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Iacomi P, Maurin G. ResponZIF Structures: Zeolitic Imidazolate Frameworks as Stimuli-Responsive Materials. ACS APPLIED MATERIALS & INTERFACES 2021; 13:50602-50642. [PMID: 34669387 DOI: 10.1021/acsami.1c12403] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Zeolitic imidazolate frameworks (ZIFs) have long been recognized as a prominent subset of the metal-organic framework (MOF) family, in part because of their ease of synthesis and good thermal and chemical stability, alongside attractive properties for diverse potential applications. Prototypical ZIFs like ZIF-8 have become embodiments of the significant promise held by porous coordination polymers as next-generation designer materials. At the same time, their intriguing property of experiencing significant structural changes upon the application of external stimuli such as temperature, mechanical pressure, guest adsorption, or electromagnetic fields, among others, has placed this family of MOFs squarely under the umbrella of stimuli-responsive materials. In this review, we provide an overview of the current understanding of the triggered structural and electronic responses observed in ZIFs (linker and bond dynamics, crystalline and amorphous phase changes, luminescence, etc.). We then describe the state-of-the-art experimental and computational methodology capable of shedding light on these complex phenomena, followed by a comprehensive summary of the stimuli-responsive nature of four prototypical ZIFs: ZIF-8, ZIF-7, ZIF-4, and ZIF-zni. We further expose the relevant challenges for the characterization and fundamental understanding of responsive ZIFs, including how to take advantage of their flexible properties for new application avenues.
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Affiliation(s)
- Paul Iacomi
- UMR 5253, CNRS, ENSCM, Institut Charles Gerhardt Montpellier, University of Montpellier, Montpellier 34293, France
| | - Guillaume Maurin
- UMR 5253, CNRS, ENSCM, Institut Charles Gerhardt Montpellier, University of Montpellier, Montpellier 34293, France
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2
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Gao WY, Van Trieste Iii GP, Powers DC. Synthesis of atomically precise single-crystalline Ru 2-based coordination polymers. Dalton Trans 2020; 49:16077-16081. [PMID: 32677645 DOI: 10.1039/d0dt02233k] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Methods to incorporate kinetically inert metal nodes and highly basic ligands into single-crystalline metal-organic frameworks (MOFs) are scarce, which prevents synthesis and systematic variation of many potential heterogeneous catalyst materials. Here we demonstrate that metallopolymerization of kinetically inert Ru2 metallomonomers via labile Ag-N bonds provides access to a family of atomically precise single-crystalline Ru2-based coordination polymers with varied network topology and primary coordination sphere.
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Affiliation(s)
- Wen-Yang Gao
- Department of Chemistry, Texas A&M University, 3255 TAMU, College Station, TX, 77843, USA.
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3
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Miller RG, Warren MR, Allan DR, Brooker S. Direct Crystallographic Observation of CO 2 Captured in Zig Zag Channels of a Copper(I) Metal–Organic Framework. Inorg Chem 2020; 59:6376-6381. [DOI: 10.1021/acs.inorgchem.0c00471] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Reece G. Miller
- Department of Chemistry and MacDiarmid Institute for Advanced Materials and Nanotechnology, University of Otago, PO Box 56, Dunedin 9054, New Zealand
| | - Mark R. Warren
- Diamond Light Source, Harwell Science and Innovation Campus, Didcot OX11 0QX, United Kingdom
| | - David R. Allan
- Diamond Light Source, Harwell Science and Innovation Campus, Didcot OX11 0QX, United Kingdom
| | - Sally Brooker
- Department of Chemistry and MacDiarmid Institute for Advanced Materials and Nanotechnology, University of Otago, PO Box 56, Dunedin 9054, New Zealand
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4
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Rosen PF, Dickson MS, Calvin JJ, Ross NL, Friščić T, Navrotsky A, Woodfield BF. Thermodynamic Evidence of Structural Transformations in CO 2-Loaded Metal-Organic Framework Zn(MeIm) 2 from Heat Capacity Measurements. J Am Chem Soc 2020; 142:4833-4841. [PMID: 32070102 DOI: 10.1021/jacs.9b13883] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Metal-organic frameworks are a class of porous compounds with potential applications in molecular sieving, gas sequestration, and catalysis. One family of MOFs, zeolitic imidizolate frameworks (ZIFs), is of particular interest for carbon dioxide sequestration. We have previously reported the heat capacity of the sodalite topology of the zinc 2-methylimidazolate framework (ZIF-8), and in this Article we present the first low-temperature heat capacity measurements of ZIF-8 with various amounts of sorbed CO2. Molar heat capacities from 1.8 to 300 K are presented for samples containing up to 0.99 mol of CO2 per mol of ZIF-8. Samples with at least 0.56 mol of CO2 per mol of ZIF-8 display a large, broad anomaly from 70 to 220 K with a shoulder on the low-temperature side, suggesting sorption-induced structural transitions. We attribute the broad anomaly partially to a gate-opening transition, with the remainder resulting from CO2 rearrangement and/or lattice expansion. The measurements also reveal a subtle anomaly from 0 to 70 K in all samples that does not exist in the sorbate-free material, which likely reflects new vibrational modes resulting from sorbate/ZIF-8 interactions. These results provide the first thermodynamic evidence of structural transitions induced by CO2 sorption in the ZIF-8 framework.
