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Woo H, Robinson JW, Matzger AJ. Solvent Exchange Dynamics in M 2(dobdc): An Interplay among Binding Strength, Exchange Kinetics, and Cooperativity. J Am Chem Soc 2024; 146:18136-18142. [PMID: 38904401 DOI: 10.1021/jacs.4c05355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/22/2024]
Abstract
Solvent exchange is a crucial step in ensuring the complete activation of metal-organic frameworks (MOFs); however, the conditions for solvent exchange vary among MOFs, even within the isostructural variants. This study examines the factors contributing to solvent exchange by investigating the isostructural M2(dobdc) (M═Mg, Co, Zn) series. Common solvents N,N-dimethylformamide (DMF), ethanol (EtOH), and methanol (MeOH) are employed to assess the solvent exchange at coordinatively unsaturated sites (CUS) of M2(dobdc). By monitoring both solvents released from the MOF during solvent exchange and the coordination environment of metals within the MOF, a picture is constructed of exchange rates during early stages of solvent exchange as well as expulsion of the last traces of bound solvents. This differentiation is achieved by a combination of bulk monitoring of solvent phase composition and microscopic application of Raman spectroscopy on the single-crystal level. The kinetics of solvent replacement is revealed to have a substantial contribution from cooperativity; this phenomenon is observed in both the forward and reverse directions. Thermogravimetric analysis coupled with IR spectroscopy and density functional theory (DFT) calculations are employed to elucidate the relationship between solvent exchange rates and solvent binding energy. The solvent exchange rates are determined by the kinetic barriers of solvent exchange that do not follow the order of the solvent binding affinity. This work contributes to understanding the solvent exchange of MOFs by examining the interplay among the binding strength, exchange kinetics, and cooperativity. It further provides valuable insights for scrutinizing MOF activation protocols.
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Affiliation(s)
- Hochul Woo
- Department of Chemistry, University of Michigan, 930 North University Avenue, Ann Arbor, Michigan 48109, United States
- Macromolecular Science and Engineering Program, University of Michigan, Ann Arbor, Michigan 48109-1055, United States
| | - John W Robinson
- Department of Chemistry, University of Michigan, 930 North University Avenue, Ann Arbor, Michigan 48109, United States
| | - Adam J Matzger
- Department of Chemistry, University of Michigan, 930 North University Avenue, Ann Arbor, Michigan 48109, United States
- Macromolecular Science and Engineering Program, University of Michigan, Ann Arbor, Michigan 48109-1055, United States
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Sikma RE, Butler KS, Vogel DJ, Harvey JA, Sava Gallis DF. Quest for Multifunctionality: Current Progress in the Characterization of Heterometallic Metal-Organic Frameworks. J Am Chem Soc 2024; 146:5715-5734. [PMID: 38364319 DOI: 10.1021/jacs.3c05425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/18/2024]
Abstract
Metal-organic frameworks (MOFs) are a class of porous, crystalline materials that have been systematically developed for a broad range of applications. Incorporation of two or more metals into a single crystalline phase to generate heterometallic MOFs has been shown to lead to synergistic effects, in which the whole is oftentimes greater than the sum of its parts. Because geometric proximity is typically required for metals to function cooperatively, deciphering and controlling metal distributions in heterometallic MOFs is crucial to establish structure-function relationships. However, determination of short- and long-range metal distributions is nontrivial and requires the use of specialized characterization techniques. Advancements in the characterization of metal distributions and interactions at these length scales is key to rapid advancement and rational design of functional heterometallic MOFs. This perspective summarizes the state-of-the-art in the characterization of heterometallic MOFs, with a focus on techniques that allow metal distributions to be better understood. Using complementary analyses, in conjunction with computational methods, is critical as this field moves toward increasingly complex, multifunctional systems.
