1
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Lease N, Klamborowski LM, Perriot R, Cawkwell MJ, Manner VW. Identifying the Molecular Properties that Drive Explosive Sensitivity in a Series of Nitrate Esters. J Phys Chem Lett 2022; 13:9422-9428. [PMID: 36191261 PMCID: PMC9575148 DOI: 10.1021/acs.jpclett.2c02701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Accepted: 09/30/2022] [Indexed: 06/16/2023]
Abstract
Energetic materials undergo hundreds of chemical reactions during exothermic runaway, generally beginning with the breaking of the weakest chemical bond, the "trigger linkage." Herein we report the syntheses of a series of pentaerythritol tetranitrate (PETN) derivatives in which the energetic nitrate ester groups are systematically substituted by hydroxyl groups. Because all the PETN derivatives have the same nitrate ester-based trigger linkages, quantum molecular dynamics (QMD) simulations show very similar Arrhenius kinetics for the first reactions. However, handling sensitivity testing conducted using drop weight impact indicates that sensitivity decreases precipitously as nitrate esters are replaced by hydroxyl groups. These experimental results are supported by QMD simulations that show systematic decreases in the final temperatures of the products and the energy release as the nitrate ester functional groups are removed. To better interpret these results, we derive a simple model based only on the specific enthalpy of explosion and the kinetics of trigger linkage rupture that accounts qualitatively for the decrease in sensitivity as nitrate ester groups are removed.
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Affiliation(s)
- Nicholas Lease
- High
Explosives Science & Technology, Los
Alamos National Laboratory, Los Alamos, New Mexico87545, United States
| | - Lisa M. Klamborowski
- High
Explosives Science & Technology, Los
Alamos National Laboratory, Los Alamos, New Mexico87545, United States
| | - Romain Perriot
- Theoretical
Division, Los Alamos National Laboratory, Los Alamos, New Mexico87545, United States
| | - Marc J. Cawkwell
- Theoretical
Division, Los Alamos National Laboratory, Los Alamos, New Mexico87545, United States
| | - Virginia W. Manner
- High
Explosives Science & Technology, Los
Alamos National Laboratory, Los Alamos, New Mexico87545, United States
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2
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Frederick E, Appelhans L, DelRio F, Strong KT, Smith S, Dickens S, Vreeland E. Synthesis and Mechanical Properties of sub 5-µm PolyUiO-66 Thin Films on Gold Surfaces. Chemphyschem 2021; 23:e202100673. [PMID: 34861081 DOI: 10.1002/cphc.202100673] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Revised: 12/02/2021] [Indexed: 11/09/2022]
Abstract
Metal-organic framework (MOF) thin films currently lack the mechanical stability needed for electronic device applications. Polymer-based metal-organic frameworks (polyMOFs) have been suggested to provide mechanical advantages over MOFs, however, the mechanical properties of polyMOFs have not yet been characterized. In this work, we developed a method to synthesize continuous sub-5 µm polyUiO-66(Zr) films on Au substrates, which allowed us to undertake initial mechanical property investigations. Comparisons between polyUiO-66 and UiO-66 thin films determined polyUiO-66 thin films exhibit a lower modulus but similar hardness to UiO-66 thin films. The initial mechanical characterization indicates that further development is needed to leverage the mechanical property advantages of polyMOFs over MOFs. Additionally, the demonstration in this work of a continuous surface-supported polyUiO-66 thin film also enables utilization of the emerging class of polyMOF materials in sensors and devices applications.