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Affiliation(s)
- Peter F Rosen
- Department of Chemistry and Biochemistry, Brigham Young University, Provo, Utah 84602, United States
| | - Matthew S Dickson
- Department of Chemistry and Biochemistry, Brigham Young University, Provo, Utah 84602, United States
| | - Jason J Calvin
- Department of Chemistry and Biochemistry, Brigham Young University, Provo, Utah 84602, United States
| | - Nancy L Ross
- Department of Geosciences, Virginia Tech, Blacksburg, Virginia 24061, United States
| | - Tomislav Friščić
- Department of Chemistry, McGill University, Montreal H3A 0B8, Canada
| | - Alexandra Navrotsky
- School of Molecular Sciences and Center for Materials of the Universe, Arizona State University, Tempe, Arizona 85281, United States
| | - Brian F Woodfield
- Department of Chemistry and Biochemistry, Brigham Young University, Provo, Utah 84602, United States
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5
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James JB, Lang L, Meng L, Lin JYS. Postsynthetic Modification of ZIF-8 Membranes via Membrane Surface Ligand Exchange for Light Hydrocarbon Gas Separation Enhancement. ACS APPLIED MATERIALS & INTERFACES 2020; 12:3893-3902. [PMID: 31887005 DOI: 10.1021/acsami.9b19964] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
The ability to tailor the pore structure of metal-organic framework (MOF) membranes enables synthesis of new or modified MOF membranes with enhanced separation characteristics. This work employs a modified version of solvent-assisted ligand exchange, termed membrane surface ligand exchange (MSLE), to modify the pore structure of zeolitic imidazolate framework-8 (ZIF-8) membranes. This paper is the first to perform a time-based, ex situ characterization and gas permeation study of ZIF-8 MSLE with 5,6-DBIM (DBIM, dimethylbenzimidazole) to effectively narrow the ZIF-8 pores, enhance light hydrocarbon gas-phase separations, and give insight into the exchange mechanism with respect to time and temperature. The results show that relatively fast exchange kinetics occur mainly at the outer surface of the ZIF-8 membrane during the initial 30 min of exchange and enables significant (40-70%) increases in propylene/propane selectivity with minimal (10-20%) propylene permeance losses for the modified ZIF-8 membranes. We postulate as the reaction time proceeds, the ligand-exchange rate slows as the DBIM linker diffuses into the ZIF-8 membrane beyond the external surface, exchanges with the original linker, disrupts the original framework's crystallinity, and then increases long-range order/crystallinity as the reaction proceeds. The H2/C2 separation factor increases with increased 5,6-DBIM content in the ZIF-8 framework which is facilitated by increased MSLE time and reaction temperature.
