1
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Daliran S, Oveisi AR, Kung CW, Sen U, Dhakshinamoorthy A, Chuang CH, Khajeh M, Erkartal M, Hupp JT. Defect-enabling zirconium-based metal-organic frameworks for energy and environmental remediation applications. Chem Soc Rev 2024; 53:6244-6294. [PMID: 38743011 DOI: 10.1039/d3cs01057k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/16/2024]
Abstract
This comprehensive review explores the diverse applications of defective zirconium-based metal-organic frameworks (Zr-MOFs) in energy and environmental remediation. Zr-MOFs have gained significant attention due to their unique properties, and deliberate introduction of defects further enhances their functionality. The review encompasses several areas where defective Zr-MOFs exhibit promise, including environmental remediation, detoxification of chemical warfare agents, photocatalytic energy conversions, and electrochemical applications. Defects play a pivotal role by creating open sites within the framework, facilitating effective adsorption and remediation of pollutants. They also contribute to the catalytic activity of Zr-MOFs, enabling efficient energy conversion processes such as hydrogen production and CO2 reduction. The review underscores the importance of defect manipulation, including control over their distribution and type, to optimize the performance of Zr-MOFs. Through tailored defect engineering and precise selection of functional groups, researchers can enhance the selectivity and efficiency of Zr-MOFs for specific applications. Additionally, pore size manipulation influences the adsorption capacity and transport properties of Zr-MOFs, further expanding their potential in environmental remediation and energy conversion. Defective Zr-MOFs exhibit remarkable stability and synthetic versatility, making them suitable for diverse environmental conditions and allowing for the introduction of missing linkers, cluster defects, or post-synthetic modifications to precisely tailor their properties. Overall, this review highlights the promising prospects of defective Zr-MOFs in addressing energy and environmental challenges, positioning them as versatile tools for sustainable solutions and paving the way for advancements in various sectors toward a cleaner and more sustainable future.
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Affiliation(s)
- Saba Daliran
- Department of Organic Chemistry, Faculty of Chemistry, Lorestan University, Khorramabad 68151-44316, Iran.
| | - Ali Reza Oveisi
- Department of Chemistry, University of Zabol, P.O. Box: 98615-538, Zabol, Iran.
| | - Chung-Wei Kung
- Department of Chemical Engineering, National Cheng Kung University, 1 University Road, Tainan City 70101, Taiwan.
| | - Unal Sen
- Department of Materials Science and Engineering, Faculty of Engineering, Eskisehir Technical University, Eskisehir 26555, Turkey
| | - Amarajothi Dhakshinamoorthy
- Departamento de Quimica, Universitat Politècnica de València, Av. De los Naranjos s/n, 46022 Valencia, Spain
- School of Chemistry, Madurai Kamaraj University, Madurai 625021, India
| | - Cheng-Hsun Chuang
- Department of Chemical Engineering, National Cheng Kung University, 1 University Road, Tainan City 70101, Taiwan.
| | - Mostafa Khajeh
- Department of Chemistry, University of Zabol, P.O. Box: 98615-538, Zabol, Iran.
| | - Mustafa Erkartal
- Department of Basic Sciences, Faculty of Engineering, Architecture and Design, Bartin University, Bartin 74110, Turkey
| | - Joseph T Hupp
- Department of Chemistry, Northwestern University, Evanston, Illinois 60208, USA.
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2
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Yang D, Gates BC. Analyzing Stabilities of Metal-Organic Frameworks: Correlation of Stability with Node Coordination to Linkers and Degree of Node Metal Hydrolysis. THE JOURNAL OF PHYSICAL CHEMISTRY. C, NANOMATERIALS AND INTERFACES 2024; 128:8551-8559. [PMID: 38835934 PMCID: PMC11145649 DOI: 10.1021/acs.jpcc.4c02105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/31/2024] [Revised: 04/16/2024] [Accepted: 04/19/2024] [Indexed: 06/06/2024]
Abstract
Among the important properties of metal-organic frameworks (MOFs) is stability, which may limit applications, for example, in separations and catalysis. Many MOFs consist of metal oxo cluster nodes connected by carboxylate linkers. Addressing MOF stability, we highlight connections between metal oxo cluster chemistry and MOF node chemistry, including results characterizing Keggin ions and biological clusters. MOF syntheses yield diverse metal oxo cluster node structures, with varying numbers of metal atoms (3-13) and the tendency to form chains. MOF stabilities reflect a balance between the number of node-linker connections and the degree of node hydrolysis. We summarize literature results showing how MOF stability (the temperature of decomposition in air) depends on the degree of hydrolysis/condensation of the node metals, which is correlated to their degree of substitution with linkers. We suggest that this correlation may help guide the discovery of stable new MOFs, and we foresee opportunities for progress in MOF chemistry emerging from progress in metal oxo cluster chemistry.
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Affiliation(s)
- Dong Yang
- Department of Chemical Engineering, University of California, Davis, Davis, California 95616, United States
| | - Bruce C. Gates
- Department of Chemical Engineering, University of California, Davis, Davis, California 95616, United States
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3
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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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4
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Liu J, Prelesnik JL, Patel R, Kramar BV, Wang R, Malliakas CD, Chen LX, Siepmann JI, Hupp JT. A Nanocavitation Approach to Understanding Water Capture, Water Release, and Framework Physical Stability in Hierarchically Porous MOFs. J Am Chem Soc 2023; 145:27975-27983. [PMID: 38085867 DOI: 10.1021/jacs.3c07624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2023]
Abstract
Chemically stable metal-organic frameworks (MOFs) featuring interconnected hierarchical pores have proven to be promising for a remarkable variety of applications. Nevertheless, the framework's susceptibility to capillary-force-induced pore collapse, especially during water evacuation, has often limited practical applications. Methodologies capable of predicting the relative magnitudes of these forces as functions of the pore size, chemical composition of the pore walls, and fluid loading would be valuable for resolution of the pore collapse problem. Here, we report that a molecular simulation approach centered on evacuation-induced nanocavitation within fluids occupying MOF pores can yield the desired physical-force information. The computations can spatially pinpoint evacuation elements responsible for collapse and the chemical basis for mitigation of the collapse of modified pores. Experimental isotherms and difference-electron density measurements of the MOF NU-1000 and four chemical variants validate the computational approach and corroborate predictions regarding relative stability, anomalous sequence of pore-filling, and chemical basis for mitigation of destructive forces.
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Affiliation(s)
- Jian Liu
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
- School of Chemistry and Materials Science, and Department of Chemical Engineering, Rochester Institute of Technology, Rochester, New York 14623, United States
| | - Jesse L Prelesnik
- Department of Chemistry and Chemical Theory Center, University of Minnesota, 207 Pleasant Street SE, Minneapolis, Minnesota 55455, United States
| | - Roshan Patel
- Department of Chemistry and Chemical Theory Center, University of Minnesota, 207 Pleasant Street SE, Minneapolis, Minnesota 55455, United States
- Department of Chemical Engineering and Materials Science, University of Minnesota, 412 Washington Avenue SE, Minneapolis, Minnesota 55455, United States
| | - Boris V Kramar
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Rui Wang
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Christos D Malliakas
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Lin X Chen
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
- Chemical Sciences and Engineering Division, Argonne National Laboratory, Argonne, Illinois 60439, United States
| | - J Ilja Siepmann
- Department of Chemistry and Chemical Theory Center, University of Minnesota, 207 Pleasant Street SE, Minneapolis, Minnesota 55455, United States
- Department of Chemical Engineering and Materials Science, University of Minnesota, 412 Washington Avenue SE, Minneapolis, Minnesota 55455, United States
| | - Joseph T Hupp
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
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5
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Xiao Y, Zhang M, Yang D, Zhang L, Zhuang S, Tang J, Zhang Z, Qiao X. Synergy of Paired Brønsted-Lewis Acid Sites on Defects of Zr-MIL-140A for Methanol Dehydration. ACS APPLIED MATERIALS & INTERFACES 2023. [PMID: 37452745 DOI: 10.1021/acsami.3c02939] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/18/2023]
Abstract
As a common defect-capping ligand in metal-organic frameworks (MOFs), the hydroxyl group normally exhibits Brønsted acidity or basicity, but the presence of inherent hydroxyl groups in the MOF structure makes it a great challenge to identify the exact role of defect-capping hydroxyl groups in catalysis. Herein, we used hydroxyl-free MIL-140A as the platform to generate terminal hydroxyl groups on defect sites via a continuous post-synthetic treatment. The structure and acidity of MIL-140A were properly characterized. The hydroxyl-contained MIL-140A-OH exhibited 4.6-fold higher activity than the pristine MIL-140A in methanol dehydration. Spectroscopic and computational investigations demonstrated that the reaction was initiated by the respective adsorption of two methanol molecules on the terminal-OH and the adjacent Zr vacancy. The dehydration of the adsorbed methanol molecules then occurred in the Brønsted-Lewis acid site co-participated associative pathway with the lowest energy barrier.
