamic Therapy Advanced Therapies. Pharmaceutics 2023; 15:2071. [PMID: 37631285 PMCID: PMC10458442 DOI: 10.3390/pharmaceutics15082071] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Revised: 07/27/2023] [Accepted: 07/29/2023] [Indexed: 08/27/2023] Open
Abstract
Metal-organic frameworks (MOFs) combined with sonodynamic therapy (SDT) have been introduced as a new and efficient treatment method. The critical advantage of SDT is its ability to penetrate deep tissues and concentrate energy on the tumor site to achieve a non-invasive or minimally invasive effect. Using a sonosensitizer to generate reactive oxygen species (ROS) under ultrasound is the primary SDT-related method of killing tumor cells. In the presence of a sonosensitizer, SDT exhibits a more lethal effect on tumors. The fast development of micro/nanotechnology has effectively improved the efficiency of SDT, and MOFs have been broadly evaluated in SDT due to their easy synthesis, easy surface functionalization, high porosity, and high biocompatibility. This article reviews the main mechanism of action of sonodynamic therapy in cancer treatment, and also reviews the applications of MOFs in recent years. The application of MOFs in sonodynamic therapy can effectively improve the targeting ability of SDT and the conversion ability of reactive oxygen species, thus improving their killing ability on cancer cells. This provides new ideas for the application of micro/nano particles in SDT and cancer therapy.
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Affiliation(s)
- Donghui Liao
- Guangdong Provincial Key Laboratory of Research and Development of Natural Drugs, School of Pharmacy, Guangdong Medical University Key Laboratory of Research and Development of New Medical Materials, Guangdong Medical University, Dongguan 523808, China; (D.L.); (J.H.)
| | - Jiefeng Huang
- Guangdong Provincial Key Laboratory of Research and Development of Natural Drugs, School of Pharmacy, Guangdong Medical University Key Laboratory of Research and Development of New Medical Materials, Guangdong Medical University, Dongguan 523808, China; (D.L.); (J.H.)
| | - Chenyi Jiang
- Guangdong Provincial Key Laboratory of Research and Development of Natural Drugs, School of Pharmacy, Guangdong Medical University Key Laboratory of Research and Development of New Medical Materials, Guangdong Medical University, Dongguan 523808, China; (D.L.); (J.H.)
| | - Luyi Zhou
- Guangdong Provincial Key Laboratory of Research and Development of Natural Drugs, School of Pharmacy, Guangdong Medical University Key Laboratory of Research and Development of New Medical Materials, Guangdong Medical University, Dongguan 523808, China; (D.L.); (J.H.)
| | - Mingbin Zheng
- Guangdong Provincial Key Laboratory of Research and Development of Natural Drugs, School of Pharmacy, Guangdong Medical University Key Laboratory of Research and Development of New Medical Materials, Guangdong Medical University, Dongguan 523808, China; (D.L.); (J.H.)
| | | | - Na Qi
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400030, China
| | - Chengyu Lu
- Guangdong Provincial Key Laboratory of Research and Development of Natural Drugs, School of Pharmacy, Guangdong Medical University Key Laboratory of Research and Development of New Medical Materials, Guangdong Medical University, Dongguan 523808, China; (D.L.); (J.H.)
| | - Jianqiang Liu
- Guangdong Provincial Key Laboratory of Research and Development of Natural Drugs, School of Pharmacy, Guangdong Medical University Key Laboratory of Research and Development of New Medical Materials, Guangdong Medical University, Dongguan 523808, China; (D.L.); (J.H.)
- Affiliated Hospital of Guangdong Medical University, Zhanjiang 524013, China
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18
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Yu Z, Jamdade S, Yu X, Cai X, Sholl DS. Efficient Generation of Large Collections of Metal-Organic Framework Structures Containing Well-Defined Point Defects. J Phys Chem Lett 2023; 14:6658-6665. [PMID: 37462949 PMCID: PMC10388356 DOI: 10.1021/acs.jpclett.3c01524] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/28/2023]
Abstract
High-throughput molecular simulations of metal-organic frameworks (MOFs) are a useful complement to experiments to identify candidates for chemical separation and storage. All previous efforts of this kind have used simulations in which MOFs are approximated as defect-free. We introduce a tool to readily generate missing-linker defects in MOFs and demonstrate this tool with a collection of 507 defective MOFs. We introduce the concept of the maximum possible defect concentration; at higher defect concentrations, deviations from the defect-free crystal structure would be readily evident experimentally. We studied the impact of defects on molecular adsorption as a function of defect concentrations. Defects have a slightly negative or negligible influence on adsorption at low pressures for ethene, ethane, and CO2 but a strong positive influence for methanol due to hydrogen bonding with defects. Defective structures tend to have loadings slightly higher than those of defect-free structures for all adsorbates at elevated pressures.
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Affiliation(s)
- Zhenzi Yu
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
| | - Shubham Jamdade
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
| | - Xiaohan Yu
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
| | - Xuqing Cai
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
| | - David S Sholl
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
- Oak Ridge National Laboratory, Oak Ridge, Tennessee 37830, United States
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19
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Van Speybroeck V. Challenges in modelling dynamic processes in realistic nanostructured materials at operating conditions. PHILOSOPHICAL TRANSACTIONS. SERIES A, MATHEMATICAL, PHYSICAL, AND ENGINEERING SCIENCES 2023; 381:20220239. [PMID: 37211031 DOI: 10.1098/rsta.2022.0239] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Accepted: 01/23/2023] [Indexed: 05/23/2023]
Abstract
The question is addressed in how far current modelling strategies are capable of modelling dynamic phenomena in realistic nanostructured materials at operating conditions. Nanostructured materials used in applications are far from perfect; they possess a broad range of heterogeneities in space and time extending over several orders of magnitude. Spatial heterogeneities from the subnanometre to the micrometre scale in crystal particles with a finite size and specific morphology, impact the material's dynamics. Furthermore, the material's functional behaviour is largely determined by the operating conditions. Currently, there exists a huge length-time scale gap between attainable theoretical length-time scales and experimentally relevant scales. Within this perspective, three key challenges are highlighted within the molecular modelling chain to bridge this length-time scale gap. Methods are needed that enable (i) building structural models for realistic crystal particles having mesoscale dimensions with isolated defects, correlated nanoregions, mesoporosity, internal and external surfaces; (ii) the evaluation of interatomic forces with quantum mechanical accuracy albeit at much lower computational cost than the currently used density functional theory methods and (iii) derivation of the kinetics of phenomena taking place in a multi-length-time scale window to obtain an overall view of the dynamics of the process. This article is part of a discussion meeting issue 'Supercomputing simulations of advanced materials'.
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20
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Nandi S, Mansouri A, Dovgaliuk I, Boullay P, Patriarche G, Cornu I, Florian P, Mouchaham G, Serre C. A robust ultra-microporous cationic aluminum-based metal-organic framework with a flexible tetra-carboxylate linker. Commun Chem 2023; 6:144. [PMID: 37414866 DOI: 10.1038/s42004-023-00938-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Accepted: 06/23/2023] [Indexed: 07/08/2023] Open
Abstract
Al-based cationic metal-organic frameworks (MOFs) are uncommon. Here, we report a cationic Al-MOF, MIP-213(Al) ([Al18(μ2-OH)24(OH2)12(mdip)6]6Cl·6H2O) constructed from flexible tetra-carboxylate ligand (5,5'-Methylenediisophthalic acid; H4mdip). Its crystal structure was determined by the combination of three-dimensional electron diffraction (3DED) and high-resolution powder X-ray diffraction. The structure is built from infinite corner-sharing chains of AlO4(OH)2 and AlO2(OH)3(H2O) octahedra forming an 18-membered rings honeycomb lattice, similar to that of MIL-96(Al), a scarce Al-polycarboxylate defective MOF. Despite sharing these structural similarities, MIP-213(Al), unlike MIL-96(Al), lacks the isolated μ3-oxo-bridged Al-clusters. This leads to an ordered defective cationic framework whose charge is balanced by Cl- sandwiched between two Al-trimers at the corner of the honeycomb, showing strong interaction with terminal H2O coordinated to the Al-trimers. The overall structure is endowed by a narrow quasi-1D channel of dimension ~4.7 Å. The Cl- in the framework restrains the accessibility of the channels, while the MOF selectively adsorbs CO2 over N2 and possesses high hydrolytic stability.