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Affiliation(s)
- Joshua B James
- Chemical Engineering, School for Engineering of Matter, Transport and Energy , Arizona State University , Tempe , Arizona 85287 , United States
| | - Lin Lang
- Chemical Engineering, School for Engineering of Matter, Transport and Energy , Arizona State University , Tempe , Arizona 85287 , United States
- Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences (CAS) , Guangzhou 510640 , China
| | - Lie Meng
- Chemical Engineering, School for Engineering of Matter, Transport and Energy , Arizona State University , Tempe , Arizona 85287 , United States
| | - Jerry Y S Lin
- Chemical Engineering, School for Engineering of Matter, Transport and Energy , Arizona State University , Tempe , Arizona 85287 , United States
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6
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M'bitsi-Ibouily GC, Marimuthu T, Kumar P, Choonara YE, du Toit LC, Pradeep P, Modi G, Pillay V. Synthesis, Characterisation and In Vitro Permeation, Dissolution and Cytotoxic Evaluation of Ruthenium(II)-Liganded Sulpiride and Amino Alcohol. Sci Rep 2019; 9:4146. [PMID: 30858469 PMCID: PMC6412051 DOI: 10.1038/s41598-019-40538-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2018] [Accepted: 02/07/2019] [Indexed: 12/15/2022] Open
Abstract
Sulpiride (SPR) is a selective antagonist of central dopamine receptors but has limited clinical use due to its poor pharmacokinetics. The aim of this study was to investigate how metal ligation to SPR may improve its solubility, intestinal permeability and prolong its half-life. The synthesis and characterisation of ternary metal complexes [Ru(p -cymene)(L)(SPR)]PF6 (L1 = (R)-(+)-2-amino-3-phenyl-1-propanol, L2 = ethanolamine, L3 = (S)-(+)-2-amino-1-propanol, L4 = 3-amino-1-propanol, L5 = (S)-(+)-2-pyrrolidinemethanol) are described in this work. The stability constant of the [Ru(p -cymene)(SPR)] complex was determined using Job's method. The obtained value revealed higher stability of the metal complex in the physiological pH than in an acidic environment such as the stomach. The ternary metal complexes were characterised by elemental analysis, Fourier transform infrared spectroscopy (FT-IR), 1H and 13C nuclear magnetic resonance (NMR), differential scanning calorimetry (DSC), thermal analyses, Ultraviolet-Visible (UV-Vis). Solubility studies showed higher aqueous solubility for complexed SPR than the free drug. Dissolution profiles of SPR from the metal complexes exhibited slower dissolution rate of the drug. Permeation studies through the pig's intestine revealed enhanced membrane permeation of the complexed drug. In vitro methyl thiazolyl tetrazolium (MTT) assay showed no noticeable toxic effects of the ternary metal complexes on Caco-2 cell line.
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Affiliation(s)
- Gretta C M'bitsi-Ibouily
- Wits Advanced Drug Delivery Platform Research Unit, Department of Pharmacy and Pharmacology, School of Therapeutic Sciences, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, 7 York Road, Parktown, 2193, South Africa
| | - Thashree Marimuthu
- Wits Advanced Drug Delivery Platform Research Unit, Department of Pharmacy and Pharmacology, School of Therapeutic Sciences, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, 7 York Road, Parktown, 2193, South Africa
| | - Pradeep Kumar
- Wits Advanced Drug Delivery Platform Research Unit, Department of Pharmacy and Pharmacology, School of Therapeutic Sciences, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, 7 York Road, Parktown, 2193, South Africa
| | - Yahya E Choonara
- Wits Advanced Drug Delivery Platform Research Unit, Department of Pharmacy and Pharmacology, School of Therapeutic Sciences, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, 7 York Road, Parktown, 2193, South Africa
| | - Lisa C du Toit
- Wits Advanced Drug Delivery Platform Research Unit, Department of Pharmacy and Pharmacology, School of Therapeutic Sciences, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, 7 York Road, Parktown, 2193, South Africa
| | - Priyamvada Pradeep
- Wits Advanced Drug Delivery Platform Research Unit, Department of Pharmacy and Pharmacology, School of Therapeutic Sciences, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, 7 York Road, Parktown, 2193, South Africa
| | - Girish Modi
- Department of Neurology, Division of Neurosciences, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, 7 York Road, Parktown, 2193, South Africa
| | - Viness Pillay
- Wits Advanced Drug Delivery Platform Research Unit, Department of Pharmacy and Pharmacology, School of Therapeutic Sciences, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, 7 York Road, Parktown, 2193, South Africa.
