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Xiao C, Tian J, Jiang F, Yuan D, Chen Q, Hong M. Optimizing Iodine Enrichment through Induced-Fit Transformations in a Flexible Ag(I)-Organic Framework: From Accelerated Adsorption Kinetics to Record-High Storage Density. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2311181. [PMID: 38361209 DOI: 10.1002/smll.202311181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2023] [Revised: 01/24/2024] [Indexed: 02/17/2024]
Abstract
Efficient capture and storage of radioactive I2 is a prerequisite for developing nuclear power but remains a challenge. Here, two flexible Ag-MOFs (FJI-H39 and 40) with similar active sites but different pore sizes and flexibility are prepared; both of them can capture I2 with excellent removal efficiencies and high adsorption capacities. Due to the more flexible pores, FJI-H39 not only possesses the record-high I2 storage density among all the reported MOFs but also displays a very fast adsorption kinetic (124 times faster than FJI-H40), while their desorption kinetics are comparable. Mechanistic studies show that FJI-H39 can undergo induced-fit transformations continuously (first contraction then expansion), making the adsorbed iodine species enrich near the Ag(I) nodes quickly and orderly, from discrete I- anion to the dense packing of various iodine species, achieving the very fast adsorption kinetic and the record-high storage density simultaneously. However, no significant structural transformations caused by the adsorbed iodine are observed in FJI-H40. In addition, FJI-H39 has excellent stability/recyclability/obtainability, making it a practical adsorbent for radioactive I2. This work provides a useful method for synthesizing practical radioactive I2 adsorbents.
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Affiliation(s)
- Cao Xiao
- State Key Laboratory of Structure Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350002, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Jindou Tian
- State Key Laboratory of Structure Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350002, China
| | - Feilong Jiang
- State Key Laboratory of Structure Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350002, China
| | - Daqiang Yuan
- State Key Laboratory of Structure Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350002, China
| | - Qihui Chen
- State Key Laboratory of Structure Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350002, China
| | - Maochun Hong
- State Key Laboratory of Structure Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350002, China
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2
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Nikolayenko VI, Castell DC, Sensharma D, Shivanna M, Loots L, Otake KI, Kitagawa S, Barbour LJ, Zaworotko MJ. Metal cation substitution can tune CO 2, H 2O and CH 4 switching pressure in transiently porous coordination networks. JOURNAL OF MATERIALS CHEMISTRY. A 2023; 11:16019-16026. [PMID: 38013758 PMCID: PMC10394667 DOI: 10.1039/d3ta03300g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/04/2023] [Accepted: 07/17/2023] [Indexed: 11/29/2023]
Abstract
Compared to rigid physisorbents, switching coordination networks that reversibly transform between closed (non-porous) and open (porous) phases offer promise for gas/vapour storage and separation owing to their improved working capacity and desirable thermal management properties. We recently introduced a coordination network, X-dmp-1-Co, which exhibits switching enabled by transient porosity. The resulting "open" phases are generated at threshold pressures even though they are conventionally non-porous. Herein, we report that X-dmp-1-Co is the parent member of a family of transiently porous coordination networks [X-dmp-1-M] (M = Co, Zn and Cd) and that each exhibits transient porosity but switching events occur at different threshold pressures for CO2 (0.8, 2.1 and 15 mbar, for Co, Zn and Cd, respectively, at 195 K), H2O (10, 70 and 75% RH, for Co, Zn and Cd, respectively, at 300 K) and CH4 (<2, 10 and 25 bar, for Co, Zn and Cd, respectively, at 298 K). Insight into the phase changes is provided through in situ SCXRD and in situ PXRD. We attribute the tuning of gate-opening pressure to differences and changes in the metal coordination spheres and how they impact dpt ligand rotation. X-dmp-1-Zn and X-dmp-1-Cd join a small number of coordination networks (<10) that exhibit reversible switching for CH4 between 5 and 35 bar, a key requirement for adsorbed natural gas storage.