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Affiliation(s)
- Shyamapada Nandi
- Institut des Matériaux Poreux de Paris, Ecole Normale Supérieure, ESPCI Paris, CNRS, PSL University, 75005, Paris, France
- Chemistry Division, School of Advanced Sciences, Vellore Institute of Technology, 600127, Chennai, India
| | - Asma Mansouri
- Institut des Matériaux Poreux de Paris, Ecole Normale Supérieure, ESPCI Paris, CNRS, PSL University, 75005, Paris, France
| | - Iurii Dovgaliuk
- Institut des Matériaux Poreux de Paris, Ecole Normale Supérieure, ESPCI Paris, CNRS, PSL University, 75005, Paris, France
| | - Philippe Boullay
- Normandie Université, ENSICAEN, UNICAEN, CNRS, CRISMAT, 14050, Caen, France
| | - Gilles Patriarche
- Université Paris-Saclay, CNRS, Centre de Nanosciences et de Nanotechnologies, 91120, Palaiseau, France
| | - Ieuan Cornu
- Centre National de la Recherche Scientifique (CNRS), UPR3079 CEMHTI, Université d'Orléans, 1D Av. Recherche Scientifique, CEDEX 2, 45071, Orléans, France
| | - Pierre Florian
- Centre National de la Recherche Scientifique (CNRS), UPR3079 CEMHTI, Université d'Orléans, 1D Av. Recherche Scientifique, CEDEX 2, 45071, Orléans, France
| | - Georges Mouchaham
- Institut des Matériaux Poreux de Paris, Ecole Normale Supérieure, ESPCI Paris, CNRS, PSL University, 75005, Paris, France.
| | - Christian Serre
- Institut des Matériaux Poreux de Paris, Ecole Normale Supérieure, ESPCI Paris, CNRS, PSL University, 75005, Paris, France.
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21
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Islamov M, Boone P, Babaei H, McGaughey AJH, Wilmer CE. Correlated missing linker defects increase thermal conductivity in metal-organic framework UiO-66. Chem Sci 2023; 14:6592-6600. [PMID: 37350842 PMCID: PMC10284114 DOI: 10.1039/d2sc06120a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Accepted: 04/02/2023] [Indexed: 06/24/2023] Open
Abstract
Thermal transport in metal-organic frameworks (MOFs) is an essential but frequently overlooked property. Among the small number of existing studies on thermal transport in MOFs, even fewer have considered explicitly the influence of defects. However, defects naturally exist in MOF crystals and are known to influence many of their material properties. In this work, we investigate the influence of both randomly and symmetrically distributed defects on the thermal conductivity of the MOF UiO-66. Two types of defects were examined: missing linker and missing cluster defects. For symmetrically distributed (i.e., spatially correlated) defects, we considered three experimentally resolved defect nanodomains of UiO-66 with underlying topologies of bcu, reo, and scu. We observed that both randomly distributed missing linker and missing cluster defects typically decrease thermal conductivity, as expected. However, we found that the spatial arrangement of defects can significantly impact thermal conductivity. In particular, the spatially correlated missing linker defect nanodomain (bcu topology) displayed an intriguing anisotropy, with the thermal conductivity along a particular direction being higher than that of the defect-free UiO-66. We attribute this unusual defect-induced increase in thermal conductivity to the removal of the linkers perpendicular to the primary direction of heat transport. These perpendicular linkers act as phonon scattering sources such that removing them increases thermal conductivity in that direction. Moreover, we also observed an increase in phonon group velocity, which might also contribute to the unusual increase. Overall, we show that structural defects could be an additional lever to tune the thermal conductivity of MOFs.
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Affiliation(s)
- Meiirbek Islamov
- Department of Chemical & Petroleum Engineering, University of Pittsburgh Pittsburgh Pennsylvania 15261 USA
| | - Paul Boone
- Department of Chemical & Petroleum Engineering, University of Pittsburgh Pittsburgh Pennsylvania 15261 USA
| | - Hasan Babaei
- Department of Chemistry, University of California Berkeley California 94720 USA
| | - Alan J H McGaughey
- Department of Mechanical Engineering, Carnegie Mellon University Pittsburgh Pennsylvania 15213 USA
| | - Christopher E Wilmer
- Department of Chemical & Petroleum Engineering, University of Pittsburgh Pittsburgh Pennsylvania 15261 USA
- Department of Electrical & Computer Engineering, University of Pittsburgh Pittsburgh Pennsylvania 15261 USA
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22
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Massahud E, Ahmed H, Babarao R, Ehrnst Y, Alijani H, Darmanin C, Murdoch BJ, Rezk AR, Yeo LY. Acoustomicrofluidic Defect Engineering and Ligand Exchange in ZIF-8 Metal-Organic Frameworks. SMALL METHODS 2023; 7:e2201170. [PMID: 36855216 DOI: 10.1002/smtd.202201170] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 01/19/2023] [Indexed: 06/09/2023]
Abstract
A way through which the properties of metal-organic frameworks (MOFs) can be tuned is by engineering defects into the crystal structure. Given its intrinsic stability and rigidity, however, it is difficult to introduce defects into zeolitic imidazolate frameworks (ZIFs)-and ZIF-8, in particular-without compromising crystal integrity. In this work, it is shown that the acoustic radiation pressure as well as the hydrodynamic stresses arising from the oscillatory flow generated by coupling high frequency (MHz-order) hybrid surface and bulk acoustic waves into a suspension of ZIF-8 crystals in a liquid pressure transmitting medium is capable of driving permanent structural changes in their crystal lattice structure. Over time, the enhancement in the diffusive transport of guest molecules into the material's pores as a consequence is shown to lead to expansion of the pore framework, and subsequently, the creation of dangling-linker and missing-linker defects, therefore offering the possibility of tuning the type and extent of defects engineered into the MOF through the acoustic exposure time. Additionally, the practical utility of the technology is demonstrated for one-pot, simultaneous solvent-assisted ligand exchange under ambient conditions, for sub-micron-dimension ZIF-8 crystals and relatively large ligands-more specifically 2-aminobenzimidazole-without compromising the framework porosity or overall crystal structure.
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Affiliation(s)
- Emily Massahud
- Micro/Nanophysics Research Laboratory, RMIT University, Melbourne, VIC, 3000, Australia
| | - Heba Ahmed
- Micro/Nanophysics Research Laboratory, RMIT University, Melbourne, VIC, 3000, Australia
| | - Ravichandar Babarao
- Manufacturing Business Unit, Commonwealth Scientific and Industrial Research Organization (CSIRO) Manufacturing, Clayton, VIC, 3168, Australia
- Centre for Advanced Materials and Industrial Chemistry, School of Science, RMIT University, Melbourne, VIC, 3000, Australia
| | - Yemima Ehrnst
- Micro/Nanophysics Research Laboratory, RMIT University, Melbourne, VIC, 3000, Australia
| | - Hossein Alijani
- Micro/Nanophysics Research Laboratory, RMIT University, Melbourne, VIC, 3000, Australia
| | - Connie Darmanin
- Department of Mathematical and Physical Sciences, School of Engineering, Computing and Mathematical Sciences, La Trobe University, Melbourne, VIC, 3086, Australia
- La Trobe Institute for Molecular Science, La Trobe University, Melbourne, VIC, 3086, Australia
| | - Billy J Murdoch
- RMIT Microscopy and Microanalysis Facility, STEM College, RMIT University, Melbourne, VIC, 3000, Australia
| | - Amgad R Rezk
- Micro/Nanophysics Research Laboratory, RMIT University, Melbourne, VIC, 3000, Australia
| | - Leslie Y Yeo
- Micro/Nanophysics Research Laboratory, RMIT University, Melbourne, VIC, 3000, Australia
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23
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Wang M, Zhao H, Du B, Lu X, Ding S, Hu X. Functions and applications of emerging metal-organic-framework liquids and glasses. Chem Commun (Camb) 2023. [PMID: 37191098 DOI: 10.1039/d3cc00834g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
Traditional metal-organic-frameworks (MOFs) have been extensively studied and applied in various fields across chemistry, biology and engineering in the past decades. Recently, a family of emerging MOF liquids and glasses have gained ever-growing research interests owing to their fascinating phase transitions and unique functions. To date, a growing number of MOF crystals have been found to be capable of transforming into liquid and glassy states under external stimuli, which overcomes the limitations of MOF crystals by introducing functional disorder in a controlled manner and offering some desirable properties. This review is dedicated to compiling recent advances in the fundamental understanding of the phase and structure evolution during crystal melting and glass formation in order to give insights into the underlying conversion mechanism. Benefiting from the disordered metal-ligand arrangement and free grain boundaries, various functional properties of liquid and glassy MOFs including porosity, ionic conductivity, and optical/mechanical properties are summarized and evaluated in detail, accompanied by the structure-property correlation. At the same time, their potential applications are further assessed from a developmental perspective according to their unique functions. Finally, we summarize the current progress in the development of liquid/glassy MOFs and point out the serious challenges as well as the potential solutions. This work provides perspectives on the functional applications of liquid/glassy MOFs and highlights the future research directions for the advancement of MOF liquids and glasses.