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Affiliation(s)
- Esther Frederick
- Sandia National Laboratories, N/A, Albuquerque, 21045, New Mexico, UNITED STATES
| | | | - Frank DelRio
- Sandia National Laboratories, New Mexico, UNITED STATES
| | | | - Sean Smith
- Sandia National Laboratories, New Mexico, UNITED STATES
| | - Sara Dickens
- Sandia National Laboratories, New Mexico, UNITED STATES
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3
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Daglar H, Erucar I, Keskin S. Recent advances in simulating gas permeation through MOF membranes. MATERIALS ADVANCES 2021; 2:5300-5317. [PMID: 34458845 PMCID: PMC8366394 DOI: 10.1039/d1ma00026h] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Accepted: 07/21/2021] [Indexed: 05/20/2023]
Abstract
In the last two decades, metal organic frameworks (MOFs) have gained increasing attention in membrane-based gas separations due to their tunable structural properties. Computational methods play a critical role in providing molecular-level information about the membrane properties and identifying the most promising MOF membranes for various gas separations. In this review, we discuss the current state-of-the-art in molecular modeling methods to simulate gas permeation through MOF membranes and review the recent advancements. We finally address current opportunities and challenges of simulating gas permeation through MOF membranes to guide the development of high-performance MOF membranes in the future.
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Affiliation(s)
- Hilal Daglar
- Department of Chemical and Biological Engineering, Koc University, Rumelifeneri Yolu Sariyer 34450 Istanbul Turkey +90-(212)-338-1362
| | - Ilknur Erucar
- Department of Natural and Mathematical Sciences, Faculty of Engineering, Ozyegin University, Cekmekoy 34794 Istanbul Turkey
| | - Seda Keskin
- Department of Chemical and Biological Engineering, Koc University, Rumelifeneri Yolu Sariyer 34450 Istanbul Turkey +90-(212)-338-1362
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4
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Sussardi A, Hobday CL, Marshall RJ, Forgan RS, Jones AC, Moggach SA. Correlating Pressure-Induced Emission Modulation with Linker Rotation in a Photoluminescent MOF. Angew Chem Int Ed Engl 2020; 59:8118-8122. [PMID: 32133755 PMCID: PMC7317771 DOI: 10.1002/anie.202000555] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2020] [Revised: 02/14/2020] [Indexed: 12/26/2022]
Abstract
Conformational changes of linker units in metal-organic frameworks (MOFs) are often responsible for gate-opening phenomena in selective gas adsorption and stimuli-responsive optical and electrical sensing behaviour. Herein, we show that pressure-induced bathochromic shifts in both fluorescence emission and UV/Vis absorption spectra of a two-fold interpenetrated Hf MOF, linked by 1,4-phenylene-bis(4-ethynylbenzoate) ligands (Hf-peb), are induced by rotation of the central phenyl ring of the linker, from a coplanar arrangement to a twisted, previously unseen conformer. Single-crystal X-ray diffraction, alongside in situ fluorescence and UV/Vis absorption spectroscopies, measured up to 2.1 GPa in a diamond anvil cell on single crystals, are in excellent agreement, correlating linker rotation with modulation of emission. Topologically isolating the 1,4-phenylene-bis(4-ethynylbenzoate) units within a MOF facilitates concurrent structural and spectroscopic studies in the absence of intermolecular perturbation, allowing characterisation of the luminescence properties of a high-energy, twisted conformation of the previously well-studied chromophore. We expect the unique environment provided by network solids, and the capability of combining crystallographic and spectroscopic analysis, will greatly enhance understanding of luminescent molecules and lead to the development of novel sensors and adsorbents.