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Affiliation(s)
- Yue Xiao
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Minxin Zhang
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Dong Yang
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Lixiong Zhang
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Shangpu Zhuang
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Jihai Tang
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Zhuxiu Zhang
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Xu Qiao
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 211816, China
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6
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Ahmad BIZ, Keasler KT, Stacy EE, Meng S, Hicks TJ, Milner PJ. MOFganic Chemistry: Challenges and Opportunities for Metal-Organic Frameworks in Synthetic Organic Chemistry. CHEMISTRY OF MATERIALS : A PUBLICATION OF THE AMERICAN CHEMICAL SOCIETY 2023; 35:4883-4896. [PMID: 38222037 PMCID: PMC10785605 DOI: 10.1021/acs.chemmater.3c00741] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/16/2024]
Abstract
Metal-organic frameworks (MOFs) are porous, crystalline solids constructed from organic linkers and inorganic nodes that have been widely studied for applications in gas storage, chemical separations, and drug delivery. Owing to their highly modular structures and tunable pore environments, we propose that MOFs have significant untapped potential as catalysts and reagents relevant to the synthesis of next-generation therapeutics. Herein, we outline the properties of MOFs that make them promising for applications in synthetic organic chemistry, including new reactivity and selectivity, enhanced robustness, and user-friendly preparation. In addition, we outline the challenges facing the field and propose new directions to maximize the utility of MOFs for drug synthesis. This perspective aims to bring together the organic and MOF communities to develop new heterogeneous platforms capable of achieving synthetic transformations that cannot be replicated by homogeneous systems.
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Affiliation(s)
- Bayu I. Z. Ahmad
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, NY, 14853, United States
| | - Kaitlyn T. Keasler
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, NY, 14853, United States
| | - Emily E. Stacy
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, NY, 14853, United States
| | - Sijing Meng
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, NY, 14853, United States
| | - Thomas J. Hicks
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, NY, 14853, United States
| | - Phillip J. Milner
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, NY, 14853, United States
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7
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Wang R, Shi K, Liu J, Snurr RQ, Hupp JT. Water-Accelerated Transport: Vapor-Phase Nerve Agent Simulant Delivery within a Catalytic Zirconium Metal-Organic Framework as a Function of Relative Humidity. J Am Chem Soc 2023. [PMID: 37314841 DOI: 10.1021/jacs.3c03708] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Zirconium-based metal-organic frameworks (MOFs) are candidate materials for effective nerve agent detoxification due to their thermo- and water stability as well as high density of catalytic Zr sites. However, as high-porosity materials, most of the active sites of Zr-MOFs can only be accessed by diffusion into the crystal interior. Therefore, the transport of nerve agents in nanopores is an important factor in the catalytic performance of Zr-MOFs. Here, we investigated the transport process and mechanism of a vapor-phase nerve agent simulant, dimethyl methyl phosphonate (DMMP), through a representative Zr-MOF, NU-1008, under practical conditions of varying humidity. Confocal Raman microscopy was used to monitor the transport of DMMP vapor through individual NU-1008 crystallites, where the relative humidity (RH) of the environment was tuned to understand the impact of water. Counterintuitively, water in the MOF channels, instead of blocking DMMP transport, assists DMMP diffusion; indeed, the transport diffusivity (Dt) of DMMP in NU-1008 is one order of magnitude higher at 70% than 0% RH. To understand the mechanism, magic angle spinning NMR and molecular dynamics simulations were performed and suggested that high water content in the channels prevents DMMP from hydrogen-bonding with the nodes, allowing for faster diffusion of DMMP in the channels. The simulated self-diffusivity (Ds) of DMMP is observed to be concentration-dependent. At low loading of DMMP, Ds is higher at 70% RH than 0% RH, while at high loadings the trend reverses due to the DMMP aggregation in water and the reduction of free volume in channels.
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Affiliation(s)
- Rui Wang
- Department of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
| | - Kaihang Shi
- Department of Chemical and Biological Engineering, Northwestern University, Evanston, Illinois 60208, United States
| | - Jian Liu
- Department of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
- School of Chemistry and Materials Science, Rochester Institute of Technology, Rochester, New York 14623, United States
| | - Randall Q Snurr
- Department of Chemical and Biological Engineering, Northwestern University, Evanston, Illinois 60208, United States
| | - Joseph T Hupp
- Department of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
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8
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Sarkar A, Kundu T, Natarajan S. Sequential Assembly and Stabilization of Cu 6S 6 Octahedral Clusters in NaCl-, NiAs-, and CdI 2-Related Structures and Their Utility toward Thermochromism and Multicomponent Hantzsch Reaction. Inorg Chem 2023; 62:4417-4434. [PMID: 36883826 DOI: 10.1021/acs.inorgchem.2c03859] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/09/2023]
Abstract
Seven new inorganic-organic coordination polymer compounds have been synthesized and their structures are determined by single-crystal structure determination. The compounds were prepared by the sequential assembly of a [Cu6(mna)6]6- moiety in the presence of a Mn salt and a secondary amine ligand. Of the seven compounds, [{Cu6(mna)6}Mn3(H2O)(H2O)1.5]·5.5H2O (I), [{Cu6(mna)6}Mn3(H2O)(Im)1.5]·3.5H2O (Ia), [{Cu6(mna)6}{Mn(BPY)(H2O)}2{Mn(H2O)4}]·2H2O (III), and [{Cu6(mna)6}{Mn(BPE)0.5(H2O)2}2{Mn(BPE)(H2O)2}] (IV) have a three-dimensional structure, whereas [{Cu6(mna)4.5(Hmna)1.5}{Mn(BPA)(H2O)2}{Mn(H2O)}]{Mn0.25(H2O)3}·7H2O (II), [{Cu6(mna)6}{Mn(4-BPDB)0.5H2O}{Mn(H2O)2}].{Mn(H2O)6}·6H2O (V), and [{Cu6(mna)4(Hmna)2}·{Mn(H2O)3}2]·(4-APY)2·6H2O (VI) have a two-dimensional structure. Some of the prepared compounds exhibit structures that closely resemble the classical inorganic structures, such as NaCl (Ia, III), NiAs (I), and CdI2 (IV and VI). The stabilization of such simple structures from the assembly of octahedral Cu6S6 clusters and different Mn species and aromatic nitrogen-containing ligands suggests the subtle interplay between the constituent reactants. The compounds were examined for the multicomponent Hantzsch reaction, which gave the product in good yields. The compounds, II and VI, on heating to 70 °C change color reversibly from pale yellow to deep red, which suggests the possible use of these compounds as thermochromic materials. The present study suggests that the Cu6S6 octahedral clusters can be assembled into structures that resemble classical inorganic structures.
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Affiliation(s)
- Anupam Sarkar
- Framework Solids Laboratory, Solid State and Structural Chemistry Unit, Indian Institute of Science, Bangalore 560012, India
| | - Tanaya Kundu
- Framework Solids Laboratory, Solid State and Structural Chemistry Unit, Indian Institute of Science, Bangalore 560012, India
| | - Srinivasan Natarajan
- Framework Solids Laboratory, Solid State and Structural Chemistry Unit, Indian Institute of Science, Bangalore 560012, India
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9
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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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10
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Severino MI, Al Mohtar A, Vieira Soares C, Freitas C, Sadovnik N, Nandi S, Mouchaham G, Pimenta V, Nouar F, Daturi M, Maurin G, Pinto ML, Serre C. MOFs with Open Metal(III) Sites for the Environmental Capture of Polar Volatile Organic Compounds. Angew Chem Int Ed Engl 2023; 62:e202211583. [PMID: 36468308 PMCID: PMC10108120 DOI: 10.1002/anie.202211583] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Revised: 11/15/2022] [Accepted: 12/02/2022] [Indexed: 12/11/2022]
Abstract
Metal-Organic Frameworks (MOFs) with open metal sites (OMS) interact strongly with a range of polar gases/vapors. However, under ambient conditions, their selective adsorption is generally impaired due to a high OMS affinity to water. This led previously to the privilege selection of hydrophobic MOFs for the selective capture/detection of volatile organic compounds (VOCs). Herein, we show that this paradigm is challenged by metal(III) polycarboxylates MOFs, bearing a high concentration of OMS, as MIL-100(Fe), enabling the selective capture of polar VOCs even in the presence of water. With experimental and computational tools, including single-component gravimetric and dynamic mixture adsorption measurements, in situ infrared (IR) spectroscopy and Density Functional Theory calculations we reveal that this adsorption mechanism involves a direct coordination of the VOC on the OMS, associated with an interaction energy that exceeds that of water. Hence, MOFs with OMS are demonstrated to be of interest for air purification purposes.