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Affiliation(s)
- R Eric Sikma
- Nanoscale Sciences Department, Sandia National Laboratories, Albuquerque, New Mexico 87185, United States
| | - Kimberly S Butler
- Molecular and Microbiology Department, Sandia National Laboratories, Albuquerque, New Mexico 87185, United States
| | - Dayton J Vogel
- Computational Materials & Data Science Department, Sandia National Laboratories, Albuquerque, New Mexico 87185, United States
| | - Jacob A Harvey
- Geochemistry Department, Sandia National Laboratories, Albuquerque, New Mexico 87185, United States
| | - Dorina F Sava Gallis
- Nanoscale Sciences Department, Sandia National Laboratories, Albuquerque, New Mexico 87185, United States
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Yan T, Hou H, Wu C, Cai Y, Yin A, Cao Z, Liu Z, He P, Xu J. Unraveling the molecular mechanism for enhanced gas adsorption in mixed-metal MOFs via solid-state NMR spectroscopy. Proc Natl Acad Sci U S A 2024; 121:e2312959121. [PMID: 38300865 PMCID: PMC10861867 DOI: 10.1073/pnas.2312959121] [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: 08/03/2023] [Accepted: 12/07/2023] [Indexed: 02/03/2024] Open
Abstract
The incorporation of multiple metal ions in metal-organic frameworks (MOFs) through one-pot synthesis can induce unique properties originating from specific atomic-scale spatial apportionment, but the extraction of this crucial information poses challenges. Herein, nondestructive solid-state NMR spectroscopy was used to discern the atomic-scale metal apportionment in a series of bulk Mg1-xCox-MOF-74 samples via identification and quantification of eight distinct arrangements of Mg/Co ions labeled with a 13C-carboxylate, relative to Co content. Due to the structural characteristics of metal-oxygen chains, the number of metal permutations is infinite for Mg1-xCox-MOF-74, making the resolution of atomic-scale metal apportionment particularly challenging. The results were then employed in density functional theory calculations to unravel the molecular mechanism underlying the macroscopic adsorption properties of several industrially significant gases. It is found that the incorporation of weak adsorption sites (Mg2+ for CO and Co2+ for CO2 adsorption) into the MOF structure counterintuitively boosts the gas adsorption energy on strong sites (Co2+ for CO and Mg2+ for CO2 adsorption). Such effect is significant even for Co2+ remote from Mg2+ in the metal-oxygen chain, resulting in a greater enhancement of CO adsorption across a broad composition range, while the enhancement of CO2 adsorption is restricted to Mg2+ with adjacent Co2+. Dynamic breakthrough measurements unambiguously verified the trend in gas adsorption as a function of metal composition. This research thus illuminates the interplay between atomic-scale structures and macroscopic gas adsorption properties in mixed-metal MOFs and derived materials, paving the way for developing superior functional materials.
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Affiliation(s)
- Tao Yan
- Tianjin Key Lab for Rare Earth Materials and Applications, School of Materials Science and Engineering and National Institute for Advanced Materials, Nankai University, Tianjin300350, People’s Republic of China
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan, Shanxi030001, People’s Republic of China
- National Energy Center for Coal to Clean Fuels, Synfuels China Technology Co., Ltd., Beijing101400, People’s Republic of China
- University of Chinese Academy of Sciences, Beijing100049, People’s Republic of China
| | - Huaming Hou
- National Energy Center for Coal to Clean Fuels, Synfuels China Technology Co., Ltd., Beijing101400, People’s Republic of China
| | - Changzong Wu
- Tianjin Key Lab for Rare Earth Materials and Applications, School of Materials Science and Engineering and National Institute for Advanced Materials, Nankai University, Tianjin300350, People’s Republic of China
| | - Yuhang Cai
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan, Shanxi030001, People’s Republic of China
- National Energy Center for Coal to Clean Fuels, Synfuels China Technology Co., Ltd., Beijing101400, People’s Republic of China
- University of Chinese Academy of Sciences, Beijing100049, People’s Republic of China
| | - Anping Yin
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan, Shanxi030001, People’s Republic of China
- National Energy Center for Coal to Clean Fuels, Synfuels China Technology Co., Ltd., Beijing101400, People’s Republic of China
- University of Chinese Academy of Sciences, Beijing100049, People’s Republic of China
| | - Zhi Cao
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan, Shanxi030001, People’s Republic of China
- National Energy Center for Coal to Clean Fuels, Synfuels China Technology Co., Ltd., Beijing101400, People’s Republic of China
- University of Chinese Academy of Sciences, Beijing100049, People’s Republic of China
| | - Zhong Liu