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Affiliation(s)
- Alif Sussardi
- EaStCHEMSchool of ChemistryThe University of EdinburghDavid Brewster RoadEdinburghEH9 3FJUK
| | - Claire L. Hobday
- EaStCHEMSchool of ChemistryThe University of EdinburghDavid Brewster RoadEdinburghEH9 3FJUK
| | - Ross J. Marshall
- WestCHEMSchool of ChemistryUniversity of GlasgowUniversity AvenueGlasgowG12 8QQUK
| | - Ross S. Forgan
- WestCHEMSchool of ChemistryUniversity of GlasgowUniversity AvenueGlasgowG12 8QQUK
| | - Anita C. Jones
- EaStCHEMSchool of ChemistryThe University of EdinburghDavid Brewster RoadEdinburghEH9 3FJUK
| | - Stephen A. Moggach
- School of Molecular Sciences/ Centre for Microscopy, Characterisation and AnalysisThe University of Western Australia35 Stirling Highway, CrawleyPerthWestern Australia6009Australia
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5
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Sussardi A, Hobday CL, Marshall RJ, Forgan RS, Jones AC, Moggach SA. Correlating Pressure‐Induced Emission Modulation with Linker Rotation in a Photoluminescent MOF. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202000555] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Alif Sussardi
- EaStCHEMSchool of ChemistryThe University of Edinburgh David Brewster Road Edinburgh EH9 3FJ UK
| | - Claire L. Hobday
- EaStCHEMSchool of ChemistryThe University of Edinburgh David Brewster Road Edinburgh EH9 3FJ UK
| | - Ross J. Marshall
- WestCHEMSchool of ChemistryUniversity of Glasgow University Avenue Glasgow G12 8QQ UK
| | - Ross S. Forgan
- WestCHEMSchool of ChemistryUniversity of Glasgow University Avenue Glasgow G12 8QQ UK
| | - Anita C. Jones
- EaStCHEMSchool of ChemistryThe University of Edinburgh David Brewster Road Edinburgh EH9 3FJ UK
| | - Stephen A. Moggach
- School of Molecular Sciences/ Centre for Microscopy, Characterisation and AnalysisThe University of Western Australia 35 Stirling Highway, Crawley Perth Western Australia 6009 Australia
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6
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Philip‐Leverhulme‐Preise in Chemie 2019. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202000098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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7
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Philip Leverhulme Prizes for Chemistry 2019. Angew Chem Int Ed Engl 2020; 59:2549. [DOI: 10.1002/anie.202000098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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8
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Jiang S, Hu Y, Chen S, Huang Y, Song Y. Elucidation of the Structural Origins and Contrasting Guest-Host Interactions in CO 2 -Loaded CdSDB and PbSDB Metal-Organic Frameworks at High Pressures. Chemistry 2018; 24:19280-19288. [PMID: 30318633 DOI: 10.1002/chem.201804069] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2018] [Revised: 10/10/2018] [Indexed: 11/09/2022]
Abstract
PbSDB and CdSDB (SDB=4,4'-sulfonyldibenzoate) are two structurally related SDB-based metal-organic frameworks (MOFs) that demonstrate promising potential for selective CO2 adsorption capabilities. The structural stabilities and guest-host interactions between CO2 and PbSDB or CdSDB frameworks at high pressures up to 13 GPa in situ were comparatively investigated by Raman spectroscopy, FTIR spectroscopy, and synchrotron X-ray diffraction. Although both empty frameworks exhibited high chemical stabilities upon compression, they show different pressure-induced modifications in crystallinity. This difference can be attributed to their different coordination topologies that result in near isotropic contraction of unit cells for the CdSDB framework but anisotropic for the PbSDB framework. Furthermore, the CO2 -loaded PbSDB and CdSDB frameworks at high pressures show strongly contrasting guest-host interactions in terms of the pressure-regulated CO2 adsorption sites. In both frameworks, pressure can highly efficiently promote the formation of new CO2 adsorption sites and the enhancement of guest-host interactions. In the CO2 -loaded PbSDB framework, in particular, the peculiar pressure-tuned CO2 population was observed preferentially on one of the two adsorption sites in response to external compression. These unique guest-host interaction behaviors can also be unambiguously correlated to their different topological origins. These findings for the PbSDB and CdSDB frameworks provide in-depth understanding of the structure-property relationship, which is of fundamental importance for CO2 storage application in SDB-based MOFs.