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7
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The Transitional Transmittance Response of ZIF-8 Gas Adsorption Observed Using Terahertz Waves. E-JOURNAL OF SURFACE SCIENCE AND NANOTECHNOLOGY 2018. [DOI: 10.1380/ejssnt.2018.142] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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8
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Understanding the adsorption process in ZIF-8 using high pressure crystallography and computational modelling. Nat Commun 2018; 9:1429. [PMID: 29650966 PMCID: PMC5897325 DOI: 10.1038/s41467-018-03878-6] [Citation(s) in RCA: 84] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2017] [Accepted: 03/20/2018] [Indexed: 11/08/2022] Open
Abstract
Some porous crystalline solids change their structure upon guest inclusion. Unlocking the potential of these solids for a wide variety of applications requires full characterisation of the response to adsorption and the underlying framework–guest interactions. Here, we introduce an approach to understanding gas uptake in porous metal-organic frameworks (MOFs) by loading liquefied gases at GPa pressures inside the Zn-based framework ZIF-8. An integrated experimental and computational study using high-pressure crystallography, grand canonical Monte Carlo (GCMC) and periodic DFT simulations has revealed six symmetry-independent adsorption sites within the framework and a transition to a high-pressure phase. The cryogenic high-pressure loading method offers a different approach to obtaining atomistic detail on guest molecules. The GCMC simulations provide information on interaction energies of the adsorption sites allowing to classify the sites by energy. DFT calculations reveal the energy barrier of the transition to the high-pressure phase. This combination of techniques provides a holistic approach to understanding both structural and energetic changes upon adsorption in MOFs. Understanding host–guest interactions and structural changes within porous materials is crucial for enhancing gas storage properties. Here, the authors combine cryogenic loading of gases with high pressure crystallography and computational techniques to obtain atomistic detail of adsorption-induced structural and energetic changes in ZIF-8.
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9
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Xu L, Wu D, Zhou B, Xu Y, Wang W, Yu D, Luo D. Microencapsulated sunblock nanoparticles based on zeolitic imidazole frameworks for safe and effective UV protection. RSC Adv 2018; 8:12315-12321. [PMID: 35539407 PMCID: PMC9079274 DOI: 10.1039/c8ra00632f] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2018] [Accepted: 03/19/2018] [Indexed: 01/17/2023] Open
Abstract
Microencapsulation of UV filters into ZIFs could improve UV photoprotection and minimize the deleterious effects of UV filter transdermal absorption.
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Affiliation(s)
- Lixian Xu
- Department of Dermatology
- The First Affiliated Hospital of Nanjing Medical University
- Nanjing
- P. R. China
| | - Di Wu
- Department of Dermatology
- The First Affiliated Hospital of Nanjing Medical University
- Nanjing
- P. R. China
| | - Bingrong Zhou
- Department of Dermatology
- The First Affiliated Hospital of Nanjing Medical University
- Nanjing
- P. R. China
| | - Yang Xu
- Department of Dermatology
- The First Affiliated Hospital of Nanjing Medical University
- Nanjing
- P. R. China
| | - Wenjuan Wang
- College of Biotechnology and Pharmaceutical Engineering
- Nanjing Tech University
- Nanjing
- P. R. China
| | - Dinghua Yu
- College of Biotechnology and Pharmaceutical Engineering
- Nanjing Tech University
- Nanjing
- P. R. China
| | - Dan Luo
- Department of Dermatology
- The First Affiliated Hospital of Nanjing Medical University
- Nanjing
- P. R. China
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10
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Liu Z, Gao Q, Chen J, Deng J, Lin K, Xing X. Negative thermal expansion in molecular materials. Chem Commun (Camb) 2018; 54:5164-5176. [DOI: 10.1039/c8cc01153b] [Citation(s) in RCA: 66] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Some mechanisms resulting in negative thermal expansion in molecular materials are summarized.