- Key Laboratory of Comprehensive and Highly Efficient Utilization of Salt Lake Resources, Qinghai Provincial Key Laboratory of Resources and Chemistry of Salt Lakes, Qinghai Institute of Salt Lakes, Chinese Academy of Sciences, Xining, Qinghai810008, People’s Republic of China
| | - Peng He
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan, Shanxi030001, People’s Republic of China
- National Energy Center for Coal to Clean Fuels, Synfuels China Technology Co., Ltd., Beijing101400, People’s Republic of China
- University of Chinese Academy of Sciences, Beijing100049, People’s Republic of China
| | - Jun Xu
- Tianjin Key Lab for Rare Earth Materials and Applications, School of Materials Science and Engineering and National Institute for Advanced Materials, Nankai University, Tianjin300350, People’s Republic of China
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Ramu S, Kainthla I, Chandrappa L, Shivanna JM, Kumaran B, Balakrishna RG. Recent advances in metal organic frameworks-based magnetic nanomaterials for waste water treatment. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:167-190. [PMID: 38044404 DOI: 10.1007/s11356-023-31162-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Accepted: 11/17/2023] [Indexed: 12/05/2023]
Abstract
Magnetic nanoparticle-incorporated metal organic frameworks (MOF) are potential composites for various applications such as catalysis, water treatment, drug delivery, gas storage, chemical sensing, and heavy metal ion removal. MOFs exhibits high porosity and flexibility enabling guest species like heavy metal ions to diffuse into bulk structure. Additionally, shape and size of the pores contribute to selectivity of the guest materials. Incorporation of magnetic materials allows easy collection of adsorbent materials from solution system making the process simple and cost-effective. In view of the above advantages in the present review article, we are discussing recent advances of different magnetic material-incorporated MOF (Mg-MOF) composite for application in photocatalytic degradation of dyes and toxic chemicals, adsorption of organic compounds, adsorption of heavy metal ions, and adsorption of dyes. The review initially discusses on properties of Mg-MOF, different synthesis techniques such as mechanochemical, sonochemical (ultrasound) synthesis, slow evaporation and diffusion methods, solvo(hydro)-thermal and iono-thermal method, microwave-assisted method, microemulsion method post-synthetic modification template strategies and followed by application in waste water treatment.
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Affiliation(s)
- Shwetharani Ramu
- Centre for Nano and Material Sciences, Jain (Deemed-to-Be University), Jain Global Campus, Kanakapura, Bangalore, Karnataka, 562112, India
| | - Itika Kainthla
- School of Physics and Material Sciences, Shoolini University, Bajhol, Solan, Himachal Pradesh, 173229, India
| | - Lavanya Chandrappa
- Centre for Nano and Material Sciences, Jain (Deemed-to-Be University), Jain Global Campus, Kanakapura, Bangalore, Karnataka, 562112, India
| | - Jyothi Mannekote Shivanna
- Department of Chemistry, AMC Engineering College, Bannerughatta Road, Bengaluru, Karnataka, 560083, India
| | - Brijesh Kumaran
- Department of Sustainable Energy Engineering, Indian Institute of Technology Kanpur, Kalyanpur, Kanpur, Uttar Pradesh, 208016, India
| | - R Geetha Balakrishna
- Centre for Nano and Material Sciences, Jain (Deemed-to-Be University), Jain Global Campus, Kanakapura, Bangalore, Karnataka, 562112, India.
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Wang MM, Xiong TZ, Chen BC, Hu JJ, Wen HR, Liu SJ. Solvent- and pH-Stable Eu(III)-Based Metal-Organic Framework with Phosphate-Ratio Fluorescence Sensing and Significant Proton Conduction. Inorg Chem 2023; 62:21322-21328. [PMID: 38071665 DOI: 10.1021/acs.inorgchem.3c03406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2023]
Abstract
Lanthanide-based metal-organic frameworks show good potential for applications due to their unique structures and functional properties. A highly thermally and acid-base stable Eu-MOF was synthesized by a solvothermal method with the molecular formula {[(CH3)2NH2]2[Eu2(NDDP)2(H2O)2]·H2O}n (Eu-MOF, H4NDDP = 5,5'-(naphthalene-2,6-diyl)diisophthalic acid). Eu-MOF takes a three-dimensional (4,4,8)-connected topology. The water molecules involved in the coordination, free water molecules, and [(CH3)2NH2]+ cations in the pore can be used as proton carriers. The proton conductivity attains 1.25 × 10-4 S cm-1 at room temperature and 2.42 × 10-3 S cm-1 at 70 °C and 98% relative humidity. Combined with the dual-emission properties from the ligands and Eu(III) ions enables Eu-MOF to be used as a ratiometric fluorescent sensor for phosphate efficiently and rapidly, with a limit of detection of 0.12 μM in the Tris-HCl buffer solution. These results provide a new approach for the construction of MOFs with high proton conductivity and a ratiometric fluorescence response.