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Affiliation(s)
- Mingyue Wang
- School of Chemistry, Xi'an Key Laboratory of Sustainable Energy Materials Chemistry, State key laboratory of Electrical Insulation and Power Equipment, Xi'an Jiaotong University, Xi'an 710049, P. R. China
- Engineering Research Center of Energy Storage Materials and Devices (Ministry of Education), Xi'an 710049, China
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Nankai University, Tianjin 300071, China
| | - Hongyang Zhao
- School of Chemistry, Xi'an Key Laboratory of Sustainable Energy Materials Chemistry, State key laboratory of Electrical Insulation and Power Equipment, Xi'an Jiaotong University, Xi'an 710049, P. R. China
- Engineering Research Center of Energy Storage Materials and Devices (Ministry of Education), Xi'an 710049, China
| | - Bowei Du
- School of Chemistry, Xi'an Key Laboratory of Sustainable Energy Materials Chemistry, State key laboratory of Electrical Insulation and Power Equipment, Xi'an Jiaotong University, Xi'an 710049, P. R. China
- Engineering Research Center of Energy Storage Materials and Devices (Ministry of Education), Xi'an 710049, China
| | - Xuan Lu
- School of Chemistry, Xi'an Key Laboratory of Sustainable Energy Materials Chemistry, State key laboratory of Electrical Insulation and Power Equipment, Xi'an Jiaotong University, Xi'an 710049, P. R. China
| | - Shujiang Ding
- School of Chemistry, Xi'an Key Laboratory of Sustainable Energy Materials Chemistry, State key laboratory of Electrical Insulation and Power Equipment, Xi'an Jiaotong University, Xi'an 710049, P. R. China
- Engineering Research Center of Energy Storage Materials and Devices (Ministry of Education), Xi'an 710049, China
| | - Xiaofei Hu
- School of Chemistry, Xi'an Key Laboratory of Sustainable Energy Materials Chemistry, State key laboratory of Electrical Insulation and Power Equipment, Xi'an Jiaotong University, Xi'an 710049, P. R. China
- Engineering Research Center of Energy Storage Materials and Devices (Ministry of Education), Xi'an 710049, China
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Nankai University, Tianjin 300071, China
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24
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Rousseau BJ, Soudackov AV, Tuttle RR, Reynolds MM, Finke RG, Hammes-Schiffer S. Computational Insights into the Mechanism of Nitric Oxide Generation from S-Nitrosoglutathione Catalyzed by a Copper Metal-Organic Framework. J Am Chem Soc 2023; 145:10285-10294. [PMID: 37126424 PMCID: PMC10344594 DOI: 10.1021/jacs.3c01569] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
The controlled generation of nitric oxide (NO) from endogenous sources, such as S-nitrosoglutathione (GSNO), has significant implications for biomedical implants due to the vasodilatory and other beneficial properties of NO. The water-stable metal-organic framework (MOF) Cu-1,3,5-tris[1H-1,2,3-triazol-5-yl]benzene has been shown to catalyze the production of NO and glutathione disulfide (GSSG) from GSNO in aqueous solution as well as in blood. Previous experimental work provided kinetic data for the catalysis of the 2GSNO → 2NO + GSSG reaction, leading to various proposed mechanisms. Herein, this catalytic process is examined using density functional theory. Minimal functional models of the Cu-MOF cluster and glutathione moieties are established, and three distinct catalytic mechanisms are explored. The most thermodynamically favorable mechanism studied is consistent with prior experimental findings. This mechanism involves coordination of GSNO to copper via sulfur rather than nitrogen and requires a reductive elimination that produces a Cu(I) intermediate, implicating a redox-active copper site. The experimentally observed inhibition of reactivity at high pH values is explained in terms of deprotonation of a triazole linker, which decreases the structural stability of the Cu(I) intermediate. These fundamental mechanistic insights may be generally applicable to other MOF catalysts for NO generation.
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Affiliation(s)
| | | | - Robert R. Tuttle
- Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523, United States
| | - Melissa M. Reynolds
- Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523, United States
| | - Richard G. Finke
- Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523, United States
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25
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Fu Y, Yao Y, Forse AC, Li J, Mochizuki K, Long JR, Reimer JA, De Paëpe G, Kong X. Solvent-derived defects suppress adsorption in MOF-74. Nat Commun 2023; 14:2386. [PMID: 37185270 PMCID: PMC10130178 DOI: 10.1038/s41467-023-38155-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Accepted: 04/14/2023] [Indexed: 05/17/2023] Open
Abstract
Defects in metal-organic frameworks (MOFs) have great impact on their nano-scale structure and physiochemical properties. However, isolated defects are easily concealed when the frameworks are interrogated by typical characterization methods. In this work, we unveil the presence of solvent-derived formate defects in MOF-74, an important class of MOFs with open metal sites. With multi-dimensional solid-state nuclear magnetic resonance (NMR) investigations, we uncover the ligand substitution role of formate and its chemical origin from decomposed N,N-dimethylformamide (DMF) solvent. The placement and coordination structure of formate defects are determined by 13C NMR and density functional theory (DFT) calculations. The extra metal-oxygen bonds with formates partially eliminate open metal sites and lead to a quantitative decrease of N2 and CO2 adsorption with respect to the defect concentration. In-situ NMR analysis and molecular simulations of CO2 dynamics elaborate the adsorption mechanisms in defective MOF-74. Our study establishes comprehensive strategies to search, elucidate and manipulate defects in MOFs.
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Affiliation(s)
- Yao Fu
- Department of Physical Medicine and Rehabilitation, Sir Run Run Shaw Hospital, Zhejiang University, Hangzhou, 310027, PR China
- Key Laboratory of Excited-State Materials of Zhejiang Province, Department of Chemistry, Zhejiang University, Hangzhou, 310027, PR China
- Univ. Grenoble Alpes, CEA, IRIG-MEM, Grenoble, France
- Department of Chemical and Biomolecular Engineering, University of California, Berkeley, CA, 94720, USA
| | - Yifeng Yao
- Key Laboratory of Excited-State Materials of Zhejiang Province, Department of Chemistry, Zhejiang University, Hangzhou, 310027, PR China
| | - Alexander C Forse
- Department of Chemical and Biomolecular Engineering, University of California, Berkeley, CA, 94720, USA
- Department of Chemistry, University of Cambridge, Cambridge, CB2 1EW, UK
- Department of Chemistry, University of California, Berkeley, CA, 94720, USA
| | - Jianhua Li
- Department of Physical Medicine and Rehabilitation, Sir Run Run Shaw Hospital, Zhejiang University, Hangzhou, 310027, PR China
| | - Kenji Mochizuki
- Key Laboratory of Excited-State Materials of Zhejiang Province, Department of Chemistry, Zhejiang University, Hangzhou, 310027, PR China
| | - Jeffrey R Long
- Department of Chemical and Biomolecular Engineering, University of California, Berkeley, CA, 94720, USA
- Department of Chemistry, University of California, Berkeley, CA, 94720, USA
- Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA, 94720, USA
| | - Jeffrey A Reimer
- Department of Chemical and Biomolecular Engineering, University of California, Berkeley, CA, 94720, USA
| | - Gaël De Paëpe
- Univ. Grenoble Alpes, CEA, IRIG-MEM, Grenoble, France
| | - Xueqian Kong
- Department of Physical Medicine and Rehabilitation, Sir Run Run Shaw Hospital, Zhejiang University, Hangzhou, 310027, PR China.
- Key Laboratory of Excited-State Materials of Zhejiang Province, Department of Chemistry, Zhejiang University, Hangzhou, 310027, PR China.
- Institute of Translational Medicine, Shanghai Jiao Tong University, Shanghai, 200240, China.