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Affiliation(s)
- Zhanning Liu
- Department of Physical Chemistry
- University of Science and Technology Beijing
- Beijing
- China
| | - Qilong Gao
- Department of Physical Chemistry
- University of Science and Technology Beijing
- Beijing
- China
| | - Jun Chen
- Department of Physical Chemistry
- University of Science and Technology Beijing
- Beijing
- China
| | - Jinxia Deng
- Department of Physical Chemistry
- University of Science and Technology Beijing
- Beijing
- China
| | - Kun Lin
- Department of Physical Chemistry
- University of Science and Technology Beijing
- Beijing
- China
| | - Xianran Xing
- Department of Physical Chemistry
- University of Science and Technology Beijing
- Beijing
- China
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11
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Zhang JP, Zhou HL, Zhou DD, Liao PQ, Chen XM. Controlling flexibility of metal–organic frameworks. Natl Sci Rev 2017. [DOI: 10.1093/nsr/nwx127] [Citation(s) in RCA: 174] [Impact Index Per Article: 24.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Affiliation(s)
- Jie-Peng Zhang
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, China
| | - Hao-Long Zhou
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, China
| | - Dong-Dong Zhou
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, China
| | - Pei-Qin Liao
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, China
| | - Xiao-Ming Chen
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, China
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province, Shantou University, Shantou 515063, China
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12
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A solid-state 1H-NMR study of the dynamic structure of ZIF-8 and its role in the adsorption of bulky molecules. ADSORPTION 2017. [DOI: 10.1007/s10450-017-9902-5] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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13
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Springer S, Heidenreich N, Stock N, van Wüllen L, Huber K, Leoni S, Wiebcke M. The ZIF system zinc(II) 4,5-dichoroimidazolate: theoretical and experimental investigations of the polymorphism and crystallization mechanisms. ACTA ACUST UNITED AC 2017. [DOI: 10.1515/zkri-2016-1968] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
AbstractIn this report, we summarize our theoretical and experimental investigations on the zeolitic imidazolate framework (ZIF) system [Zn(dcim)
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14
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Radhakrishnan D, Narayana C. Guest dependent Brillouin and Raman scattering studies of zeolitic imidazolate framework-8 (ZIF-8) under external pressure. J Chem Phys 2016; 144:134704. [DOI: 10.1063/1.4945013] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Dhanya Radhakrishnan
- Chemistry and Physics of Materials Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bangalore 560064, India
| | - Chandrabhas Narayana
- Chemistry and Physics of Materials Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bangalore 560064, India
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15
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Tian T, Wharmby MT, Parra JB, Ania CO, Fairen-Jimenez D. Role of crystal size on swing-effect and adsorption induced structure transition of ZIF-8. Dalton Trans 2016; 45:6893-900. [PMID: 26948119 DOI: 10.1039/c6dt00565a] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The flexibility and structure transition behaviour of ZIF-8 in a series of samples with different particle size has been studied using a combination of high-resolution N2 gas adsorption isotherms and, for the first time, a broad in situ PXRD and Rietveld analysis.