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Affiliation(s)
- Maria Inês Severino
- Institut des Matériaux Poreux de Paris (IMAP), ESPCI Paris, Ecole Normale Supérieure, CNRS, PSL University, 75005, Paris, France
| | - Abeer Al Mohtar
- CERENA, Departamento de Engenharia Química, Instituto Superior Técnico, Universidade de Lisboa, 1049-001, Lisboa, Portugal
| | | | - Cátia Freitas
- CERENA, Departamento de Engenharia Química, Instituto Superior Técnico, Universidade de Lisboa, 1049-001, Lisboa, Portugal
| | - Nicolas Sadovnik
- Normandie Univ., ENSICAEN, UNICAEN, CNRS, Laboratoire Catalyse et Spectrochimie, 14000, Caen, France
| | - Shyamapada Nandi
- Institut des Matériaux Poreux de Paris (IMAP), ESPCI Paris, Ecole Normale Supérieure, CNRS, PSL University, 75005, Paris, France
| | - Georges Mouchaham
- Institut des Matériaux Poreux de Paris (IMAP), ESPCI Paris, Ecole Normale Supérieure, CNRS, PSL University, 75005, Paris, France
| | - Vanessa Pimenta
- Institut des Matériaux Poreux de Paris (IMAP), ESPCI Paris, Ecole Normale Supérieure, CNRS, PSL University, 75005, Paris, France
| | - Farid Nouar
- Institut des Matériaux Poreux de Paris (IMAP), ESPCI Paris, Ecole Normale Supérieure, CNRS, PSL University, 75005, Paris, France
| | - Marco Daturi
- Normandie Univ., ENSICAEN, UNICAEN, CNRS, Laboratoire Catalyse et Spectrochimie, 14000, Caen, France
| | - Guillaume Maurin
- ICGM, Univ. Montpellier, CNRS, ENSCM, 34293, Montpellier, France
| | - Moisés L Pinto
- CERENA, Departamento de Engenharia Química, Instituto Superior Técnico, Universidade de Lisboa, 1049-001, Lisboa, Portugal
| | - Christian Serre
- Institut des Matériaux Poreux de Paris (IMAP), ESPCI Paris, Ecole Normale Supérieure, CNRS, PSL University, 75005, Paris, France
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11
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Rubio-Gaspar A, Navalón S, Tatay S, Cirujano FG, Fernández-Conde C, Padial NM, Martí-Gastaldo C. Metal Node Control of Brønsted Acidity in Heterobimetallic Titanium-Organic Frameworks. J Am Chem Soc 2023; 145:3855-3860. [PMID: 36689481 PMCID: PMC9951219 DOI: 10.1021/jacs.2c12718] [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: 11/29/2022] [Indexed: 01/24/2023]
Abstract
Compared to indirect framework modification, synthetic control of cluster composition can be used to gain direct access to catalytic activities exclusive of specific metal combinations. We demonstrate this concept by testing the aminolysis of epoxides with a family of isostructural mesoporous frameworks featuring five combinations of homometallic and heterobimetallic metal-oxo trimers (Fe3, Ti3, TiFe2, TiCo2, and TiNi2). Only TiFe2 nodes display activities comparable to benchmark catalysts based on grafting of strong acids, which here originate from the combination of Lewis Ti4+ and Brønsted Fe3+-OH acid sites. The applicability of MUV-101(Fe) to the synthesis of β-amino alcohols is demonstrated with a scope that also includes the gram scale synthesis of propranolol, a natural β-blocker listed as an essential medicine by the World Health Organization, with excellent yield and selectivity.
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Affiliation(s)
- Ana Rubio-Gaspar
- Functional
Inorganic Materials Team, Instituto de Ciencia Molecular (ICMol), Universitat de València, Paterna, 46980 València, Spain
| | - Sergio Navalón
- Departamento
de Química, Universitat Politècnica
de València, 46022 València, Spain
| | - Sergio Tatay
- Functional
Inorganic Materials Team, Instituto de Ciencia Molecular (ICMol), Universitat de València, Paterna, 46980 València, Spain
| | - Francisco G. Cirujano
- Functional
Inorganic Materials Team, Instituto de Ciencia Molecular (ICMol), Universitat de València, Paterna, 46980 València, Spain
| | - Carmen Fernández-Conde
- Functional
Inorganic Materials Team, Instituto de Ciencia Molecular (ICMol), Universitat de València, Paterna, 46980 València, Spain
| | - Natalia M. Padial
- Functional
Inorganic Materials Team, Instituto de Ciencia Molecular (ICMol), Universitat de València, Paterna, 46980 València, Spain
| | - Carlos Martí-Gastaldo
- Functional
Inorganic Materials Team, Instituto de Ciencia Molecular (ICMol), Universitat de València, Paterna, 46980 València, Spain
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12
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Löbbert L, Chheda S, Zheng J, Khetrapal N, Schmid J, Zhao R, Gaggioli CA, Camaioni DM, Bermejo-Deval R, Gutiérrez OY, Liu Y, Siepmann JI, Neurock M, Gagliardi L, Lercher JA. Influence of 1-Butene Adsorption on the Dimerization Activity of Single Metal Cations on UiO-66 Nodes. J Am Chem Soc 2023; 145:1407-1422. [PMID: 36598430 DOI: 10.1021/jacs.2c12192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Grafting metal cations to missing linker defect sites in zirconium-based metal-organic frameworks, such as UiO-66, produces a uniquely well-defined and homotopic catalytically active site. We present here the synthesis and characterization of a group of UiO-66-supported metal catalysts, M-UiO-66 (M = Ni, Co, Cu, and Cr), for the catalytic dimerization of alkenes. The hydrogen-deuterium exchange via deuterium oxide adsorption followed by infrared spectroscopy showed that the last molecular water ligand desorbs from the sites after evacuation at 300 °C leading to M(OH)-UiO-66 structures. Adsorption of 1-butene is studied using calorimetry and density functional theory techniques to characterize the interactions of the alkene with metal cation sites that are found active for alkene oligomerization. For the most active Ni-UiO-66, the removal of molecular water from the active site significantly increases the 1-butene adsorption enthalpy and almost doubles the catalytic activity for 1-butene dimerization in comparison to the presence of water ligands. Other M-UiO-66 (M = Co, Cu, and Cr) exhibit 1-3 orders of magnitude lower catalytic activities compared to Ni-UiO-66. The catalytic activities correlate linearly with the Gibbs free energy of 1-butene adsorption. Density functional theory calculations probing the Cossee-Arlman mechanism for all metals support the differences in activity, providing a molecular level understanding of the metal site as the active center for 1-butene dimerization.
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Affiliation(s)
- Laura Löbbert
- Department of Chemistry, Catalysis Research Center, Technical University Munich, 85747Garching, Germany
| | - Saumil Chheda
- Department of Chemical Engineering and Materials Science, University of Minnesota-Twin Cities, Minneapolis, Minnesota55455, United States.,Department of Chemistry and Chemical Theory Center, University of Minnesota-Twin Cities, Minneapolis, Minnesota55455, United States
| | - Jian Zheng
- Institute for Integrated Catalysis, Pacific Northwest National Laboratory, Richland, Washington99352, United States
| | - Navneet Khetrapal
- Department of Chemistry and Chemical Theory Center, University of Minnesota-Twin Cities, Minneapolis, Minnesota55455, United States
| | - Julian Schmid
- Institute for Integrated Catalysis, Pacific Northwest National Laboratory, Richland, Washington99352, United States
| | - Ruixue Zhao
- Department of Chemistry, Catalysis Research Center, Technical University Munich, 85747Garching, Germany
| | - Carlo A Gaggioli
- Department of Chemistry and Chemical Theory Center, University of Minnesota-Twin Cities, Minneapolis, Minnesota55455, United States
| | - Donald M Camaioni
- Institute for Integrated Catalysis, Pacific Northwest National Laboratory, Richland, Washington99352, United States
| | - Ricardo Bermejo-Deval
- Department of Chemistry, Catalysis Research Center, Technical University Munich, 85747Garching, Germany
| | - Oliver Y Gutiérrez
- Institute for Integrated Catalysis, Pacific Northwest National Laboratory, Richland, Washington99352, United States
| | - Yue Liu
- Department of Chemistry, Catalysis Research Center, Technical University Munich, 85747Garching, Germany
| | - J Ilja Siepmann
- Department of Chemical Engineering and Materials Science, University of Minnesota-Twin Cities, Minneapolis, Minnesota55455, United States.,Department of Chemistry and Chemical Theory Center, University of Minnesota-Twin Cities, Minneapolis, Minnesota55455, United States
| | - Matthew Neurock
- Department of Chemical Engineering and Materials Science, University of Minnesota-Twin Cities, Minneapolis, Minnesota55455, United States.,Department of Chemistry and Chemical Theory Center, University of Minnesota-Twin Cities, Minneapolis, Minnesota55455, United States
| | - Laura Gagliardi
- Department of Chemistry, Pritzker School of Molecular Engineering, James Franck Institute, Chicago Center for Theoretical Chemistry, University of Chicago, Chicago, Illinois60637, United States
| | - Johannes A Lercher
- Department of Chemistry, Catalysis Research Center, Technical University Munich, 85747Garching, Germany.,Institute for Integrated Catalysis, Pacific Northwest National Laboratory, Richland, Washington99352, United States
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13
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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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14
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Li Z, Wang Z. Controllable Synthetic Strategy of the Coordinatively Unsaturated Metal Sites on Ni-BTC for Highly Efficient Oxygen Evolution. Catal Today 2023. [DOI: 10.1016/j.cattod.2023.01.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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15
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Metal-organic framework as a heterogeneous catalyst for biodiesel production: A review. CHEMICAL ENGINEERING JOURNAL ADVANCES 2022. [DOI: 10.1016/j.ceja.2022.100415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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16
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Liu L, Li H, Zhou H, Chu S, Liu L, Feng Z, Qin X, Qi J, Hou J, Wu Q, Li H, Liu X, Chen L, Xiao J, Wang L, Xiao FS. Rivet of cobalt in siliceous zeolite for catalytic ethane dehydrogenation. Chem 2022. [DOI: 10.1016/j.chempr.2022.10.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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17
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Hicks KE, Wolek ATY, Farha OK, Notestein JM. The Dependence of Olefin Hydrogenation and Isomerization Rates on Zirconium Metal–Organic Framework Structure. ACS Catal 2022. [DOI: 10.1021/acscatal.2c04303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Kenton E. Hicks
- Department of Chemistry and International Institute of Nanotechnology, Northwestern University, 2145 Sheridan Road, Evanston, Illinois60208, United States
| | - Andrew T. Y. Wolek
- Department of Chemical and Biological Engineering, Northwestern University, Evanston, Illinois60208, United States
| | - Omar K. Farha
- Department of Chemistry and International Institute of Nanotechnology, Northwestern University, 2145 Sheridan Road, Evanston, Illinois60208, United States
- Department of Chemical and Biological Engineering, Northwestern University, Evanston, Illinois60208, United States
| | - Justin M. Notestein
- Department of Chemical and Biological Engineering, Northwestern University, Evanston, Illinois60208, United States
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18
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Zhang HP, Zhang QY, Feng XF, Krishna R, Luo F. Creating High-Number Defect Sites through a Bimetal Approach in Metal-Organic Frameworks for Boosting Trace SO 2 Removal. Inorg Chem 2022; 61:16986-16991. [PMID: 36264301 DOI: 10.1021/acs.inorgchem.2c03177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Herein, we represent a bimetallic approach to enhance the defect number, leading to eight defect sites per node in a metal-organic framework, showing both a higher SO2 adsorption capacity and higher SO2/CO2 selectivity. The results can be further strongly supported by density functional theory calculations.