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26
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Yang Y, Tan M, Ma Z, Geng H, Zhang Q, Tan Y. Repair of missing linker defects in UiO-66 by a "molecular patch" boosting the 1-hexene hydroformylation reaction. Chem Commun (Camb) 2023; 59:3091-3094. [PMID: 36804641 DOI: 10.1039/d3cc00147d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
Abstract
Fabrication of MOFs with missing linker defects has become a common means to improve catalytic performances. However, the stability of the defects deserves to be investigated first. In this work, we found that 3-phenylpropionaldehyde (3-PPA) could coordinate with the missing linker defects of UiO-66, which highlighted the instability of the missing linker defects. 3-PPA acted as a molecular patch for the modification of the Rh/UiO-66 catalyst, which repaired the open Zr6 sites and resulted in a remarkable improvement of aldehyde selectivity (from 50.0% to 89.6%) in 1-hexene hydroformylation.
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Affiliation(s)
- Yuhao Yang
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China. .,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Minghui Tan
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China.
| | - Zixuan Ma
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China. .,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Hailun Geng
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China. .,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Qingde Zhang
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China.
| | - Yisheng Tan
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China. .,National Engineering Research Centre for Coal-Based Synthesis, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China
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27
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Iliescu A, Oppenheim JJ, Sun C, Dincǎ M. Conceptual and Practical Aspects of Metal-Organic Frameworks for Solid-Gas Reactions. Chem Rev 2023; 123:6197-6232. [PMID: 36802581 DOI: 10.1021/acs.chemrev.2c00537] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/19/2023]
Abstract
The presence of site-isolated and well-defined metal sites has enabled the use of metal-organic frameworks (MOFs) as catalysts that can be rationally modulated. Because MOFs can be addressed and manipulated through molecular synthetic pathways, they are chemically similar to molecular catalysts. They are, nevertheless, solid-state materials and therefore can be thought of as privileged solid molecular catalysts that excel in applications involving gas-phase reactions. This contrasts with homogeneous catalysts, which are overwhelmingly used in the solution phase. Herein, we review theories dictating gas phase reactivity within porous solids and discuss key catalytic gas-solid reactions. We further treat theoretical aspects of diffusion within confined pores, the enrichment of adsorbates, the types of solvation spheres that a MOF might impart on adsorbates, definitions of acidity/basicity in the absence of solvent, the stabilization of reactive intermediates, and the generation and characterization of defect sites. The key catalytic reactions we discuss broadly include reductive reactions (olefin hydrogenation, semihydrogenation, and selective catalytic reduction), oxidative reactions (oxygenation of hydrocarbons, oxidative dehydrogenation, and carbon monoxide oxidation), and C-C bond forming reactions (olefin dimerization/polymerization, isomerization, and carbonylation reactions).
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Affiliation(s)
- Andrei Iliescu
- Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Julius J Oppenheim
- Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Chenyue Sun
- Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Mircea Dincǎ
- Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
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28
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Yeh B, Chheda S, Prinslow SD, Hoffman AS, Hong J, Perez-Aguilar JE, Bare SR, Lu CC, Gagliardi L, Bhan A. Structure and Site Evolution of Framework Ni Species in MIL-127 MOFs for Propylene Oligomerization Catalysis. J Am Chem Soc 2023; 145:3408-3418. [PMID: 36724435 DOI: 10.1021/jacs.2c10551] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
A mixed-valence oxotrimer metal-organic framework (MOF), Ni-MIL-127, with a fully coordinated nickel atom and two iron atoms in the inorganic node, generates a missing linker defect upon thermal treatment in helium (>473 K) to engender an open coordination site on nickel which catalyzes propylene oligomerization devoid of any cocatalysts or initiators. This catalyst is stable for ∼20 h on stream at 500 kPa and 473 K, unprecedented for this chemistry. The number of missing linkers on synthesized and activated Ni-MIL-127 MOFs is quantified using temperature-programmed oxidation, 1H nuclear magnetic resonance spectroscopy, and X-ray absorption spectroscopy to be ∼0.7 missing linkers per nickel; thus, a majority of Ni species in the MOF framework catalyze propylene oligomerization. In situ NO titrations under reaction conditions enumerate ∼62% of the nickel atoms as catalytically relevant to validate the defect density upon thermal treatment. Propylene oligomerization rates on Ni-MIL-127 measured at steady state have activation energies of 55-67 kJ mol-1 from 448 to 493 K and are first-order in propylene pressures from 5 to 550 kPa. Density functional theory calculations on cluster models of Ni-MIL-127 are employed to validate the plausibility of the missing linker defect and the Cossee-Arlman mechanism for propylene oligomerization through comparisons between apparent activation energies from steady-state kinetics and computation. This study illustrates how MOF precatalysts engender defective Ni species which exhibit reactivity and stability characteristics that are distinct and can be engineered to improve catalytic activity for olefin oligomerization.
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Affiliation(s)
- Benjamin Yeh
- Department of Chemical Engineering and Materials Science, University of Minnesota-Twin Cities, 421 Washington Avenue SE, Minneapolis, Minnesota 55455, United States
| | - Saumil Chheda
- Department of Chemical Engineering and Materials Science, University of Minnesota-Twin Cities, 421 Washington Avenue SE, Minneapolis, Minnesota 55455, United States.,Department of Chemistry, Chemical Theory Center, and Supercomputing Institute, University of Minnesota-Twin Cities, 207 Pleasant Street SE, Minneapolis, Minnesota 55455, United States
| | - Steven D Prinslow
- Department of Chemistry, Chemical Theory Center, and Supercomputing Institute, University of Minnesota-Twin Cities, 207 Pleasant Street SE, Minneapolis, Minnesota 55455, United States
| | - Adam S Hoffman
- Stanford Synchrotron Radiation Lightsource, SLAC National Accelerator Laboratory, Menlo Park, California 94025, United States
| | - Jiyun Hong
- Stanford Synchrotron Radiation Lightsource, SLAC National Accelerator Laboratory, Menlo Park, California 94025, United States
| | - Jorge E Perez-Aguilar
- Stanford Synchrotron Radiation Lightsource, SLAC National Accelerator Laboratory, Menlo Park, California 94025, United States
| | - Simon R Bare
- Stanford Synchrotron Radiation Lightsource, SLAC National Accelerator Laboratory, Menlo Park, California 94025, United States
| | - Connie C Lu
- Department of Chemistry, Chemical Theory Center, and Supercomputing Institute, University of Minnesota-Twin Cities, 207 Pleasant Street SE, Minneapolis, Minnesota 55455, United States
| | - Laura Gagliardi
- Department of Chemistry, The University of Chicago, Chicago, Illinois 60637, United States
| | - Aditya Bhan
- Department of Chemical Engineering and Materials Science, University of Minnesota-Twin Cities, 421 Washington Avenue SE, Minneapolis, Minnesota 55455, United States
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29
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Zhang Z. Automated Graph Neural Networks Accelerate the Screening of Optoelectronic Properties of Metal-Organic Frameworks. J Phys Chem Lett 2023; 14:1239-1245. [PMID: 36716343 DOI: 10.1021/acs.jpclett.3c00187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
The numerous organic and inorganic components of metal-organic framework (MOF) materials provide intriguing optoelectronic properties. Accurately predicting the electronic structural properties of MOFs has become the main focus. This work establishes two graph neural network models, crystal graph convolutional neural networks and a materials graph network, for predicting the band gaps of more than 10 000 MOF structures and promotes to improve the prediction accuracy through automatic hyperparameter tuning algorithms. Subsequently, for exploring machine learning-assisted screening of MOFs for the broader electronic properties, the screened copper-based MOFs are compared with lead-based MAPbI3 solar cells with respect to the band gaps, densities of states, and charge density distributions, and the results have demonstrated that the overlap of the wave functions between the initial and final states of MOFs is weakened, which is conducive to the improvement of photoelectric performance. The chlorine doping strategy further enhances the advantage. The tuning of the machine learning model and hyperparameters and the doping strategy of halogen elements furnish empirical rules for the design of MOFs with excellent optoelectronic properties.