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Affiliation(s)
- Varvara I Nikolayenko
- Department of Chemical Sciences, Bernal Institute, University of Limerick Limerick V94T9PX Republic of Ireland
| | - Dominic C Castell
- Department of Chemical Sciences, Bernal Institute, University of Limerick Limerick V94T9PX Republic of Ireland
| | - Debobroto Sensharma
- Department of Chemical Sciences, Bernal Institute, University of Limerick Limerick V94T9PX Republic of Ireland
| | - Mohana Shivanna
- Institute for Integrated Cell-Material Sciences (iCeMS), Institute for Advanced Study, Kyoto University (KUIAS) Yoshida Ushinomiyacho, Sakyoku Kyoto 606-8501 Japan
| | - Leigh Loots
- Department of Chemistry and Polymer Science, University of Stellenbosch Matieland 7600 South Africa
| | - Ken-Ichi Otake
- Institute for Integrated Cell-Material Sciences (iCeMS), Institute for Advanced Study, Kyoto University (KUIAS) Yoshida Ushinomiyacho, Sakyoku Kyoto 606-8501 Japan
| | - Susumu Kitagawa
- Institute for Integrated Cell-Material Sciences (iCeMS), Institute for Advanced Study, Kyoto University (KUIAS) Yoshida Ushinomiyacho, Sakyoku Kyoto 606-8501 Japan
| | - Leonard J Barbour
- Department of Chemistry and Polymer Science, University of Stellenbosch Matieland 7600 South Africa
| | - Michael J Zaworotko
- Department of Chemical Sciences, Bernal Institute, University of Limerick Limerick V94T9PX Republic of Ireland
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3
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Banks PA, Kleist EM, Ruggiero MT. Investigating the function and design of molecular materials through terahertz vibrational spectroscopy. Nat Rev Chem 2023; 7:480-495. [PMID: 37414981 DOI: 10.1038/s41570-023-00487-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/13/2023] [Indexed: 07/08/2023]
Abstract
Terahertz spectroscopy has proved to be an essential tool for the study of condensed phase materials. Terahertz spectroscopy probes the low-frequency vibrational dynamics of atoms and molecules, usually in the condensed phase. These nuclear dynamics, which typically involve displacements of entire molecules, have been linked to bulk phenomena ranging from phase transformations to semiconducting efficiency. The terahertz region of the electromagnetic spectrum has historically been referred to as the 'terahertz gap', but this is a misnomer, as there exist a multitude of methods for accessing terahertz frequencies, and now there are cost-effective instruments that have made terahertz studies much more user-friendly. This Review highlights some of the most exciting applications of terahertz vibrational spectroscopy so far, and provides an in-depth overview of the methods of this technique and its utility to the study of the chemical sciences.
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Affiliation(s)
- Peter A Banks
- Department of Chemistry, University of Vermont, Burlington, VT, USA
| | - Elyse M Kleist
- Department of Chemistry, University of Vermont, Burlington, VT, USA
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4
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Maity R, Gholami M, Peter SA, Schoukens M, Tiriana S, Baron GV, Denayer JFM. Strategic Fast Induction Heating to Combat Hysteresis Barriers in a Flexible MOF for Rapid CO 2 Desorption in Biogas Upgrading. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023:e2302893. [PMID: 37183271 DOI: 10.1002/smll.202302893] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Indexed: 05/16/2023]
Abstract
A major challenge in Cyclic Swing Separation using flexible adsorbents that have high equilibrium CO2 adsorption capacity is their very low-pressure hysteresis that hinders efficient desorption. Mg-Gallate MOF is such a flexible adsorbent that only begins to release CO2 at its pore closing pressure at 0.08 bar and 30 °C, showing very slow and inefficient desorption in pressure or temperature swing. Therefore, a novel strategy is presented that combines state of art technique Magnetic Induction Heating with a vacuum swing for fast and efficient CO2 desorption from flexible adsorbents at a moderately elevated temperature (70 °C).