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Affiliation(s)
- Shan Jiang
- Department of Chemistry, The University of Western Ontario, London, Ontario, N6A 5B7, Canada
| | - Yue Hu
- Department of Chemistry, The University of Western Ontario, London, Ontario, N6A 5B7, Canada
| | - Shoushun Chen
- Department of Chemistry, The University of Western Ontario, London, Ontario, N6A 5B7, Canada
| | - Yining Huang
- Department of Chemistry, The University of Western Ontario, London, Ontario, N6A 5B7, Canada.,Soochow University-Western University Centre for Synchrotron, Radiation Research, The University of Western Ontario, London, Ontario, N6A 5B7, Canada
| | - Yang Song
- Department of Chemistry, The University of Western Ontario, London, Ontario, N6A 5B7, Canada.,Soochow University-Western University Centre for Synchrotron, Radiation Research, The University of Western Ontario, London, Ontario, N6A 5B7, Canada
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9
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Chitnis AV, Bhatt H, Mączka M, Deo MN, Garg N. Remarkable resilience of the formate cage in a multiferroic metal organic framework material: dimethyl ammonium manganese formate (DMAMnF). Dalton Trans 2018; 47:12993-13005. [PMID: 30152835 DOI: 10.1039/c8dt03080d] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Dimethyl ammonium (DMA) metal formate, an important member of the dense metal organic framework (MOF) family, is known to exhibit a low temperature ferroelectric transition, caused by the ordering of the hydrogen bonds. In this study, we probed the effect of pressure on the disordered hydrogen bond and the HCOO- linkers of DMA manganese formate, with the help of XRD, IR and Raman spectroscopic studies up to ∼20 GPa. We observed that though a phase transition was initiated at ∼3.4 GPa, it was complete only by 6 GPa, indicating its first order nature. Beyond 7 GPa, this compound becomes highly disordered and shows an almost amorphous character, indicating a total collapse of the formate network. The reversibility of the initial structure of DMAMnF on the release of pressure from 20 GPa (i.e. from a highly disordered phase) shows the remarkable resilience of the formate cage. At the first crystal to crystal transition at 3.4 GPa, the distortion of the formate cage causes the ordering of the dynamically disordered hydrogen bond, resulting in a rearrangement of the DMA+ cation. Lifting of the mutual exclusivity of the Raman and IR modes (C-H out of plane and O-C-O bending modes) of HCOO- linkers, at this transition, indicates that the high pressure phase may be non-centro-symmetric.
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Affiliation(s)
- Abhishek V Chitnis
- High Pressure & Synchrotron Radiation Physics Division, Bhabha Atomic Research Centre, Mumbai, 400085, India.
| | - Himal Bhatt
- High Pressure & Synchrotron Radiation Physics Division, Bhabha Atomic Research Centre, Mumbai, 400085, India.
| | - Miroslaw Mączka
- Institute of low temperature and structure research, Polish Academy of Sciences, P.O. Box 1410, 50-950, Poland
| | - Mukul N Deo
- High Pressure & Synchrotron Radiation Physics Division, Bhabha Atomic Research Centre, Mumbai, 400085, India. and Homi Bhabha National Institute, Anushaktinagar, Mumbai, 400094, India
| | - Nandini Garg
- High Pressure & Synchrotron Radiation Physics Division, Bhabha Atomic Research Centre, Mumbai, 400085, India. and Homi Bhabha National Institute, Anushaktinagar, Mumbai, 400094, India
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10
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Zhong G, Liu D, Zhang J. Incorporation of Functional Groups Expands the Applications of UiO-67 for Adsorption, Catalysis and Thiols Detection. ChemistrySelect 2018. [DOI: 10.1002/slct.201800840] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Guihao Zhong
- Sun Yat-Sen University; MOE Key Laboratory of Polymeric Composite and Functional Materials; School of Materials Science and Engineering, Guangzhou, 510275, China
| | - Dingxin Liu
- Sun Yat-Sen University; MOE Key Laboratory of Polymeric Composite and Functional Materials; School of Materials Science and Engineering, Guangzhou, 510275, China
| | - Jianyong Zhang
- Sun Yat-Sen University; MOE Key Laboratory of Polymeric Composite and Functional Materials; School of Materials Science and Engineering, Guangzhou, 510275, China
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11
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Abstract
Empty spaces are abhorred by nature, which immediately rushes in to fill the void. Humans have learnt pretty well how to make ordered empty nanocontainers, and to get useful products out of them. When such an order is imparted to molecules, new properties may appear, often yielding advanced applications. This review illustrates how the organized void space inherently present in various materials: zeolites, clathrates, mesoporous silica/organosilica, and metal organic frameworks (MOF), for example, can be exploited to create confined, organized, and self-assembled supramolecular structures of low dimensionality. Features of the confining matrices relevant to organization are presented with special focus on molecular-level aspects. Selected examples of confined supramolecular assemblies - from small molecules to quantum dots or luminescent species - are aimed to show the complexity and potential of this approach. Natural confinement (minerals) and hyperconfinement (high pressure) provide further opportunities to understand and master the atomistic-level interactions governing supramolecular organization under nanospace restrictions.