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Affiliation(s)
- Zhaosheng Zhang
- College of Chemistry and Materials Science, Hebei University, Baoding071002, P. R. China
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30
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Liu X, Liu X, Li C, Yang B, Wang L. Defect engineering of electrocatalysts for metal-based battery. CHINESE JOURNAL OF CATALYSIS 2023. [DOI: 10.1016/s1872-2067(22)64168-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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31
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Cavalcante LSR, Dettmann MA, Sours T, Yang D, Daemen LL, Gates BC, Kulkarni AR, Moulé AJ. Elucidating correlated defects in metal organic frameworks using theory-guided inelastic neutron scattering spectroscopy. MATERIALS HORIZONS 2023; 10:187-196. [PMID: 36330997 DOI: 10.1039/d2mh00914e] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Metal organic frameworks (MOFs) that incorporate metal oxide cluster nodes, exemplified by UiO-66, have been widely studied, especially in terms of their deviations from the ideal, defect-free crystalline structures. Although defects such as missing linkers, missing nodes, and the presence of adventitious synthesis-derived node ligands (such as acetates and formates) have been proposed, their exact structures remain unknown. Previously, it was demonstrated that defects are correlated and span multiple unit cells. The highly specialized techniques used in these studies are not easily applicable to other MOFs. Thus, there is a need to develop new experimental and computational approaches to understand the structure and properties of defects in a wider variety of MOFs. Here, we show how low-frequency phonon modes measured by inelastic neutron scattering (INS) spectroscopy can be combined with density functional theory (DFT) simulations to provide unprecedented insights into the defect structure of UiO-66. We are able to identify and assign peaks in the fingerprint region (<100 cm-1) which correspond to phonon modes only present in certain defective topologies. Specifically, this analysis suggests that our sample of UiO-66 consists of predominantly defect-free fcu regions with smaller domains corresponding to a defective bcu topology with 4 and 2 acetate ligands bound to the Zr6O8 nodes. Importantly, the INS/DFT approach provides detailed structural insights (e.g., relative positions and numbers of acetate ligands) that are not accessible with microscopy-based techniques. The quantitative agreement between DFT simulations and the experimental INS spectrum combined with the relative simplicity of sample preparation, suggests that this methodology may become part of the standard and preferred protocol for the characterization of MOFs, and, in particular, for elucidating the structure defects in these materials.
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Affiliation(s)
- Lucas S R Cavalcante
- Department of Chemical Engineering, University of California, Davis, CA, 95616, USA.
| | - Makena A Dettmann
- Department of Chemical Engineering, University of California, Davis, CA, 95616, USA.
| | - Tyler Sours
- Department of Chemical Engineering, University of California, Davis, CA, 95616, USA.
| | - Dong Yang
- Department of Chemical Engineering, University of California, Davis, CA, 95616, USA.
| | - Luke L Daemen
- Neutron Scattering Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
| | - Bruce C Gates
- Department of Chemical Engineering, University of California, Davis, CA, 95616, USA.
| | - Ambarish R Kulkarni
- Department of Chemical Engineering, University of California, Davis, CA, 95616, USA.
| | - Adam J Moulé
- Department of Chemical Engineering, University of California, Davis, CA, 95616, USA.
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32
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Balestra SRG, Semino R. Computer simulation of the early stages of self-assembly and thermal decomposition of ZIF-8. J Chem Phys 2022; 157:184502. [DOI: 10.1063/5.0128656] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
We employ all-atom well-tempered metadynamics simulations to study the mechanistic details of both the early stages of nucleation and crystal decomposition for the benchmark metal–organic framework (MOF) ZIF-8. To do so, we developed and validated a force field that reliably models the modes of coordination bonds via a Morse potential functional form and employs cationic and anionic dummy atoms to capture coordination symmetry. We also explored a set of physically relevant collective variables and carefully selected an appropriate subset for our problem at hand. After a rapid increase of the Zn–N connectivity, we observe the evaporation of small clusters in favor of a few large clusters, which leads to the formation of an amorphous highly connected aggregate. [Formula: see text] and [Formula: see text] complexes are observed with lifetimes in the order of a few picoseconds, while larger structures, such as four-, five-, and six-membered rings, have substantially longer lifetimes of a few nanoseconds. The free ligands act as “templating agents” for the formation of sodalite cages. ZIF-8 crystal decomposition results in the formation of a vitreous phase. Our findings contribute to a fundamental understanding of MOF’s synthesis that paves the way to controlling synthesis products. Furthermore, our developed force field and methodology can be applied to model solution processes that require coordination bond reactivity for other ZIFs besides ZIF-8.
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Affiliation(s)
- S. R. G. Balestra
- ICGM, Univ. Montpellier, CNRS, ENSCM, Montpellier, France
- Departamento de Sistemas Físicos, Químicos y Naturales, Universidad Pablo de Olavide, Ctra. Utrera km 1, Seville ES-41013, Spain
- Instituto de Ciencia de Materiales de Madrid, Consejo Superior de Investigaciones Científicas (ICMM-CSIC), c/ Sor Juana Inés de la Cruz 3, Madrid ES-28049, Spain
| | - R. Semino
- ICGM, Univ. Montpellier, CNRS, ENSCM, Montpellier, France
- Sorbonne Université, CNRS, Physico-chimie des Electrolytes et Nanosystèmes Interfaciaux, PHENIX, F-75005 Paris, France
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Bechis I, Sapnik AF, Tarzia A, Wolpert EH, Addicoat MA, Keen DA, Bennett TD, Jelfs KE. Modeling the Effect of Defects and Disorder in Amorphous Metal-Organic Frameworks. CHEMISTRY OF MATERIALS : A PUBLICATION OF THE AMERICAN CHEMICAL SOCIETY 2022; 34:9042-9054. [PMID: 36313398 PMCID: PMC9609304 DOI: 10.1021/acs.chemmater.2c01528] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 09/29/2022] [Indexed: 05/26/2023]
Abstract
Amorphous metal-organic frameworks (aMOFs) are a class of disordered framework materials with a defined local order given by the connectivity between inorganic nodes and organic linkers, but absent long-range order. The rational development of function for aMOFs is hindered by our limited understanding of the underlying structure-property relationships in these systems, a consequence of the absence of long-range order, which makes experimental characterization particularly challenging. Here, we use a versatile modeling approach to generate in silico structural models for an aMOF based on Fe trimers and 1,3,5-benzenetricarboxylate (BTC) linkers, Fe-BTC. We build a phase space for this material that includes nine amorphous phases with different degrees of defects and local order. These models are analyzed through a combination of structural analysis, pore analysis, and pair distribution functions. Therefore, we are able to systematically explore the effects of the variation of each of these features, both in isolation and combined, for a disordered MOF system, something that would not be possible through experiment alone. We find that the degree of local order has a greater impact on structure and properties than the degree of defects. The approach presented here is versatile and allows for the study of different structural features and MOF chemistries, enabling the derivation of design rules for the rational development of aMOFs.
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Affiliation(s)
- Irene Bechis
- Department
of Chemistry, Imperial College London, Molecular Sciences Research Hub,
White City Campus, London W12 0BZ, U.K.
| | - Adam F. Sapnik
- Department
of Materials Science and Metallurgy, University
of Cambridge, Cambridge CB3 0FS, U.K.
| | - Andrew Tarzia
- Department
of Chemistry, Imperial College London, Molecular Sciences Research Hub,
White City Campus, London W12 0BZ, U.K.
| | - Emma H. Wolpert
- Department
of Chemistry, Imperial College London, Molecular Sciences Research Hub,
White City Campus, London W12 0BZ, U.K.
| | - Matthew A. Addicoat
- School
of Science and Technology, Nottingham Trent
University, Clifton Lane, Nottingham NG11 8NS, U.K.
| | - David A. Keen
- ISIS
Neutron and Muon Facility, Rutherford Appleton
Laboratory, Harwell Campus, Didcot, Oxfordshire OX11 0QX, U.K.
| | - Thomas D. Bennett
- Department
of Materials Science and Metallurgy, University
of Cambridge, Cambridge CB3 0FS, U.K.
| | - Kim E. Jelfs
- Department
of Chemistry, Imperial College London, Molecular Sciences Research Hub,
White City Campus, London W12 0BZ, U.K.