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Affiliation(s)
- Miao-Miao Wang
- School of Chemistry and Chemical Engineering, Jiangxi Provincial Key Laboratory of Functional Molecular Materials Chemistry, Jiangxi University of Science and Technology, Ganzhou 341000, Jiangxi, P. R. China
| | - Tian-Zheng Xiong
- School of Chemistry and Chemical Engineering, Jiangxi Provincial Key Laboratory of Functional Molecular Materials Chemistry, Jiangxi University of Science and Technology, Ganzhou 341000, Jiangxi, P. R. China
| | - Bo-Chen Chen
- School of Chemistry and Chemical Engineering, Jiangxi Provincial Key Laboratory of Functional Molecular Materials Chemistry, Jiangxi University of Science and Technology, Ganzhou 341000, Jiangxi, P. R. China
| | - Jun-Jie Hu
- School of Chemistry and Chemical Engineering, Jiangxi Provincial Key Laboratory of Functional Molecular Materials Chemistry, Jiangxi University of Science and Technology, Ganzhou 341000, Jiangxi, P. R. China
| | - He-Rui Wen
- School of Chemistry and Chemical Engineering, Jiangxi Provincial Key Laboratory of Functional Molecular Materials Chemistry, Jiangxi University of Science and Technology, Ganzhou 341000, Jiangxi, P. R. China
| | - Sui-Jun Liu
- School of Chemistry and Chemical Engineering, Jiangxi Provincial Key Laboratory of Functional Molecular Materials Chemistry, Jiangxi University of Science and Technology, Ganzhou 341000, Jiangxi, P. R. China
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Muratović S, Martinez V, Karadeniz B, Pajić D, Brekalo I, Arhangelskis M, Mazaj M, Mali G, Etter M, Friščić T, Krupskaya Y, Kataev V, Žilić D, Užarević K. Low-Dimensional Magnetism in Multivariate Copper/Zinc MOF-74 Materials Formed via Different Mechanochemical Methods. Inorg Chem 2022; 61:18181-18192. [DOI: 10.1021/acs.inorgchem.2c02898] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Senada Muratović
- Rud̵er Bošković Institute, Bijenička cesta 54, 10000Zagreb, Croatia
| | | | - Bahar Karadeniz
- Rud̵er Bošković Institute, Bijenička cesta 54, 10000Zagreb, Croatia
| | - Damir Pajić
- Faculty of Science, Department of Physics, University of Zagreb, Bijenička cesta 32, 10000Zagreb, Croatia
| | - Ivana Brekalo
- Rud̵er Bošković Institute, Bijenička cesta 54, 10000Zagreb, Croatia
| | - Mihails Arhangelskis
- Faculty of Chemistry, University of Warsaw, 1 Pasteura Street, 02-093Warsaw, Poland
| | - Matjaž Mazaj
- National Institute of Chemistry, Hajdrihova 19, SI-1001Ljubljana, Slovenia
| | - Gregor Mali
- National Institute of Chemistry, Hajdrihova 19, SI-1001Ljubljana, Slovenia
| | - Martin Etter
- Deutsches Elektronen-Synchrotron DESY, Notkestraße 85, D-22607Hamburg, Germany
| | | | - Yulia Krupskaya
- Leibniz IFW Dresden, Helmholtzstrasse 20, D-01069Dresden, Germany
| | - Vladislav Kataev
- Leibniz IFW Dresden, Helmholtzstrasse 20, D-01069Dresden, Germany
| | - Dijana Žilić
- Rud̵er Bošković Institute, Bijenička cesta 54, 10000Zagreb, Croatia
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