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Affiliation(s)
- Hui Ping Zhang
- School of Biology, Chemistry and Material Science, East China University of Technology, Nanchang, Jiangxi 344000, China
| | - Qing Yun Zhang
- School of Biology, Chemistry and Material Science, East China University of Technology, Nanchang, Jiangxi 344000, China
| | - Xue Feng Feng
- School of Biology, Chemistry and Material Science, East China University of Technology, Nanchang, Jiangxi 344000, China
| | - Rajamani Krishna
- Van't Hoff Institute for Molecular Sciences, University of Amsterdam, Science Park 904, 1098 XH Amsterdam, The Netherlands
| | - Feng Luo
- School of Biology, Chemistry and Material Science, East China University of Technology, Nanchang, Jiangxi 344000, China
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19
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Yang D, Chheda S, Lyu Y, Li Z, Xiao Y, Siepmann JI, Gagliardi L, Gates BC. Mechanism of Methanol Dehydration Catalyzed by Al 8O 12 Nodes Assisted by Linker Amine Groups of the Metal–Organic Framework CAU-1. ACS Catal 2022. [DOI: 10.1021/acscatal.2c01746] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Dong Yang
- College of Chemical Engineering, State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, Nanjing, Jiangsu 21000, China
| | - Saumil Chheda
- Department of Chemical Engineering and Materials Science, Department of Chemistry, and Chemical Theory Center, University of Minnesota─Twin Cities, Minneapolis, Minnesota 55455, United States
| | - Yinghui Lyu
- College of Chemical Engineering, State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, Nanjing, Jiangsu 21000, China
| | - Ziang Li
- College of Chemical Engineering, State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, Nanjing, Jiangsu 21000, China
| | - Yue Xiao
- College of Chemical Engineering, State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, Nanjing, Jiangsu 21000, China
| | - J. Ilja Siepmann
- Department of Chemical Engineering and Materials Science, Department of Chemistry, and Chemical Theory Center, University of Minnesota─Twin Cities, Minneapolis, Minnesota 55455, United States
| | - Laura Gagliardi
- Department of Chemistry, Pritzker School of Molecular Engineering, James Franck Institute, and Chicago Center for Theoretical Chemistry, University of Chicago, Chicago, Illinois 60637, United States
| | - Bruce C. Gates
- Department of Chemical Engineering, University of California, Davis, California 95616, United States
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20
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21
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Heterogeneous Transition-Metal Catalyst for Fine Chemical Synthesis Hydrogen Auto-transfer Reaction. Top Catal 2022. [DOI: 10.1007/s11244-022-01694-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
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22
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Xiao Y, Han L, Tang J, Tian L, Zhang Z, Zhang L, Yang D, Qiao X. Fabricating defect-rich metal-organic frameworks via mixed linker-induced crystal transformation. Chem Commun (Camb) 2022; 58:7265-7268. [PMID: 35674189 DOI: 10.1039/d2cc00923d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Defect-rich hcp UiO-66-NO2 was synthesized via mixed linker-induced crystal transformation from fcu UiO-66-NO2/NH2. The defect concentration and porosity of hcp UiO-66-NO2 can be fine-tuned by varying the BDC-NH2/BDC-NO2 ratio, which in turn endowed hcp UiO-66-NO2 with superior catalytic performance in the ring-opening reaction of epoxides with alcohols.
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Affiliation(s)
- Yue Xiao
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 211816, China.
| | - Lu Han
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 211816, China.
| | - Jihai Tang
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 211816, China.
| | - Lifang Tian
- Institute of Advanced Synthesis (IAS), School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Zhuxiu Zhang
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 211816, China.
| | - Lixiong Zhang
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 211816, China.
| | - Dong Yang
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 211816, China.
| | - Xu Qiao
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 211816, China.
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23
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Tuttle RR, Finke RG, Reynolds MM. Cu II Lewis Acid, Proton-Coupled Electron Transfer Mechanism for Cu-Metal–Organic Framework-Catalyzed NO Release from S-Nitrosoglutathione. ACS Catal 2022. [DOI: 10.1021/acscatal.2c00477] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Robert R. Tuttle
- 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
| | - Melissa M. Reynolds
- Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523, United States
- School of Biomedical Engineering, Colorado State University, Fort Collins, Colorado 80523, United States
- Department of Chemical & Biological Engineering, Colorado State University, Fort Collins, Colorado 80523, United States
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24
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Yin L, Wang D, Li X, He Y, Liu X, Xu Y, Chen H. One-pot synthesis of oxygen-vacancy-rich Cu-doped UiO-66 for collaborative adsorption and photocatalytic degradation of ciprofloxacin. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 815:151962. [PMID: 34843770 DOI: 10.1016/j.scitotenv.2021.151962] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 11/21/2021] [Accepted: 11/21/2021] [Indexed: 06/13/2023]
Abstract
UiO-66, as one of the most stable metal-organic frameworks (MOFs), has attracted a lot of attention in the field of adsorption and photocatalysis. However, this application of UiO-66 is still limited due to either the low accessibility of micropores or the poor electron-hole charge separation capability. This study aims to promote UiO-66 accessibility of micropores and charge separation through the construction of oxygen vacancies (OVs) and mesopore defects as well as copper incorporation. Herein, mesopore Cu doped UiO-66 with rich OVs was synthesized by a one-pot method and demonstrated high efficiency for the removal of ciprofloxacin (CIP) from the aquatic system. First of all, denatured mesopore defects were produced in Cu doped UiO-66 which possessed a 58% increase in specific surface area compared to UiO-66, facilitating the adsorption of molecular oxygen. Secondly, e- was preferentially trapped by OVs under light irradiation. Electron (e-) reacted rapidly with the surface adsorbed oxygen to generate superoxide radical (O2-). Meanwhile, copper incorporation increased the photocurrent and reduced the interfacial charge transfer resistance, thereby improving the charge separation efficiency. As a result, the adsorption efficiency and photocatalytic performance of mesopore Cu doped UiO-66 with OVs were 8.1 and 3.7 times higher than those of UiO-66, respectively. This study paved a way for the one-step synthesis of MOFs containing OVs and broadened the possibilities of practical applications for photo-induced removal of antibiotics from effluent.
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Affiliation(s)
- Linmiao Yin
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, PR China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, PR China.
| | - Dongbo Wang
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, PR China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, PR China.
| | - Xiaopei Li
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, PR China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, PR China
| | - Yanying He
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, PR China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, PR China
| | - Xiaoqing Liu
- Centre for Technology in Water and Wastewater, School of Civil and Environmental Engineering, University of Technology Sydney, Sydney, NSW 2007, Australia
| | - Yiyi Xu
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, PR China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, PR China
| | - Hong Chen
- Key Laboratory of Water-Sediment Sciences and Water Disaster Prevention of Hunan Province, School of Hydraulic Engineering, Changsha University of Science & Technology, Changsha 410004, PR China
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25
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Wang Q, Pengmei Z, Pandharkar R, Gagliardi L, Hupp JT, Notestein JM. Investigating the Effect of Metal Nuclearity on Activity for Ethylene Hydrogenation by Metal-Organic-Framework-Supported oxy-Ni(II) Catalysts. J Catal 2022. [DOI: 10.1016/j.jcat.2022.01.033] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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26
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Liu J, Goetjen TA, Wang Q, Knapp JG, Wasson MC, Yang Y, Syed ZH, Delferro M, Notestein JM, Farha OK, Hupp JT. MOF-enabled confinement and related effects for chemical catalyst presentation and utilization. Chem Soc Rev 2022; 51:1045-1097. [PMID: 35005751 DOI: 10.1039/d1cs00968k] [Citation(s) in RCA: 85] [Impact Index Per Article: 42.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
A defining characteristic of nearly all catalytically functional MOFs is uniform, molecular-scale porosity. MOF pores, linkers and nodes that define them, help regulate reactant and product transport, catalyst siting, catalyst accessibility, catalyst stability, catalyst activity, co-catalyst proximity, composition of the chemical environment at and beyond the catalytic active site, chemical intermediate and transition-state conformations, thermodynamic affinity of molecular guests for MOF interior sites, framework charge and density of charge-compensating ions, pore hydrophobicity/hydrophilicity, pore and channel rigidity vs. flexibility, and other features and properties. Collectively and individually, these properties help define overall catalyst functional behaviour. This review focuses on how porous, catalyst-containing MOFs capitalize on molecular-scale confinement, containment, isolation, environment modulation, energy delivery, and mobility to accomplish desired chemical transformations with potentially superior selectivity or other efficacy, especially in comparison to catalysts in homogeneous solution environments.