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34
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Discrepancy quantification between experimental and simulated data of CO2 adsorption isotherm using hierarchical Bayesian estimation. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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35
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Cui K, Nair S, Sholl DS, Schmidt JR. Kinetic Model of Acid Gas Induced Defect Propagation in Zeolitic Imidazolate Frameworks. J Phys Chem Lett 2022; 13:6541-6548. [PMID: 35829725 DOI: 10.1021/acs.jpclett.2c01516] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Understanding the degradation of nanoporous materials under exposure to common acid gas contaminants (e.g., SO2, CO2, NO2, and H2S) is essential to elongate their lifetime and thus enable their practical applications in separations and catalysis. Previous theoretical investigations have focused on the formation of isolated point defects, which are insufficient to provide direct insights into the long-term evolution of the bulk properties of materials such as zeolitic imidazolate frameworks (ZIFs) under sustained acid gas exposure. To bridge this divide in both length and time scales, we developed a first-principles lattice-based kinetic model to simulate the defect propagation and bulk material breakdown in ZIFs. This model closely reproduces the experimentally measured macroscopic evolution of the time-dependent bulk materials proprieties and also yields important new insights regarding the autocatalytic nature of ZIF degradation and the spatial distribution of defects. Our results suggest new experimental directions to identify nascent defect clusters in degraded ZIFs and avenues to mitigate degradation under challenging conditions of acid gas exposure.
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Affiliation(s)
- Kai Cui
- Theoretical Chemistry Institute and Department of Chemistry, University of Wisconsin─Madison, 1101 University Avenue, Madison, Wisconsin 53706, United States
| | - Sankar Nair
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, 311 Ferst Drive NW, Atlanta, Georgia 30332, United States
| | - David S Sholl
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, 311 Ferst Drive NW, Atlanta, Georgia 30332, United States
- Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States
| | - J R Schmidt
- Theoretical Chemistry Institute and Department of Chemistry, University of Wisconsin─Madison, 1101 University Avenue, Madison, Wisconsin 53706, United States
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36
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Biran I, Houben L, Weissman H, Hildebrand M, Kronik L, Rybtchinski B. Real-Space Crystal Structure Analysis by Low-Dose Focal-Series TEM Imaging of Organic Materials with Near-Atomic Resolution. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2202088. [PMID: 35451121 DOI: 10.1002/adma.202202088] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Revised: 04/17/2022] [Indexed: 06/14/2023]
Abstract
Structural analysis of beam-sensitive materials by transmission electron microscopy (TEM) represents a significant challenge, as high-resolution TEM (HRTEM) requires high electron doses that limit its applicability to stable inorganic materials. Beam-sensitive materials, e.g., organic crystals, must be imaged under low dose conditions, leading to problematic contrast interpretation and loss of fine structural details. Here, HRTEM imaging of organic crystalline materials with near-atomic resolution of up to 1.6 Å is described, which enables real-space studies of crystal structures, as well as observation of co-existing polymorphs, crystal defects, and atoms. This is made possible by a low-dose focal-series reconstruction methodology, which provides HRTEM images where contrast reflects true object structure and can be performed on contemporary cryo-EM instruments available to many research institutions. Copper phthalocyanine (CuPc), a perchlorinated analogue of CuPc, and indigo crystalline films are imaged. In the case of indigo crystals, co-existing polymorphs and individual atoms (carbonyl oxygen) can be observed. In the case of CuPc, several polymorphs are observed, including a new one, for which the crystal structure is found based on direct in-focus imaging, accomplishing real-space crystal structure elucidation. Such direct analysis can be transformative for structure studies of organic materials.
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Affiliation(s)
- Idan Biran
- Department of Molecular Chemistry and Materials Science, Weizmann Institute of Science, Rehovot, 7610001, Israel
| | - Lothar Houben
- Department of Chemical Research Support, Weizmann Institute of Science, Rehovot, 7610001, Israel
| | - Haim Weissman
- Department of Molecular Chemistry and Materials Science, Weizmann Institute of Science, Rehovot, 7610001, Israel
| | - Mariana Hildebrand
- Department of Molecular Chemistry and Materials Science, Weizmann Institute of Science, Rehovot, 7610001, Israel
| | - Leeor Kronik
- Department of Molecular Chemistry and Materials Science, Weizmann Institute of Science, Rehovot, 7610001, Israel
| | - Boris Rybtchinski
- Department of Molecular Chemistry and Materials Science, Weizmann Institute of Science, Rehovot, 7610001, Israel
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37
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Zhang W, Chen S, Terskikh VV, Lucier BEG, Huang Y. Multinuclear solid-state NMR: Unveiling the local structure of defective MOF MIL-120. SOLID STATE NUCLEAR MAGNETIC RESONANCE 2022; 119:101793. [PMID: 35339952 DOI: 10.1016/j.ssnmr.2022.101793] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2022] [Revised: 03/11/2022] [Accepted: 03/14/2022] [Indexed: 06/14/2023]
Abstract
Metal-organic frameworks (MOFs) are emerging materials with many current and potential applications due to their unique properties. One critical feature is that the physical and chemical properties of MOFs are tunable. One of the methods for tuning MOF properties is to introduce defects by design for desired applications. Characterization of MOF defects is important, but very challenging due to the local nature and short-range ordering. In this work, we have introduced the ordered vacancies (the defects) in the form of the coordinatively unsaturated sites (CUSs) into the framework of MOF MIL-120(Al). The creation of ordered vacancies is achieved by replacing one quarter of the BTEC (1,2,4,5-benzenetetracarboxylate) with BDC (benzene-1,4-dicarboxylate) linkers. Both parent and defective MOFs were characterized by multinuclear solid-state NMR spectroscopy. 1H MAS NMR is used to characterize the hydrogen bonding in these MOFs, whereas 13C CP MAS NMR confirms unambiguously that the BDC is incorporated into the framework. One-dimensional 27Al MAS NMR provides direct evidence of the coordinatively unsaturated Al sites (the defects). Furthermore, 27Al 3QMAS experiments at 21.1 T allow direct identification of one penta-coordinated and three chemically inequivalent octahedral Al sites in the defective MIL-120(Al). Two of the above-mentioned octahedral Al sites are in the domain which appears defect-free. The third octahedral Al site is near the defective site. This work clearly demonstrates the power of solid-state NMR spectroscopy for characterization of defective MOFs.
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Affiliation(s)
- Wanli Zhang
- Department of Chemistry, The University of Western Ontario, London, Ontario, N6A 5B7, Canada
| | - Shoushun Chen
- Frontiers Science Center for Rare Isotopes, Lanzhou Magnetic Resonance Center, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, China
| | - Victor V Terskikh
- Metrology, National Research Council Canada, Ottawa, Ontario, K1A 0R6, Canada
| | - Bryan E G Lucier
- Department of Chemistry, The University of Western Ontario, London, Ontario, N6A 5B7, Canada
| | - Yining Huang
- Department of Chemistry, The University of Western Ontario, London, Ontario, N6A 5B7, Canada.
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38
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Kiaei K, Nord MT, Chiu NC, Stylianou KC. Degradation of G-Type Nerve Agent Simulant with Phase-Inverted Spherical Polymeric-MOF Catalysts. ACS APPLIED MATERIALS & INTERFACES 2022; 14:19747-19755. [PMID: 35445601 DOI: 10.1021/acsami.2c03325] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
For the neutralization of chemical warfare agents (CWAs), the generation of an effective catalyst that can be handled safely and applied in personal protective equipment is required. Recently, zirconium-based metal-organic frameworks (Zr-MOFs: UiO-66 and UiO-67) have shown great promise in the degradation of CWAs, including nerve agents. Their catalytic activity is owed to the interplay of both Zr(IV) Lewis acids and Lewis basic groups in the MOF structure. The latter act as proximal bases that can interact with CWAs and improve the catalytic activity of Zr-MOFs. The powder form of MOFs, though, makes them impractical catalysts, as it is challenging to handle, regenerate, and reuse them. To address this challenge, we have synthesized three Zr-MOFs with Lewis basic amino and pyridine functionalities and shaped them in spherical polymeric beads using the phase inversion method. Using this method, we can generate beads with many polymer and MOF combinations (MOF@polymer). We controlled the MOF loading in these beads, and scanning electron microscopy images revealed that the MOF crystals are evenly distributed in the polymeric matrix, ensuring effective catalytic activity. We used these beads to degrade dimethyl p-nitrophenyl phosphate (DMNP), a simulant for the G-type nerve agent. Using 31P NMR, we showed that UiO-66-NH2@PES and UiO-67-(NH2)2@PES PES: poly(ether sulfone) beads destruct DMNP to dimethyl phosphate (DMP) with a half-life (t1/2) of 5.09 and 4.34 min, respectively. Beads made of hydrophobic polymers such as poly(vinylidene fluoride) (PVDF), polystyrene (PS), and Zr-MOFs with pyridine functionalities show that the quantitative hydrolysis of DMNP requires more time compared to that seen with the UiO-66-NH2@PES beads. Our work highlights the facile shaping of MOF powders into beads that can be easily regenerated with their catalytic activity to be maintained for at least three cycles of use.