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Affiliation(s)
- Rahul Maity
- Department of Chemical Engineering (CHIS), Vrije Universiteit Brussel, Brussels, 1050, Belgium
| | - Mohsen Gholami
- Department of Chemical Engineering (CHIS), Vrije Universiteit Brussel, Brussels, 1050, Belgium
| | - Sunil A Peter
- Department of Chemical Engineering (CHIS), Vrije Universiteit Brussel, Brussels, 1050, Belgium
| | - Matthias Schoukens
- Department of Chemical Engineering (CHIS), Vrije Universiteit Brussel, Brussels, 1050, Belgium
| | - Segato Tiriana
- Service Materials Engineering, Characterization, Synthesis, and, Recycling (4MAT), Université Libre de Bruxelles, Brussels, 1050, Belgium
| | - Gino V Baron
- Department of Chemical Engineering (CHIS), Vrije Universiteit Brussel, Brussels, 1050, Belgium
| | - Joeri F M Denayer
- Department of Chemical Engineering (CHIS), Vrije Universiteit Brussel, Brussels, 1050, Belgium
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5
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Nikolayenko VI, Castell DC, Sensharma D, Shivanna M, Loots L, Forrest KA, Solanilla-Salinas CJ, Otake KI, Kitagawa S, Barbour LJ, Space B, Zaworotko MJ. Reversible transformations between the non-porous phases of a flexible coordination network enabled by transient porosity. Nat Chem 2023; 15:542-549. [PMID: 36781909 PMCID: PMC10070188 DOI: 10.1038/s41557-022-01128-3] [Citation(s) in RCA: 21] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Accepted: 12/15/2022] [Indexed: 02/15/2023]
Abstract
Flexible metal-organic materials that exhibit stimulus-responsive switching between closed (non-porous) and open (porous) structures induced by gas molecules are of potential utility in gas storage and separation. Such behaviour is currently limited to a few dozen physisorbents that typically switch through a breathing mechanism requiring structural contortions. Here we show a clathrate (non-porous) coordination network that undergoes gas-induced switching between multiple non-porous phases through transient porosity, which involves the diffusion of guests between discrete voids through intra-network distortions. This material is synthesized as a clathrate phase with solvent-filled cavities; evacuation affords a single-crystal to single-crystal transformation to a phase with smaller cavities. At 298 K, carbon dioxide, acetylene, ethylene and ethane induce reversible switching between guest-free and gas-loaded clathrate phases. For carbon dioxide and acetylene at cryogenic temperatures, phases showing progressively higher loadings were observed and characterized using in situ X-ray diffraction, and the mechanism of diffusion was computationally elucidated.
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Affiliation(s)
- Varvara I Nikolayenko
- Department of Chemical Sciences, University of Limerick, Limerick, Republic of Ireland
- Bernal Institute, University of Limerick, Limerick, Republic of Ireland
| | - Dominic C Castell
- Department of Chemical Sciences, University of Limerick, Limerick, Republic of Ireland
- Bernal Institute, University of Limerick, Limerick, Republic of Ireland
| | - Debobroto Sensharma
- Department of Chemical Sciences, University of Limerick, Limerick, Republic of Ireland
- Bernal Institute, University of Limerick, Limerick, Republic of Ireland
| | - Mohana Shivanna
- Institute for Integrated Cell-Material Sciences (iCeMS), Kyoto University Institute for Advanced Study (KUIAS), Kyoto University, Kyoto, Japan
| | - Leigh Loots
- Department of Chemistry and Polymer Science, Stellenbosch University, Stellenbosch, South Africa
| | | | | | - Ken-Ichi Otake
- Institute for Integrated Cell-Material Sciences (iCeMS), Kyoto University Institute for Advanced Study (KUIAS), Kyoto University, Kyoto, Japan
| | - Susumu Kitagawa
- Institute for Integrated Cell-Material Sciences (iCeMS), Kyoto University Institute for Advanced Study (KUIAS), Kyoto University, Kyoto, Japan
| | - Leonard J Barbour
- Department of Chemistry and Polymer Science, Stellenbosch University, Stellenbosch, South Africa
| | - Brian Space
- Department of Chemistry, University of South Florida, Tampa, FL, USA
- Department of Chemistry, North Carolina State University, Raleigh, NC, USA
| | - Michael J Zaworotko
- Department of Chemical Sciences, University of Limerick, Limerick, Republic of Ireland.