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Affiliation(s)
- Jian Liu
- Department of Chemistry, Northwestern University, 2145 Sheridan Rd., Evanston, IL 60208, USA.
| | - Timothy A Goetjen
- Department of Chemistry, Northwestern University, 2145 Sheridan Rd., Evanston, IL 60208, USA. .,Chemical Sciences and Engineering Division, Argonne National Laboratory, Lemont, Illinois 60439, USA
| | - Qining Wang
- Department of Chemistry, Northwestern University, 2145 Sheridan Rd., Evanston, IL 60208, USA.
| | - Julia G Knapp
- Department of Chemistry, Northwestern University, 2145 Sheridan Rd., Evanston, IL 60208, USA.
| | - Megan C Wasson
- Department of Chemistry, Northwestern University, 2145 Sheridan Rd., Evanston, IL 60208, USA.
| | - Ying Yang
- Department of Chemistry, Northwestern University, 2145 Sheridan Rd., Evanston, IL 60208, USA.
| | - Zoha H Syed
- Department of Chemistry, Northwestern University, 2145 Sheridan Rd., Evanston, IL 60208, USA. .,Chemical Sciences and Engineering Division, Argonne National Laboratory, Lemont, Illinois 60439, USA
| | - Massimiliano Delferro
- Chemical Sciences and Engineering Division, Argonne National Laboratory, Lemont, Illinois 60439, USA
| | - Justin M Notestein
- Department of Chemical and Biological Engineering, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, USA
| | - Omar K Farha
- Department of Chemistry, Northwestern University, 2145 Sheridan Rd., Evanston, IL 60208, USA. .,Department of Chemical and Biological Engineering, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, USA
| | - Joseph T Hupp
- Department of Chemistry, Northwestern University, 2145 Sheridan Rd., Evanston, IL 60208, USA.
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27
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Tepakidareekul M, Uematsu T, Torimoto T, Kuwabata S. Encapsulation of AgInS 2/GaS x core/shell quantum dots in In-fumarate metal–organic frameworks for stability enhancement. CrystEngComm 2022. [DOI: 10.1039/d2ce00343k] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Silver indium sulfide/gallium sulfide (AgInS2/GaSx) core/shell quantum dots (QDs), among the cadmium-free alternatives that possess a narrow band-edge emission, have attracted immense attention in recent years. However, the insufficient stability...
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28
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Daliran S, Oveisi AR, Peng Y, López-Magano A, Khajeh M, Mas-Ballesté R, Alemán J, Luque R, Garcia H. Metal–organic framework (MOF)-, covalent-organic framework (COF)-, and porous-organic polymers (POP)-catalyzed selective C–H bond activation and functionalization reactions. Chem Soc Rev 2022; 51:7810-7882. [DOI: 10.1039/d1cs00976a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
The review summarizes the state-of-the-art of C–H active transformations over crystalline and amorphous porous materials as new emerging heterogeneous (photo)catalysts.
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Affiliation(s)
- Saba Daliran
- Department of Chemistry, Faculty of Sciences, Department of Chemistry, University of Zabol, 98615-538 Zabol, Iran
| | - Ali Reza Oveisi
- Department of Chemistry, Faculty of Sciences, Department of Chemistry, University of Zabol, 98615-538 Zabol, Iran
| | - Yong Peng
- Instituto de Tecnología Química CSIC-UPV, Universitat Politècnica de València, Consejo Superior de Investigaciones Científicas, Av. de los Naranjos s/n, Valencia 46022, Spain
| | - Alberto López-Magano
- Inorganic Chemistry Department, Módulo 7, Universidad Autónoma de Madrid, 28049 Madrid, Spain
| | - Mostafa Khajeh
- Department of Chemistry, Faculty of Sciences, Department of Chemistry, University of Zabol, 98615-538 Zabol, Iran
| | - Rubén Mas-Ballesté
- Inorganic Chemistry Department, Módulo 7, Universidad Autónoma de Madrid, 28049 Madrid, Spain
- Institute for Advanced Research in Chemical Sciences (IAdChem), Universidad Autónoma de Madrid, 28049 Madrid, Spain
| | - José Alemán
- Organic Chemistry Department, Módulo 1, Universidad Autónoma de Madrid, 28049 Madrid, Spain
- Institute for Advanced Research in Chemical Sciences (IAdChem), Universidad Autónoma de Madrid, 28049 Madrid, Spain
| | - Rafael Luque
- Department of Organic Chemistry, University of Cordoba, Campus de Rabanales, EdificioMarie Curie (C-3), CtraNnal IV-A, Km 396, E14014 Cordoba, Spain
- Peoples Friendship University of Russia (RUDN University), 6 Miklukho-Maklaya str., 117198, Moscow, Russia
| | - Hermenegildo Garcia
- Instituto de Tecnología Química CSIC-UPV, Universitat Politècnica de València, Consejo Superior de Investigaciones Científicas, Av. de los Naranjos s/n, Valencia 46022, Spain
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29
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Feng X, Jena HS, Krishnaraj C, Leus K, Wang G, Chen H, Jia C, Van Der Voort P. Generating Catalytic Sites in UiO-66 through Defect Engineering. ACS APPLIED MATERIALS & INTERFACES 2021; 13:60715-60735. [PMID: 34874167 DOI: 10.1021/acsami.1c13525] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
UiO-66 is regarded as an epitome of metal-organic frameworks (MOFs) because of its stability. Defect engineering has been used as a toolbox to alter the performance of MOFs. UiO-66 is among the most widely explored MOFs because of its capability to bear a high number of defects without undergoing structural collapse. Several representative works in the field of MOF-based defect engineering are available based on UiO-66. In this review, more emphasis is given toward the construction of catalytic sites by engineering defects in UiO-66 as a representative including all the detailed synthesis procedures for inducing defects, and the characterization techniques used to analyze these defects in UiO-66 are discussed. Furthermore, a comprehensive review for the defects themselves and the support using defects in catalysis is provided to accentuate the importance of defect engineering.
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Affiliation(s)
- Xiao Feng
- Zhang Dayu School of Chemistry, State Key Laboratory of Fine Chemicals, Dalian University of Technology, 116024 Dalian, China
- Center for Ordered Materials, Organometallics and Catalysis (COMOC), Department of Chemistry, Ghent University, 281 Krijgslaan (S3), B-9000 Ghent, Belgium
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, Liaoning 116023, China
| | - Himanshu Sekhar Jena
- Center for Ordered Materials, Organometallics and Catalysis (COMOC), Department of Chemistry, Ghent University, 281 Krijgslaan (S3), B-9000 Ghent, Belgium
| | - Chidharth Krishnaraj
- Center for Ordered Materials, Organometallics and Catalysis (COMOC), Department of Chemistry, Ghent University, 281 Krijgslaan (S3), B-9000 Ghent, Belgium
| | - Karen Leus
- Center for Ordered Materials, Organometallics and Catalysis (COMOC), Department of Chemistry, Ghent University, 281 Krijgslaan (S3), B-9000 Ghent, Belgium
| | - Guangbo Wang
- Chemical Engineering and Materials Science, College of Chemistry, Shandong Normal University, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Jinan 250014, China
| | - Hui Chen
- Center for Ordered Materials, Organometallics and Catalysis (COMOC), Department of Chemistry, Ghent University, 281 Krijgslaan (S3), B-9000 Ghent, Belgium
| | - Chunmei Jia
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, Liaoning 116023, China
| | - Pascal Van Der Voort
- Center for Ordered Materials, Organometallics and Catalysis (COMOC), Department of Chemistry, Ghent University, 281 Krijgslaan (S3), B-9000 Ghent, Belgium
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Simms C, de Azambuja F, Parac-Vogt TN. Enhancing the Catalytic Activity of MOF-808 Towards Peptide Bond Hydrolysis through Synthetic Modulations. Chemistry 2021; 27:17230-17239. [PMID: 34761450 DOI: 10.1002/chem.202103102] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Indexed: 11/10/2022]
Abstract
The performance of MOFs in catalysis is largely derived from structural features, and much work has focused on introducing structural changes such as defects or ligand functionalisation to boost the reactivity of the MOF. However, the effects of different parameters chosen for the synthesis on the catalytic reactivity of the resulting MOF remains poorly understood. Here, we evaluate the role of metal precursor on the reactivity of Zr-based MOF-808 towards hydrolysis of the peptide bond in the glycylglycine model substrate. In addition, the effect of synthesis temperature and duration has been investigated. Surprisingly, the metal precursor was found to have a large influence on the reactivity of the MOF, surpassing the effect of particle size or number of defects. Additionally, we show that by careful selection of the Zr-salt precursor and temperature used in MOF syntheses, equally active MOF catalysts could be obtained after a 20 minute synthesis compared to 24 h synthesis.
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Affiliation(s)
- Charlotte Simms
- Department of Chemistry, KU Leuven, Celestijnenlaan 200F, 3001, Leuven, Belgium
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31
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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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Bohigues B, Rojas-Buzo S, Moliner M, Corma A. Coordinatively Unsaturated Hf-MOF-808 Prepared via Hydrothermal Synthesis as a Bifunctional Catalyst for the Tandem N-Alkylation of Amines with Benzyl Alcohol. ACS SUSTAINABLE CHEMISTRY & ENGINEERING 2021; 9:15793-15806. [PMID: 35663357 PMCID: PMC9153058 DOI: 10.1021/acssuschemeng.1c04903] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 10/27/2021] [Indexed: 05/07/2023]
Abstract
The modulated hydrothermal (MHT) synthesis of an active and selective Hf-MOF-808 material for the N-alkylation reaction of aniline with benzyl alcohol under base-free mild reaction conditions is reported. Through kinetic experiments and isotopically labeled NMR spectroscopy studies, we have demonstrated that the reaction mechanism occurs via borrowing hydrogen (BH) pathway, in which the alcohol dehydrogenation is the limiting step. The high concentration of defective -OH groups generated on the metallic nodes through MHT synthesis enhances the alcohol activation, while the unsaturated Hf4+, which acts as a Lewis acid site, is able to borrow the hydrogen from the methylene position of benzyl alcohol. This fact makes this material at least 14 times more active for the N-alkylation reaction than the material obtained via solvothermal synthesis. The methodology described in this work could be applied to a wide range of aniline and benzyl alcohol derivates, showing in all cases high selectivity toward the corresponding N-benzylaniline product. Finally, Hf-MOF-808, which acts as a true heterogeneous catalyst, can be reused in at least four consecutive runs without any activity loss.