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Affiliation(s)
- Kimia Kiaei
- Materials Discovery Laboratory (MaD Lab), 153 Gilbert Hall, Department of Chemistry, Oregon State University, Corvallis, Oregon 97331, United States
| | - Makenzie T Nord
- Materials Discovery Laboratory (MaD Lab), 153 Gilbert Hall, Department of Chemistry, Oregon State University, Corvallis, Oregon 97331, United States
| | - Nan-Chieh Chiu
- Materials Discovery Laboratory (MaD Lab), 153 Gilbert Hall, Department of Chemistry, Oregon State University, Corvallis, Oregon 97331, United States
| | - Kyriakos C Stylianou
- Materials Discovery Laboratory (MaD Lab), 153 Gilbert Hall, Department of Chemistry, Oregon State University, Corvallis, Oregon 97331, United States
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39
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Fu M, Deng X, Wang SQ, Yang F, Lin LC, Zaworotko MJ, Dong Y. Scalable robust nano-porous Zr-based MOF adsorbent with high-capacity for sustainable water purification. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.120620] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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40
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Li B, You X, Wu H, Li R, Xiao K, Ren Y, Wang H, Song S, Wang Y, Pu Y, Huang X, Jiang Z. A facile metal ion pre-anchored strategy for fabrication of defect-free MOF membranes on polymeric substrates. J Memb Sci 2022. [DOI: 10.1016/j.memsci.2022.120419] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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41
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Sapnik AF, Bechis I, Bumstead AM, Johnson T, Chater PA, Keen DA, Jelfs KE, Bennett TD. Multivariate analysis of disorder in metal-organic frameworks. Nat Commun 2022; 13:2173. [PMID: 35449202 PMCID: PMC9023516 DOI: 10.1038/s41467-022-29849-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Accepted: 03/30/2022] [Indexed: 12/04/2022] Open
Abstract
The rational design of disordered frameworks is an appealing route to target functional materials. However, intentional realisation of such materials relies on our ability to readily characterise and quantify structural disorder. Here, we use multivariate analysis of pair distribution functions to fingerprint and quantify the disorder within a series of compositionally identical metal–organic frameworks, possessing different crystalline, disordered, and amorphous structures. We find this approach can provide powerful insight into the kinetics and mechanism of structural collapse that links these materials. Our methodology is also extended to a very different system, namely the melting of a zeolitic imidazolate framework, to demonstrate the potential generality of this approach across many areas of disordered structural chemistry. Structural disorder in materials is challenging to characterise. Here, the authors use multivariate analysis of atomic pair distribution functions to study structural collapse and melting of metal–organic frameworks, revealing powerful mechanistic and kinetic insight.
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Affiliation(s)
- Adam F Sapnik
- Department of Materials Science and Metallurgy, University of Cambridge, Cambridge, CB3 0FS, UK
| | - Irene Bechis
- Department of Chemistry, Imperial College London, Molecular Sciences Research Hub, White City Campus, London, W12 0BZ, UK
| | - Alice M Bumstead
- Department of Materials Science and Metallurgy, University of Cambridge, Cambridge, CB3 0FS, UK
| | - Timothy Johnson
- Johnson Matthey Technology Centre, Blount's Court, Sonning Common, Reading, RG4 9NH, UK
| | - Philip A Chater
- Diamond Light Source Ltd, Diamond House, Harwell Campus, Didcot, Oxfordshire, OX11 0DE, UK
| | - David A Keen
- ISIS Neutron and Muon Facility, Rutherford Appleton Laboratory, Harwell Campus, Didcot, Oxfordshire, OX11 0QX, UK
| | - Kim E Jelfs
- Department of Chemistry, Imperial College London, Molecular Sciences Research Hub, White City Campus, London, W12 0BZ, UK
| | - Thomas D Bennett
- Department of Materials Science and Metallurgy, University of Cambridge, Cambridge, CB3 0FS, UK.
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42
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Behera P, Subudhi S, Tripathy SP, Parida K. MOF derived nano-materials: A recent progress in strategic fabrication, characterization and mechanistic insight towards divergent photocatalytic applications. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2021.214392] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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43
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Steinert DM, Schmitz A, Fetzer M, Seifert P, Janiak C. A caveat on the effect of modulators in the synthesis of the aluminum furandicarboylate metal‐organic framework MIL‐160. Z Anorg Allg Chem 2022. [DOI: 10.1002/zaac.202100380] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
| | - Alexa Schmitz
- Heinrich Heine University Düsseldorf: Heinrich-Heine-Universitat Dusseldorf GERMANY
| | - Marcus Fetzer
- Heinrich Heine University Düsseldorf: Heinrich-Heine-Universitat Dusseldorf GERMANY
| | - Philipp Seifert
- Heinrich Heine University Düsseldorf: Heinrich-Heine-Universitat Dusseldorf GERMANY
| | - Christoph Janiak
- Heinrich-Heine-Universität Düsseldorf: Heinrich-Heine-Universitat Dusseldorf Institut für Anorganische Chemie und Strukturchemie Universitätsstr. 1 40225 Düsseldorf GERMANY
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44
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Gangu KK, Jonnalagadda SB. A Review on Metal-Organic Frameworks as Congenial Heterogeneous Catalysts for Potential Organic Transformations. Front Chem 2022; 9:747615. [PMID: 34976945 PMCID: PMC8718437 DOI: 10.3389/fchem.2021.747615] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Accepted: 11/26/2021] [Indexed: 11/13/2022] Open
Abstract
Metal-organic frameworks (MOFs) have emerged as versatile candidates of interest in heterogeneous catalysis. Recent research and developments with MOFs positively endorse their role as catalysts in generating invaluable organic compounds. To harness the full potential of MOFs in value-added organic transformation, a comprehensive look at how these materials are likely to involve in the catalytic processes is essential. Mainstays of MOFs such as metal nodes, linkers, encapsulation materials, and enveloped structures tend to produce capable catalytic active sites that offer solutions to reduce human efforts in developing new organic reactions. The main advantages of choosing MOFs as reusable catalysts are the flexible and robust skeleton, regular porosity, high pore volume, and accessible synthesis accompanied with cost-effectiveness. As hosts for active metals, sole MOFs, modified MOFs, and MOFs have made remarkable advances as solid catalysts. The extensive exploration of the MOFs possibly led to their fast adoption in fabricating new biological molecules such as pyridines, quinolines, quinazolinones, imines, and their derivatives. This review covers the varied MOFs and their catalytic properties in facilitating the selective formation of the product organic moieties and interprets MOF’s property responsible for their elegant performance.
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Affiliation(s)
- Kranthi Kumar Gangu
- Vignan's Institute of Information Technology, Visakhapatnam, India.,School of Chemistry and Physics, Westville Campus, University of KwaZulu-Natal, Durban, South Africa
| | - Sreekantha B Jonnalagadda
- School of Chemistry and Physics, Westville Campus, University of KwaZulu-Natal, Durban, South Africa
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45
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Chen SS, Yang ZJ, Chang CH, Koh HU, Al-Saeedi SI, Tung KL, Wu KCW. Interfacial nanoarchitectonics for ZIF-8 membranes with enhanced gas separation. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2022; 13:313-324. [PMID: 35386948 PMCID: PMC8965340 DOI: 10.3762/bjnano.13.26] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Accepted: 03/10/2022] [Indexed: 05/09/2023]
Abstract
Metal-organic framework (MOF) membranes are potentially useful in gas separation applications. Conventional methods of MOF membrane preparation require multiple steps and high-pressure conditions. In this study, a reliable one-step interfacial synthesis method under atmospheric pressure has been developed to prepare zeolitic imidazolate framework-8 (ZIF-8) membranes supported on porous α-Al2O3 disks. To obtain optimal ZIF-8 membranes, three reaction parameters were investigated, namely, reaction temperature, reaction time, and concentration of the organic linker (i.e., 2-methylimidazole). The growth of ZIF-8 membranes under various parameters was evaluated by field-emission scanning electron microscopy, and the optimal synthesis conditions were determined (i.e., 80 °C for 12 h in 50 mM of 2-methylimidazole). The as-synthesized ZIF-8 membranes were then applied to CO2/N2 gas separation, which exhibited a maximum separation factor of 5.49 and CO2 gas permeance of 0.47 × 10-7 mol·m-2·s-1·Pa-1.