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Affiliation(s)
- Tian Tian
- Department of Chemical Engineering and Biotechnology
- University of Cambridge
- Cambridge CB2 3RA
- UK
| | | | | | | | - David Fairen-Jimenez
- Department of Chemical Engineering and Biotechnology
- University of Cambridge
- Cambridge CB2 3RA
- UK
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16
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Springer S, Baburin IA, Heinemeyer T, Schiffmann JG, van Wüllen L, Leoni S, Wiebcke M. A zeolitic imidazolate framework with conformational variety: conformational polymorphs versus frameworks with static conformational disorder. CrystEngComm 2016. [DOI: 10.1039/c6ce00312e] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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17
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Radhakrishnan D, Narayana C. Effect of pore occupancy on the acoustic properties of zeolitic imidazolate framework (ZIF)-8: A Brillouin spectroscopic study at ambient and low temperatures. J Chem Phys 2015; 143:234703. [DOI: 10.1063/1.4937763] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
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18
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Lin JM, He CT, Liao PQ, Lin RB, Zhang JP. Structural, energetic, and dynamic insights into the abnormal xylene separation behavior of hierarchical porous crystal. Sci Rep 2015; 5:11537. [PMID: 26113287 PMCID: PMC4481377 DOI: 10.1038/srep11537] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2015] [Accepted: 05/11/2015] [Indexed: 01/24/2023] Open
Abstract
Separation of highly similar molecules and understanding the underlying mechanism are of paramount theoretical and practical importance, but visualization of the host-guest structure, energy, or dynamism is very difficult and many details have been overlooked. Here, we report a new porous coordination polymer featuring hierarchical porosity and delicate flexibility, in which the three structural isomers of xylene (also similar disubstituted benzene derivatives) can be efficiently separated with an elution sequence inversed with those for conventional mechanisms. More importantly, the separation mechanism is comprehensively and quantitatively visualized by single-crystal X-ray crystallography coupled with multiple computational simulation methods, in which the small apertures not only fit best the smallest para-isomer like molecular sieves, but also show seemingly trivial yet crucial structural alterations to distinguish the meta- and ortho-isomers via a gating mechanism, while the large channels allow fast guest diffusion and enable the structural/energetic effects to be accumulated in the macroscopic level.
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Affiliation(s)
- Jiao-Min Lin
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry and Chemical Engineering, Sun Yat-Sen University, Guangzhou 510275, P.R. China
| | - Chun-Ting He
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry and Chemical Engineering, Sun Yat-Sen University, Guangzhou 510275, P.R. China
| | - Pei-Qin Liao
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry and Chemical Engineering, Sun Yat-Sen University, Guangzhou 510275, P.R. China
| | - Rui-Biao Lin
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry and Chemical Engineering, Sun Yat-Sen University, Guangzhou 510275, P.R. China
| | - Jie-Peng Zhang
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry and Chemical Engineering, Sun Yat-Sen University, Guangzhou 510275, P.R. China
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19
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Novaković SB, Bogdanović GA, Heering C, Makhloufi G, Francuski D, Janiak C. Charge-Density Distribution and Electrostatic Flexibility of ZIF-8 Based on High-Resolution X-ray Diffraction Data and Periodic Calculations. Inorg Chem 2015; 54:2660-70. [DOI: 10.1021/ic5028256] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Sladjana B. Novaković
- Vinča Institute
of Nuclear Sciences, University of Belgrade, P.O. Box 522, 11001 Belgrade, Serbia
| | - Goran A. Bogdanović
- Vinča Institute
of Nuclear Sciences, University of Belgrade, P.O. Box 522, 11001 Belgrade, Serbia
| | - Christian Heering
- Institut für Anorganische
Chemie und Strukturchemie, Heinrich-Heine-Universität Düsseldorf, Universitätsstrasse
1, 40225 Düsseldorf, Germany
| | - Gamall Makhloufi
- Institut für Anorganische
Chemie und Strukturchemie, Heinrich-Heine-Universität Düsseldorf, Universitätsstrasse
1, 40225 Düsseldorf, Germany
| | - Djordje Francuski
- Institute of Molecular Genetics and Genetic
Engineering, University of Belgrade, Vojvode Stepe 444a, 11010 Belgrade, Serbia
| | - Christoph Janiak
- Institut für Anorganische
Chemie und Strukturchemie, Heinrich-Heine-Universität Düsseldorf, Universitätsstrasse
1, 40225 Düsseldorf, Germany
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20
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Carrington EJ, Vitórica-Yrezábal IJ, Brammer L. Crystallographic studies of gas sorption in metal-organic frameworks. ACTA CRYSTALLOGRAPHICA SECTION B, STRUCTURAL SCIENCE, CRYSTAL ENGINEERING AND MATERIALS 2014; 70:404-22. [PMID: 24892587 PMCID: PMC4045145 DOI: 10.1107/s2052520614009834] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2014] [Accepted: 05/01/2014] [Indexed: 05/25/2023]
Abstract
Metal-organic frameworks (MOFs) are a class of porous crystalline materials of modular design. One of the primary applications of these materials is in the adsorption and separation of gases, with potential benefits to the energy, transport and medical sectors. In situ crystallography of MOFs under gas atmospheres has enabled the behaviour of the frameworks under gas loading to be investigated and has established the precise location of adsorbed gas molecules in a significant number of MOFs. This article reviews progress in such crystallographic studies, which has taken place over the past decade, but has its origins in earlier studies of zeolites, clathrates etc. The review considers studies by single-crystal or powder diffraction using either X-rays or neutrons. Features of MOFs that strongly affect gas sorption behaviour are discussed in the context of in situ crystallographic studies, specifically framework flexibility, and the presence of (organic) functional groups and unsaturated (open) metal sites within pores that can form specific interactions with gas molecules.