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33
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Enhancement of catalytic performance over MOF-808(Zr) by acid treatment for oxidative desulfurization of dibenzothiophene. Catal Today 2021. [DOI: 10.1016/j.cattod.2020.10.045] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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34
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Cox CS, Cossich Galicia V, Lessio M. Computational Investigation of Adsorptive Removal of Pb. Aust J Chem 2021. [DOI: 10.1071/ch21139] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Adsorption using metal–organic frameworks (MOFs) such as UiO-66 has shown great promise in remediating water sources contaminated with toxic heavy metals such as Pb2+, but detailed information about the adsorption process remains limited. In this article, we gained mechanistic insights into Pb2+ adsorption using both functionalised and defective UiO-66 by performing density functional theory calculations using cluster models. Our benchmarked approach led to a computational model of solvated Pb2+ (a hemidirected Pb(H2O)62+ complex) fully consistent with experimental reports. The analysis of Pb2+ adsorption using functionalised UiO-66 determined that factors such as electrostatic attraction, chelation, and limited constraints on the Pb2+ coordination geometry lead to enhanced binding affinity. For these reasons, UiO-66-COO– was identified as the most promising functionalised MOF, consistent with experimental literature. We additionally explored a novel aspect of Pb2+ adsorption by UiO-66: the role of missing linker defects that often characterise this MOF. We found that the defects expected to form in an aqueous environment can act as excellent adsorption sites for Pb2+ and the preferred adsorption geometry is again determined by electrostatic attraction, chelation, and constraints on the Pb2+ coordination geometry. Overall, we conclude that functional groups and defect sites can both contribute to Pb2+ adsorption and our study provides crucial design principles for improving the UiO-66 MOF performance in toxic Pb2+ removal from water.
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Rojas-Buzo S, Bohigues B, Lopes CW, Meira DM, Boronat M, Moliner M, Corma A. Tailoring Lewis/Brønsted acid properties of MOF nodes via hydrothermal and solvothermal synthesis: simple approach with exceptional catalytic implications. Chem Sci 2021; 12:10106-10115. [PMID: 34349973 PMCID: PMC8317639 DOI: 10.1039/d1sc02833b] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Accepted: 06/29/2021] [Indexed: 11/30/2022] Open
Abstract
The Lewis/Brønsted catalytic properties of the Metal-Organic Framework (MOF) nodes can be tuned by simply controlling the solvent employed in the synthetic procedure. In this work, we demonstrate that Hf-MOF-808 can be prepared from a material with a higher amount of Brønsted acid sites, via modulated hydrothermal synthesis, to a material with a higher proportion of unsaturated Hf Lewis acid sites, via modulated solvothermal synthesis. The Lewis/Brønsted acid properties of the resultant metallic clusters have been studied by different characterization techniques, including XAS, FTIR and NMR spectroscopies, combined with a DFT study. The different nature of the Hf-MOF-808 materials allows their application as selective catalysts in different target reactions requiring Lewis, Brønsted or Lewis-Brønsted acid pairs.
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Affiliation(s)
- Sergio Rojas-Buzo
- Instituto de Tecnología Química, Universitat Politècnica de València - Consejo Superior de Investigaciones Científicas Av. de los Naranjos, s/n 46022 Valencia Spain
| | - Benjamin Bohigues
- Instituto de Tecnología Química, Universitat Politècnica de València - Consejo Superior de Investigaciones Científicas Av. de los Naranjos, s/n 46022 Valencia Spain
| | - Christian W Lopes
- Institute of Chemistry, Universidade Federal do Rio Grande do Sul - UFRGS Av. Bento Gonçalves, 9500 91501-970 Porto Alegre RS Brazil
| | - Débora M Meira
- CLS@APS, Advanced Photon Source, Argonne National Laboratory 9700 S. Cass Avenue Argonne IL 60439 USA
- Canadian Light Source Inc. 44 Innovation Boulevard Saskatoon Saskatchewan S7N 2V3 Canada
| | - Mercedes Boronat
- Instituto de Tecnología Química, Universitat Politècnica de València - Consejo Superior de Investigaciones Científicas Av. de los Naranjos, s/n 46022 Valencia Spain
| | - Manuel Moliner
- Instituto de Tecnología Química, Universitat Politècnica de València - Consejo Superior de Investigaciones Científicas Av. de los Naranjos, s/n 46022 Valencia Spain
| | - Avelino Corma
- Instituto de Tecnología Química, Universitat Politècnica de València - Consejo Superior de Investigaciones Científicas Av. de los Naranjos, s/n 46022 Valencia Spain
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de Azambuja F, Loosen A, Conic D, van den Besselaar M, Harvey JN, Parac-Vogt TN. En Route to a Heterogeneous Catalytic Direct Peptide Bond Formation by Zr-Based Metal–Organic Framework Catalysts. ACS Catal 2021. [DOI: 10.1021/acscatal.1c01782] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
| | - Alexandra Loosen
- Department of Chemistry, KU Leuven, Celestijnenlaan 200F, 3001 Leuven, Belgium
| | - Dragan Conic
- Department of Chemistry, KU Leuven, Celestijnenlaan 200F, 3001 Leuven, Belgium
| | | | - Jeremy N. Harvey
- Department of Chemistry, KU Leuven, Celestijnenlaan 200F, 3001 Leuven, Belgium
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McCarver GA, Rajeshkumar T, Vogiatzis KD. Computational catalysis for metal-organic frameworks: An overview. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2021.213777] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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38
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Liu J, Chen Z, Wang R, Alayoglu S, Islamoglu T, Lee SJ, Sheridan TR, Chen H, Snurr RQ, Farha OK, Hupp JT. Zirconium Metal-Organic Frameworks Integrating Chloride Ions for Ammonia Capture and/or Chemical Separation. ACS APPLIED MATERIALS & INTERFACES 2021; 13:22485-22494. [PMID: 33961384 DOI: 10.1021/acsami.1c03717] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Ammonia capture by porous materials is relevant to protection of humans from chemical threats, while ammonia separation may be relevant to its isolation and use following generation by emerging electrochemical schemes. Our previous work described both reversible and irreversible interactions of ammonia with the metal-organic framework (MOF) material, NU-1000, following thermal treatment at either 120 or 300 °C. In the present work, we have examined NU-1000-Cl, a variant that features a modified node structure-at ambient temperature, Zr6(μ3-O)4(μ3-OH)4(H2O)812+ in place of Zr6(μ3-O)4(μ3-OH)4(OH)4(H2O)48+. Carboxylate termini from each of eight linkers balance the 8+ charge of the parent node, while four chloride ions, attached only by hydrogen bonding, complete the charge balance for the 12+ version. We find that both reversible and irreversible uptake of ammonia are enhanced for NU-1000-Cl, relative to the chloride-free version. Two irreversible interactions were observed via in situ diffuse-reflectance infrared Fourier-transform spectroscopy: coordination of NH3 at open Zr sites generated during thermal pretreatment and formation of NH4+ by proton transfer from node aqua ligands. The irreversibility of the latter appears to be facilitated by the presence chloride ions, as NH4+ formation occurs reversibly with chloride-free NU-1000. At room temperature, chemically reversible (and irreversible) interactions between ammonia and NU-1000-Cl result in separation of NH3 from N2 when gas mixtures are examined with breakthrough instrumentation, as evinced by a much longer breakthrough time (∼9 min) for NH3.
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Affiliation(s)
- Jian Liu
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Zhijie Chen
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Rui Wang
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Selim Alayoglu
- Reactor Engineering and Catalyst Testing Core, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Timur Islamoglu
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Seung-Joon Lee
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Thomas R Sheridan
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Haoyuan Chen
- Department of Chemical and Biological Engineering, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Randall Q Snurr
- Department of Chemical and Biological Engineering, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Omar K Farha
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
- Department of Chemical and Biological Engineering, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Joseph T Hupp
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
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Liu J, Lu Z, Chen Z, Rimoldi M, Howarth AJ, Chen H, Alayoglu S, Snurr RQ, Farha OK, Hupp JT. Ammonia Capture within Zirconium Metal-Organic Frameworks: Reversible and Irreversible Uptake. ACS APPLIED MATERIALS & INTERFACES 2021; 13:20081-20093. [PMID: 33886253 DOI: 10.1021/acsami.1c02370] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Ammonia uptake by high-capacity and high-porosity sorbents is a promising approach to its storage and release, capture and mitigation, and chemical separation. Here, we examined the ammonia sorption behavior of several versions of an archetypal zirconium-based metal-organic framework (MOF) material, NU-1000-a meso- and microporous crystalline compound having the empirical formula (1,3,6,8-tetrakis(p-benzoate)pyrene)2 Zr6(μ3-O)4(μ3-OH)4(H2O)4(OH)4 with linkers and nodes arranged to satisfy a csq topology. Depending on the thermal treatment protocol used prior to sorption measurements, ammonia can physisorb to NU-1000 via hydrogen-bonding and London-dispersion interactions and chemisorb via Brønsted acid-base reactions with node-integrated proton donors (μ3-hydroxos) and node-ligated proton donors (terminal hydroxos), via simple coordination at open Zr(IV) sites, or via dissociative coordination to Zr(IV) as NH2- and protonation of a node-based μ3-oxo. Ammonia adsorption occurs via both reversible and irreversible processes. The latter are of particular interest for protection and mitigation. Notably, the unexpected dissociative adsorption occurs only with nodes that have been fully dehydrated and irreversibly structurally distorted via thermal pre-treatment-a finding that is supported by density functional theory calculations. Differentiating and ranking the relative importance of the many modes of adsorption was facilitated, in part, by the availability of variants of NU-1000 that replace the majority of terminal aqua and hydroxo ligands with nonstructural formate ligands, auxiliary ditopic linkers, or both. The study provides insights into the chemical basis for both reversible and irreversible uptake of ammonia by Zr-MOFs and related compounds. The unexpectedly rich variety of sorption motifs suggest the criteria for designing or choosing MOFs that are optimal for specific ammonia-centric applications.