- Bernal Institute, University of Limerick, Limerick, Republic of Ireland.
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Metallocavitins as Advanced Enzyme Mimics and Promising Chemical Catalysts. Catalysts 2023. [DOI: 10.3390/catal13020415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/18/2023] Open
Abstract
The supramolecular approach is becoming increasingly dominant in biomimetics and chemical catalysis due to the expansion of the enzyme active center idea, which now includes binding cavities (hydrophobic pockets), channels and canals for transporting substrates and products. For a long time, the mimetic strategy was mainly focused on the first coordination sphere of the metal ion. Understanding that a highly organized cavity-like enzymatic pocket plays a key role in the sophisticated functionality of enzymes and that the activity and selectivity of natural metalloenzymes are due to the effects of the second coordination sphere, created by the protein framework, opens up new perspectives in biomimetic chemistry and catalysis. There are two main goals of mimicking enzymatic catalysis: (1) scientific curiosity to gain insight into the mysterious nature of enzymes, and (2) practical tasks of mankind: to learn from nature and adopt from its many years of evolutionary experience. Understanding the chemistry within the enzyme nanocavity (confinement effect) requires the use of relatively simple model systems. The performance of the transition metal catalyst increases due to its retention in molecular nanocontainers (cavitins). Given the greater potential of chemical synthesis, it is hoped that these promising bioinspired catalysts will achieve catalytic efficiency and selectivity comparable to and even superior to the creations of nature. Now it is obvious that the cavity structure of molecular nanocontainers and the real possibility of modifying their cavities provide unlimited possibilities for simulating the active centers of metalloenzymes. This review will focus on how chemical reactivity is controlled in a well-defined cavitin nanospace. The author also intends to discuss advanced metal–cavitin catalysts related to the study of the main stages of artificial photosynthesis, including energy transfer and storage, water oxidation and proton reduction, as well as highlight the current challenges of activating small molecules, such as H2O, CO2, N2, O2, H2, and CH4.
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Li Y, Hao ZM, Chao MY, Zhang WH, Young DJ. Vacuum-Induced Guest N, N′-Diethylformamide Binding in a Metastable Cd 5-Based Metal–Organic Framework. Inorg Chem 2022; 61:20227-20231. [DOI: 10.1021/acs.inorgchem.2c03549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2022]
Affiliation(s)
- Yan Li
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Zhi-Min Hao
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Meng-Yao Chao
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Wen-Hua Zhang
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - David J. Young
- College of Engineering, Information Technology and Environment, Charles Darwin University, Darwin, Northern Territory 0909, Australia
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8
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Highly Luminescent Crystalline Sponge: Sensing Properties and Direct X-ray Visualization of the Substrates. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27228055. [PMID: 36432154 PMCID: PMC9692560 DOI: 10.3390/molecules27228055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 11/09/2022] [Accepted: 11/17/2022] [Indexed: 11/22/2022]
Abstract
A phenomenon of crystalline sponge is represented by guest-dependent structural fluidity of the host polymeric lattice in highly crystalline sorbents, such as metal-organic frameworks, driven by multiple weak intermolecular interactions. Such induced fitting in MOFs is a valuable property in selective adsorption, guest determination by single-crystal XRD and in-situ structural analysis under external stimuli. In this work, a porous three-dimensional metal-organic framework [Eu2(DMF)4(ttdc)3]·4.45DMF (1DMF; DMF = N,N-dimethylformamide, ttdc2- = trans-thienothiophenedicarboxylate anion) was applied as a crystalline sponge bearing luminescent functionality to couple its sensing properties with direct structural determination of the adsorbed molecules. As a result, the paper discusses crystal structures and luminescent properties for the successfully obtained new adducts with the crystallographic formulae [Eu2(DMSO)4(ttdc)3]·2.5DMSO·2.2H2O (1DMSO; DMSO = dimethylsulfoxide), [Eu2(DMF)4(ttdc)3]·3phet (1phet; phet = phenylethanal) and [Eu2(DMF)3.5(cin)0.5(ttdc)3]·1.64cin (1cin; cin = trans-cinnamaldehyde). As a result of inclusion of DMSO into 1, a slight increase in the quantum yield and excited state phosphorescence lifetime was observed, while the adsorption of phet leads to a considerable (up to three times) decrease in the corresponding values. The incorporation of cinnamal results in a full quenching of QY, from 20% down to zero, and a more than order of magnitude diminishing of the excited state lifetime compared to the initial 1DMF. The effective sensing of cinnamal was explained from the structural point of view by its direct coordination to the Eu3+ emitter, as well as by multiple weak intermolecular interactions with ttdc antenna ligand, both capable of enhancing the non-radiative energy dissipation.