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Affiliation(s)
- Elliot J. Carrington
- Department of Chemistry, University of Sheffield, Brook Hill, Sheffield S3 7HF, England
| | | | - Lee Brammer
- Department of Chemistry, University of Sheffield, Brook Hill, Sheffield S3 7HF, England
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Zhang JP, Liao PQ, Zhou HL, Lin RB, Chen XM. Single-crystal X-ray diffraction studies on structural transformations of porous coordination polymers. Chem Soc Rev 2014; 43:5789-814. [DOI: 10.1039/c4cs00129j] [Citation(s) in RCA: 361] [Impact Index Per Article: 36.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
This review gives a brief overview of single-crystal X-ray diffraction studies and single-crystal to single-crystal transformations of porous coordination polymers.
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Affiliation(s)
- Jie-Peng Zhang
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry
- State Key Laboratory of Optoelectronic Materials and Technologies
- School of Chemistry and Chemical Engineering
- Sun Yat-Sen University
- Guangzhou 510275, China
| | - Pei-Qin Liao
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry
- State Key Laboratory of Optoelectronic Materials and Technologies
- School of Chemistry and Chemical Engineering
- Sun Yat-Sen University
- Guangzhou 510275, China
| | - Hao-Long Zhou
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry
- State Key Laboratory of Optoelectronic Materials and Technologies
- School of Chemistry and Chemical Engineering
- Sun Yat-Sen University
- Guangzhou 510275, China
| | - Rui-Biao Lin
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry
- State Key Laboratory of Optoelectronic Materials and Technologies
- School of Chemistry and Chemical Engineering
- Sun Yat-Sen University
- Guangzhou 510275, China
| | - Xiao-Ming Chen
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry
- State Key Laboratory of Optoelectronic Materials and Technologies
- School of Chemistry and Chemical Engineering
- Sun Yat-Sen University
- Guangzhou 510275, China
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Kumari G, Jayaramulu K, Maji TK, Narayana C. Temperature induced structural transformations and gas adsorption in the zeolitic imidazolate framework ZIF-8: a Raman study. J Phys Chem A 2013; 117:11006-12. [PMID: 24106800 DOI: 10.1021/jp407792a] [Citation(s) in RCA: 127] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Here we have used Raman spectroscopy to investigate molecular level changes in the zeolitic imidazolate framework ZIF-8 (a prototypical zeolite-like porous metal organic framework) as a function of temperature. Temperature dependent Raman spectra suggest that at low temperature the softening of the C-H stretching frequencies is due to the decrease in steric hindrance between the methyl groups of methyl imidazole. The larger separation between the methyl groups opens the window for increased nitrogen and methane uptake at temperatures below 153 K. The appearance of Raman bands at 2323 cm(-1) and 2904 cm(-1) at or below 153 K in ZIF-8 are characteristic signatures of the adsorbed nitrogen and methane gases respectively. Nanoscale ZIF-8 uptakes more molecules than bulk ZIF-8, and as a result we could provide evidence for encaged CO2 at 203 K yielding its Raman mode at 1379 cm(-1).
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Affiliation(s)
- Gayatri Kumari
- Chemistry and Physics of Materials Unit and ‡New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research , Jakkur, Bangalore, India 560064
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Wang H, Hu TL, Wen RM, Wang Q, Bu XH. In vitro controlled release of theophylline from metal–drug complexes. J Mater Chem B 2013; 1:3879-3882. [DOI: 10.1039/c3tb20633e] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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