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Affiliation(s)
- Jian Liu
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Zhiyong Lu
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
- College of Mechanics and Materials, Hohai University, Nanjing 210098, China
| | - Zhijie Chen
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Martino Rimoldi
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Ashlee J Howarth
- Department of Chemistry and Biochemistry, Concordia University, 7141 Sherbrooke St. W, Montreal H4B 1R6, Canada
| | - Haoyuan Chen
- Department of Chemical and Biological Engineering, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Selim Alayoglu
- Reactor Engineering and Catalyst Testing Core, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Randall Q Snurr
- Department of Chemical and Biological Engineering, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Omar K Farha
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
- Department of Chemical and Biological Engineering, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Joseph T Hupp
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
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40
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Yang D, Gates BC. Elucidating and Tuning Catalytic Sites on Zirconium- and Aluminum-Containing Nodes of Stable Metal-Organic Frameworks. Acc Chem Res 2021; 54:1982-1991. [PMID: 33843190 DOI: 10.1021/acs.accounts.1c00029] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
ConspectusMetal-organic frameworks (MOFs) are a huge, rapidly growing class of crystalline, porous materials that consist of inorganic nodes linked by organic struts. Offering the advantages of thermal stability combined with high densities of accessible reactive sites, some MOFs are good candidate materials for applications in catalysis and separations. Such MOFs include those with nodes that are metal oxide clusters (e.g., Zr6O8, Hf6O8, and Zr12O22) and long rods (e.g., [Al(OH)]n). These nanostructured metal oxides are often compared with bulk metal oxides, but they are in essence different because their structures are not the same and because the MOFs have a high degree of uniformity, offering the prospect of a deep understanding of reactivity that is barely attainable for most bulk metal oxides because of their surface heterogeneity. This prospect is being realized as it has become evident that adventitious components on MOF node surfaces, besides the linkers, are crucial. These ligands arise from modulators, solvents, or products of solvent decomposition in MOF synthesis solutions, and because they are minor components that are often irregularly placed on defects, they may not show up in X-ray diffraction (XRD) crystal structures. Hydroxyl groups on the nodes (like those on bulk metal oxides) are regarded as native functional groups arising from solvent water, but they may barely be present initially, with common ligands instead being formate and acetate formed from modulators formic acid and acetic acid. (Formate also arises from the decomposition of dimethylformamide (DMF) solvent.) Replacement and control of the node ligands is facilitated by postsynthesis reactions (e.g., with alcohols or aqueous HCl/H2SO4 solutions) or as a result of high-temperature decomposition. In catalysis, adventitious node ligands can be (a) reaction inhibitors that block active sites on the nodes (e.g., formate blocking Zr, Hf, or Al Lewis acid sites); (b) reaction intermediates (e.g., ethoxy in ethanol dehydration); or (c) active sites themselves (e.g., terminal OH groups in tert-butyl alcohol (TBA) dehydration). Surprisingly, in view of the catalytic importance of such ligands on bulk metal oxides, their subtle chemistry on MOF nodes is only recently being determined. We describe (1) methods for identifying and quantifying node ligands (especially by IR spectroscopy and by 1H NMR spectroscopy of MOFs digested in NaOH/D2O solutions); (2) node ligand surface chemistry expressed as reaction networks; (3) catalysis, with mechanisms and energetics determined by density functional theory (DFT) and spectroscopy; and (4) MOF unzipping by reactions of linker carboxylate ligands with reactants such as alcohols that break node-linker bonds, a cause of catalyst deactivation and also an indicator of node-linker bond strength and MOF stability.
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Affiliation(s)
- Dong Yang
- Department of Chemical Engineering, University of California, Davis, California 95616, United States
- College of Chemical Engineering, State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, Nanjing, Jiangsu 21000, China
| | - Bruce C. Gates
- Department of Chemical Engineering, University of California, Davis, California 95616, United States
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Cheng S, Xin Y, Hu J, Feng W, Ahn D, Zeller M, He J, Xu Z. Invisible Silver Guests Boost Order in a Framework That Cyclizes and Deposits Ag 3Sb Nanodots. Inorg Chem 2021; 60:5757-5763. [PMID: 33787239 DOI: 10.1021/acs.inorgchem.1c00012] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The infusion of metal guests into (i.e., metalating) the porous medium of metal-organic frameworks (MOFs) is a topical approach to wide-ranging functionalization purposes. We report the notable interactions of AgSbF6 guests with the designer MOF host ZrL1 [Zr6O4(OH)7(L1)4.5(H2O)4]. (1) The heavy-atom guests of AgSbF6 induce order in the MOF host to allow the movable alkyne side arm to be fully located by X-ray diffraction, but they themselves curiously remain highly disordered and absent in the strucutral model. The enhanced order of the framework can be generally ascribed to interaction of the silver guests with the host alkyne and thioether functions, while the invisible heavy-atom guest represents a new phenomenon in the metalation of open framework materials. (2) The AgSbF6 guests also participate in the thermocyclization of the vicinal alkyne units of the L1 linker (at 450 °C) and form the rare nanoparticle of Ag3Sb supported on the concomitantly formed nanographene network. The resulted composite exhibits high electrical conductivity (1.0 S/cm) as well as useful, mitigated catalytic activity for selectively converting nitroarenes into the industrially important azo compounds, i.e., without overshooting to form the amine side products. The heterogeneous/cyclable catalysis entails only the cheap reducing reagents of NaBH4, ethanol, and water, with yields being generally close to 90%.
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Affiliation(s)
- Shengxian Cheng
- Department of Chemistry, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong, China
| | - Yinger Xin
- Department of Chemistry, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong, China
| | - Jieying Hu
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou, 510006, China.,Department of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong, China
| | - Weijin Feng
- Department of Chemistry, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong, China
| | - Dohyun Ahn
- Department of Chemistry, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong, China
| | - Matthias Zeller
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, Indiana 47907, United States
| | - Jun He
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou, 510006, China
| | - Zhengtao Xu
- Department of Chemistry, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong, China
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Lee JG, Nam E, An K. Modified Metal–Organic Frameworks as Efficient Catalysts for Lignocellulosic Biomass Conversion. B KOREAN CHEM SOC 2021. [DOI: 10.1002/bkcs.12203] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Jun Gyeong Lee
- School of Energy and Chemical Engineering Ulsan National Institute of Science and Technology (UNIST) Ulsan 44919 Republic of Korea
| | - Eonu Nam
- School of Energy and Chemical Engineering Ulsan National Institute of Science and Technology (UNIST) Ulsan 44919 Republic of Korea
| | - Kwangjin An
- School of Energy and Chemical Engineering Ulsan National Institute of Science and Technology (UNIST) Ulsan 44919 Republic of Korea
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Jiang H, Shi W, Liu Q, Wang H, Li J, Wu C, Li Y, Wei Z. Intensification of water/ethanol separation by PVA hybrid membrane with different functional ligand UiO-66-X nanochannels in pervaporation process. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2020.117802] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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44
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Timofeev KL, Vodyankina OV. Selective oxidation of bio-based platform molecules and their conversion products over metal nanoparticle catalysts: a review. REACT CHEM ENG 2021. [DOI: 10.1039/d0re00352b] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
The conversion of bio-renewable raw materials into valuable products (biofuels, bifunctional carbonyls/carboxyls) that serve as the basis for biopolymers, has become one of the most important areas in the development of novel hybrid catalysts.
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45
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Hadjiivanov KI, Panayotov DA, Mihaylov MY, Ivanova EZ, Chakarova KK, Andonova SM, Drenchev NL. Power of Infrared and Raman Spectroscopies to Characterize Metal-Organic Frameworks and Investigate Their Interaction with Guest Molecules. Chem Rev 2020; 121:1286-1424. [DOI: 10.1021/acs.chemrev.0c00487] [Citation(s) in RCA: 150] [Impact Index Per Article: 37.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
| | - Dimitar A. Panayotov
- Institute of General and Inorganic Chemistry, Bulgarian Academy of Sciences, Sofia 1113, Bulgaria
| | - Mihail Y. Mihaylov
- Institute of General and Inorganic Chemistry, Bulgarian Academy of Sciences, Sofia 1113, Bulgaria
| | - Elena Z. Ivanova
- Institute of General and Inorganic Chemistry, Bulgarian Academy of Sciences, Sofia 1113, Bulgaria
| | - Kristina K. Chakarova
- Institute of General and Inorganic Chemistry, Bulgarian Academy of Sciences, Sofia 1113, Bulgaria
| | - Stanislava M. Andonova
- Institute of General and Inorganic Chemistry, Bulgarian Academy of Sciences, Sofia 1113, Bulgaria
| | - Nikola L. Drenchev
- Institute of General and Inorganic Chemistry, Bulgarian Academy of Sciences, Sofia 1113, Bulgaria
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46
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Yu K, Wei T, Li Z, Li J, Wang Z, Dai Z. Construction of Molecular Sensing and Logic Systems Based on Site-Occupying Effect-Modulated MOF-DNA Interaction. J Am Chem Soc 2020; 142:21267-21271. [PMID: 33306369 DOI: 10.1021/jacs.0c10442] [Citation(s) in RCA: 60] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Interactions between metal-organic frameworks (MOFs) and nucleic acids are of great importance in molecular assembly. However, current MOF-nucleic acid interactions lack diversity and are normally realized in an uncontrollable manner. Herein, the interaction of zirconium-based MOFs (Zr-MOFs) with nucleic acids is enabled by the formation of Zr-O-P bonds and further manipulated by a phosphate-induced site-occupying effect. Covering Zr ions in clusters of MOFs with phosphates impedes the formation of Zr-O-P bonds with nucleic acids, rendering the MOF-nucleic acid interaction tunable and stimulus-responsive. Notably, the experimental results demonstrate that various phosphates, Zr-MOFs, and nucleic acids can all be adopted in the tunable interaction. On the basis of these findings, fluorescent DNA and typical Zr-MOFs are proposed as functional probe-quencher pairs to establish molecular sensing and logic systems. Accordingly, alkaline phosphatase and inorganic pyrophosphatase can be quantified simultaneously, and the overall relation of different phosphates and phosphatases is facilely displayed. The work provides a general strategy for modulating MOF-nucleic acid interactions, which is conducive to the development of molecular intelligent systems.