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Affiliation(s)
- Season S Chen
- School of Energy and Environment, City University of Hong Kong, Kowloon, Hong Kong SAR, 999077, China
| | - Zhen-Jie Yang
- Department of Chemical Engineering, National Taiwan University, No. 1, Sec. 4, Roosevelt Road, Taipei 10617, Taiwan
| | - Chia-Hao Chang
- Department of Chemical Engineering, National Taiwan University, No. 1, Sec. 4, Roosevelt Road, Taipei 10617, Taiwan
| | - Hoong-Uei Koh
- Department of Chemical Engineering, National Taiwan University, No. 1, Sec. 4, Roosevelt Road, Taipei 10617, Taiwan
| | - Sameerah I Al-Saeedi
- Department of Chemistry, College of Science, Princess Nourah bint Abdulrahman University P.O.Box 84428. Riyadh 116711, Saudi Arabia
| | - Kuo-Lun Tung
- Department of Chemical Engineering, National Taiwan University, No. 1, Sec. 4, Roosevelt Road, Taipei 10617, Taiwan
| | - Kevin C-W Wu
- Department of Chemical Engineering, National Taiwan University, No. 1, Sec. 4, Roosevelt Road, Taipei 10617, Taiwan
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46
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Xiaotong H, Wang J, Mousavi B, Klomkliang N, Chaemchuen S. Strategies for induced defects in metal-organic frameworks for enhancing adsorption and catalytic performance. Dalton Trans 2022; 51:8133-8159. [DOI: 10.1039/d2dt01030e] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Metal-organic frameworks (MOFs) have emerged among porous materials. The designable structure and specific functionality make them stand out for diverse applications. In conceptual MOF, the metal ions/clusters and organic ligands...
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47
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Pair sites on Al3O nodes of the metal-organic framework MIL-100: Cooperative roles of defect and structural vacancy sites in methanol dehydration catalysis. J Catal 2021. [DOI: 10.1016/j.jcat.2021.09.006] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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48
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Deng A, Shen X, Wan Z, Li Y, Pang S, He X, Caro J, Huang A. Elimination of Grain Boundary Defects in Zeolitic Imidazolate Framework ZIF‐95 Membrane via Solvent‐Free Secondary Growth. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202110828] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Aishan Deng
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development School of Chemistry and Molecular Engineering East China Normal University 500 Dongchuan Road 200241 Shanghai China
| | - Xintian Shen
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development School of Chemistry and Molecular Engineering East China Normal University 500 Dongchuan Road 200241 Shanghai China
| | - Zheng Wan
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development School of Chemistry and Molecular Engineering East China Normal University 500 Dongchuan Road 200241 Shanghai China
| | - Yanhong Li
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development School of Chemistry and Molecular Engineering East China Normal University 500 Dongchuan Road 200241 Shanghai China
| | - Shuyue Pang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development School of Chemistry and Molecular Engineering East China Normal University 500 Dongchuan Road 200241 Shanghai China
| | - Xiao He
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development School of Chemistry and Molecular Engineering East China Normal University 500 Dongchuan Road 200241 Shanghai China
| | - Jürgen Caro
- Institute of Physical Chemistry and Electrochemistry Leibniz University Hanover Callinstr. 3A 30167 Hannover Germany
| | - Aisheng Huang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development School of Chemistry and Molecular Engineering East China Normal University 500 Dongchuan Road 200241 Shanghai China
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49
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Deng A, Shen X, Wan Z, Li Y, Pang S, He X, Caro J, Huang A. Elimination of Grain Boundary Defects in Zeolitic Imidazolate Framework ZIF-95 Membrane via Solvent-Free Secondary Growth. Angew Chem Int Ed Engl 2021; 60:25463-25467. [PMID: 34549499 DOI: 10.1002/anie.202110828] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Revised: 09/05/2021] [Indexed: 11/11/2022]
Abstract
Metal-organic framework membranes are usually prepared by in situ or secondary growth in a solution/hydrogel. The use of organic solvents may cause safety and environmental problems and produce solvent-induced defects. Here, highly oriented and permselective ZIF-95 membranes are prepared for the first time via a solvent-free secondary growth method. The solvent-free growth is not only helpful to control the membrane microstructure and thickness, but also to reduce the intercrystalline defects. In case of solvent-free growth, a perfectly oriented structure leads to an outstanding reduction of intercrystalline defects and transport resistances. For the separation of equimolar binary gas mixtures by using the highly oriented ZIF-95 membrane at 25 °C and 1 bar, the mixture separation factors of H2 /CO2 and H2 /CH4 are 184 and 140, respectively, with H2 permeance of over 1.9×10-7 mol m-2 s-1 Pa-1 which are much higher than those of the randomly oriented ZIF-95 membrane.
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Affiliation(s)
- Aishan Deng
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University, 500 Dongchuan Road, 200241, Shanghai, China
| | - Xintian Shen
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University, 500 Dongchuan Road, 200241, Shanghai, China
| | - Zheng Wan
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University, 500 Dongchuan Road, 200241, Shanghai, China
| | - Yanhong Li
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University, 500 Dongchuan Road, 200241, Shanghai, China
| | - Shuyue Pang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University, 500 Dongchuan Road, 200241, Shanghai, China
| | - Xiao He
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University, 500 Dongchuan Road, 200241, Shanghai, China
| | - Jürgen Caro
- Institute of Physical Chemistry and Electrochemistry, Leibniz University Hanover, Callinstr. 3A, 30167, Hannover, Germany
| | - Aisheng Huang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University, 500 Dongchuan Road, 200241, Shanghai, China
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Yoon S, Talin AA, Stavila V, Mroz AM, Bennett TD, He Y, Keen DA, Hendon CH, Allendorf MD, So MC. From n- to p-Type Material: Effect of Metal Ion on Charge Transport in Metal-Organic Materials. ACS APPLIED MATERIALS & INTERFACES 2021; 13:52055-52062. [PMID: 34061490 DOI: 10.1021/acsami.1c09130] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
An intriguing new class of two-dimensional (2D) materials based on metal-organic frameworks (MOFs) has recently been developed that displays electrical conductivity, a rarity among these nanoporous materials. The emergence of conducting MOFs raises questions about their fundamental electronic properties, but few studies exist in this regard. Here, we present an integrated theory and experimental investigation to probe the effects of metal substitution on the charge transport properties of M-HITP, where M = Ni or Pt and HITP = 2,3,6,7,10,11-hexaiminotriphenylene. The results show that the identity of the M-HITP majority charge carrier can be changed without intentional introduction of electronically active dopants. We observe that the selection of the metal ion substantially affects charge transport. Using the known structure, Ni-HITP, we synthesized a new amorphous material, a-Pt-HITP, which although amorphous is nevertheless found to be porous upon desolvation. Importantly, this new material exhibits p-type charge transport behavior, unlike Ni-HITP, which displays n-type charge transport. These results demonstrate that both p- and n-type materials can be achieved within the same MOF topology through appropriate choice of the metal ion.
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Affiliation(s)
- Sungwon Yoon
- Department of Chemistry and Biochemistry, California State University Chico, Chico, California 95973, United States
- Department of Chemistry, University of Houston, Houston, Texas 77204, United States
| | - A Alec Talin
- Sandia National Laboratories, Livermore, California 94551, United States
| | - Vitalie Stavila
- Sandia National Laboratories, Livermore, California 94551, United States
| | - Austin M Mroz
- Department of Chemistry and Biochemistry, University of Oregon, Eugene, Oregon 97401, United States
| | - Thomas D Bennett
- Department of Materials Science and Metallurgy, University of Cambridge, Cambridge CB3 0FS, United Kingdom
| | - Yuping He
- Department of Chemistry, University of Houston, Houston, Texas 77204, United States
| | - David A Keen
- ISIS Facility, Rutherford Appleton Laboratory, Harwell Campus, Didcot OX11 0QX, United Kingdom
| | - Christopher H Hendon
- Department of Chemistry and Biochemistry, University of Oregon, Eugene, Oregon 97401, United States
| | - Mark D Allendorf
- Sandia National Laboratories, Livermore, California 94551, United States
| | - Monica C So
- Department of Chemistry and Biochemistry, California State University Chico, Chico, California 95973, United States
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