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Shteinman AA. Metallocavitins as Promising Industrial Catalysts: Recent Advances. Front Chem 2022; 9:806800. [PMID: 35223777 PMCID: PMC8873522 DOI: 10.3389/fchem.2021.806800] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Accepted: 12/29/2021] [Indexed: 11/18/2022] Open
Abstract
The energy, material, and environmental problems of society require clean materials and impose an urgent need to develop effective chemical processes for obtaining and converting energy to ensure further sustainable development. To solve these challenges, it is necessary, first of all, to learn solar energy harvesting through the development of artificial photosynthesis. In our planet, water, carbon dioxide, and methane are such affordable and inexhaustible clean materials. Electro/photocatalytic water splitting, and also CO2 and CH4 transforming into valuable products, requires the search for relevant efficient and selective processes and catalysts. Of great interest is the emerging new generation of bioinspired catalysts—metallocavitins (MCs). MCs are attracting increasing attention of researchers as advanced models of metalloenzymes, whose efficiency and selectivity are well known. The primary field of MC application is fine organic synthesis and enantioselective catalysis. On the other hand, MCs demonstrate high activity for energy challenging reactions involving small gas molecules and high selectivity for converting them into valuable products. This mini-review will highlight some recent advances in the synthesis of organic substances using MCs, but its main focus will be on the rapid development of advanced catalysts for the activation of small molecules, such as H2O, CO2, and CH4, and the prospects for creating related technological processes in the future.
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Lama P, Rawat A, Sikiti P, Pal TK. Significance of an Environmental Gas Cell to Obtain a Fully Dehydrated Form and CO 2-Pressurized Structure of a Metal-Organic Framework Using In Situ Single-Crystal X-ray Diffraction at 298 K. Inorg Chem 2022; 61:939-943. [PMID: 34974708 DOI: 10.1021/acs.inorgchem.1c02933] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The single-crystal X-ray diffraction method was employed to characterize a rigid hydrated metal-organic framework (MOF), [Co2(MA)(INA)·2H2O]n, that displays an affinity toward water molecules under ambient conditions after dehydration. The fully dehydrated form was obtained using an environmental gas cell technique in a stepwise manner followed by its CO2-pressurized structure at 298 K using in situ crystallography.
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Affiliation(s)
- Prem Lama
- DHOP Division, Council of Scientific and Industrial Research, Indian Institute of Petroleum, Haridwar Road, Mohkampur, Dehradun 248005, India.,School of Chemical Sciences, Goa University, Taleigao Plateau, Taleigao, Goa 403206, India
| | - Ashutosh Rawat
- DHOP Division, Council of Scientific and Industrial Research, Indian Institute of Petroleum, Haridwar Road, Mohkampur, Dehradun 248005, India
| | - Phumile Sikiti
- Department of Chemistry and Polymer Science, University of Stellenbosch, Matieland 7602, South Africa
| | - Tapan K Pal
- Department of Chemistry, Pandit Deendayal Petroleum University, Gandhinagar, Gujarat 382426, India
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