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Affiliation(s)
- Kaihua Yu
- Collaborative Innovation Center of Biomedical Functional Materials and Key Laboratory of Biofunctional Materials of Jiangsu Province, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, P. R. China
| | - Tianxiang Wei
- School of Environment, Nanjing Normal University, Nanjing 210023, P. R. China
| | - Zijun Li
- Collaborative Innovation Center of Biomedical Functional Materials and Key Laboratory of Biofunctional Materials of Jiangsu Province, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, P. R. China
| | - Junyao Li
- Collaborative Innovation Center of Biomedical Functional Materials and Key Laboratory of Biofunctional Materials of Jiangsu Province, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, P. R. China
| | - Zhaoyin Wang
- Collaborative Innovation Center of Biomedical Functional Materials and Key Laboratory of Biofunctional Materials of Jiangsu Province, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, P. R. China
| | - Zhihui Dai
- Collaborative Innovation Center of Biomedical Functional Materials and Key Laboratory of Biofunctional Materials of Jiangsu Province, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, P. R. China
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47
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Hicks KE, Rosen AS, Syed ZH, Snurr RQ, Farha OK, Notestein JM. Zr 6O 8 Node-Catalyzed Butene Hydrogenation and Isomerization in the Metal–Organic Framework NU-1000. ACS Catal 2020. [DOI: 10.1021/acscatal.0c03579] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Kenton E. Hicks
- Department of Chemistry and International Institute of Nanotechnology, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Andrew S. Rosen
- Department of Chemical and Biological Engineering, Northwestern University, Evanston, Illinois 60208, United States
| | - Zoha H. Syed
- Department of Chemistry and International Institute of Nanotechnology, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Randall Q. Snurr
- Department of Chemical and Biological Engineering, Northwestern University, Evanston, Illinois 60208, United States
| | - Omar K. Farha
- Department of Chemistry and International Institute of Nanotechnology, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
- Department of Chemical and Biological Engineering, Northwestern University, Evanston, Illinois 60208, United States
| | - Justin M. Notestein
- Department of Chemical and Biological Engineering, Northwestern University, Evanston, Illinois 60208, United States
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48
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Yang Y, Zhang X, Kanchanakungwankul S, Lu Z, Noh H, Syed ZH, Farha OK, Truhlar DG, Hupp JT. Unexpected “Spontaneous” Evolution of Catalytic, MOF-Supported Single Cu(II) Cations to Catalytic, MOF-Supported Cu(0) Nanoparticles. J Am Chem Soc 2020; 142:21169-21177. [DOI: 10.1021/jacs.0c10367] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Ying Yang
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Xuan Zhang
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Siriluk Kanchanakungwankul
- Department of Chemistry, Chemical Theory Center, and Minnesota Supercomputing Institute, University of Minnesota, 207 Pleasant Street SE, Minneapolis, Minnesota 55455-0431, United States
| | - Zhiyong Lu
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
- College of Mechanics and Materials, Hohai University, Nanjing 210098, China
| | - Hyunho Noh
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Zoha H. Syed
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Omar K. Farha
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Donald G. Truhlar
- Department of Chemistry, Chemical Theory Center, and Minnesota Supercomputing Institute, University of Minnesota, 207 Pleasant Street SE, Minneapolis, Minnesota 55455-0431, United States
| | - Joseph T. Hupp
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
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49
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Lu Z, Liu J, Zhang X, Liao Y, Wang R, Zhang K, Lyu J, Farha OK, Hupp JT. Node-Accessible Zirconium MOFs. J Am Chem Soc 2020; 142:21110-21121. [PMID: 33263388 DOI: 10.1021/jacs.0c09782] [Citation(s) in RCA: 64] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
High-stability, zirconium-based metal-organic frameworks are attractive as heterogeneous catalysts and as model supports for uniform arrays of subsequently constructed heterogeneous catalysts-for example, MOF-node-grafted metal-oxy and metal-sulfur clusters. For hexa-Zr(IV)-MOFs characterized by nodes that are less than 12-connected, sites not used for linkers are ideally occupied by reactive and displaceable OH/H2O pairs. The desired pairs are ideal for grafting the aforementioned catalytic clusters, while aqua-ligand lability renders them effective for exposing highly Lewis-acidic Zr(IV) sites (catalytic sites) to candidate reactants. New single-crystal X-ray studies of an eight-connected Zr-MOF, NU-1000, reveal that conventional activation fully removes modulator ligands, but replaces them with three node-blocking formate ligands (from solvent decomposition) and only one OH/H2O pair, not four-a largely overlooked complication that now appears to be general for Zr-MOFs. Here we describe an alternative activation protocol that effectively removes modulators, avoids formate, and installs the full complement of terminal OH/H2O pairs. It does so via an unusual isolatable intermediate featuring eight aqua ligands and four non-ligated chlorides-again as supported by single-crystal X-ray data. We find that complete replacement of node-blocking modulators/formate with the originally envisioned OH/OH2 pairs has striking consequences; here we touch upon just three. First, elimination of unrecognized formate renders aqua ligands much more thermally labile, enabling open Zr(IV) sites to be obtained at lower temperature. Second, in the absence of formate, which otherwise links and locks pairs of node Zr(IV) ions, reversible removal of aqua ligands engenders reversible contraction of MOF meso- and micropores, as evidenced by X-ray diffraction. Third, formate replacement with OH/OH2 pairs renders NU-1000 ca.10× more active for catalytic hydrolytic degradation of a representative simulant of G-type chemical warfare agents.
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Affiliation(s)
- Zhiyong Lu
- College of Mechanics and Materials, Hohai University, Nanjing 210098, P. R. China.,Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Jian Liu
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Xuan Zhang
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Yijun Liao
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Rui Wang
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Kun Zhang
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States.,School of Chemical Engineering, Nanjing University of Science & Technology, Nanjing 210094, P. R. China
| | - Jiafei Lyu
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States.,Department of Pharmaceutical Engineering and Key Laboratory of Systems Bioengineering, Tianjin University, Tianjin 300072, P. R. China
| | - Omar K Farha
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States.,Department of Chemical and Biological Engineering, Northwestern University, Evanston, Illinois 60208, United States
| | - Joseph T Hupp
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
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50
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Wang Z, Babucci M, Zhang Y, Wen Y, Peng L, Yang B, Gates BC, Yang D. Dialing in Catalytic Sites on Metal Organic Framework Nodes: MIL-53(Al) and MIL-68(Al) Probed with Methanol Dehydration Catalysis. ACS APPLIED MATERIALS & INTERFACES 2020; 12:53537-53546. [PMID: 33180462 DOI: 10.1021/acsami.0c16559] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Many metal organic frameworks (MOFs) incorporate metal oxide clusters as nodes. Node sites where linkers are missing can be catalytic sites. We now show how to dial in the number and occupancy of such sites in MIL-53 and MIL-68, which incorporate aluminum-oxide-like nodes. The methods involve modulators used in synthesis and postsynthesis reactions to control the modulator-derived groups on these sites. We illustrate the methods using formic acid as a modulator, giving formate ligands on the sites, and these can be removed to leave μ2-OH groups and open Lewis acid sites. Methanol dehydration was used as a catalytic reaction to probe these sites, with infrared spectra giving evidence of methoxide ligands as reaction intermediates. Control of node surface chemistry opens the door for placement of a variety of ligands on a wide range of metal oxide cluster nodes for dialing in reactivity and catalytic properties of a potentially immense class of structurally well-defined materials.
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Affiliation(s)
- Zhengyan Wang
- College of Chemical Engineering, State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, Nanjing, Jiangsu 21000, China
| | - Melike Babucci
- Department of Chemical Engineering, University of California at Davis, Davis, California 95616, United States
| | - Yafeng Zhang
- CAS Key Laboratory of Science and Technology on Applied Catalysis and Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics (DICP), Chinese Academy of Sciences, Dalian, Liaoning 116023, China
| | - Yujie Wen
- Key Laboratory of Mesoscopic Chemistry of MOE and Collaborative Innovation Center of Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu 210023, China
| | - Luming Peng
- Key Laboratory of Mesoscopic Chemistry of MOE and Collaborative Innovation Center of Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu 210023, China
| | - Bing Yang
- CAS Key Laboratory of Science and Technology on Applied Catalysis and Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics (DICP), Chinese Academy of Sciences, Dalian, Liaoning 116023, China
| | - Bruce C Gates
- Department of Chemical Engineering, University of California at Davis, Davis, California 95616, United States
| | - Dong Yang
- College of Chemical Engineering, State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, Nanjing, Jiangsu 21000, China
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