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Affiliation(s)
- Gloria Tabacchi
- Department of Science and High Technology, University of Insubria, Via Valleggio, 9 I-22100, Como, Italy
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12
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Duarte Rodrigues A, Fahsi K, Dumail X, Masquelez N, van der Lee A, Mallet-Ladeira S, Sibille R, Filhol JS, Dutremez SG. Joint Experimental and Computational Investigation of the Flexibility of a Diacetylene-Based Mixed-Linker MOF: Revealing the Existence of Two Low-Temperature Phase Transitions and the Presence of Colossal Positive and Giant Negative Thermal Expansions. Chemistry 2018; 24:1586-1605. [PMID: 29115702 DOI: 10.1002/chem.201703711] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2017] [Indexed: 01/27/2023]
Abstract
Solvothermal reaction in N,N-dimethylformamide (DMF) between 1,6-bis(1-imidazolyl)-2,4-hexadiyne monohydrate (L1⋅H2 O), isophthalic acid (H2 L2), and Zn(NO3 )2 ⋅6 H2 O gives the diacetylene-based mixed-ligand coordination polymer {[Zn(L1)(L2)](DMF)2 }n (UMON-44) in 38 % yield. Combination of DSC with variable-temperature single-crystal X-ray diffraction revealed the occurrence of two phase transitions spanning the ranges 129-144 K and 158-188 K. Furthermore, the three structurally similar phases of UMON-44 show giant negative and/or colossal positive thermal expansions. These unusual phenomena exist without any change in the contents of the unit cell. DFT calculations using the PBE+D3 dispersion scheme were able to distinguish between these polymorphs by accurately reproducing their salient structural features, although corrections in the size of the unit cell turned out to be necessary for the high-temperature phase to account for its large thermal expansion. In addition, the infrared spectra (vibration frequencies and peak intensities) of these theoretical models were calculated, allowing for univocal identification of the corresponding polymorphs. Last, the limits of our computational method were tested by calculating the phase transition temperatures and their associated enthalpies, and the derived figures compare favorably with the values determined experimentally.
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Affiliation(s)
- Alysson Duarte Rodrigues
- Institut Charles Gerhardt, UMR 5253 CNRS-ENSCM-UM, Equipe CMOS, Université de Montpellier, Bât. 17, CC 1701, Place Eugène Bataillon, 34095, Montpellier Cedex 5, France
| | - Karim Fahsi
- Institut Charles Gerhardt, UMR 5253 CNRS-ENSCM-UM, Equipe CMOS, Université de Montpellier, Bât. 17, CC 1701, Place Eugène Bataillon, 34095, Montpellier Cedex 5, France
| | - Xavier Dumail
- Institut Charles Gerhardt, UMR 5253 CNRS-ENSCM-UM, Equipe CMOS, Université de Montpellier, Bât. 17, CC 1701, Place Eugène Bataillon, 34095, Montpellier Cedex 5, France
| | - Nathalie Masquelez
- Institut Européen des Membranes, UMR 5635 CNRS-ENSCM-UM, Université de Montpellier, Case Courrier 047, Place Eugène Bataillon, 34095, Montpellier Cedex 5, France
| | - Arie van der Lee
- Institut Européen des Membranes, UMR 5635 CNRS-ENSCM-UM, Université de Montpellier, Case Courrier 047, Place Eugène Bataillon, 34095, Montpellier Cedex 5, France
| | - Sonia Mallet-Ladeira
- Institut de Chimie de Toulouse (FR 2599), Université Paul Sabatier, 118 route de Narbonne, 31062, Toulouse Cedex 9, France
| | - Romain Sibille
- Laboratory for Neutron Scattering and Imaging, Paul Scherrer Institut, 5232, Villigen PSI, Switzerland
| | - Jean-Sébastien Filhol
- Institut Charles Gerhardt, UMR 5253 CNRS-ENSCM-UM, Equipe CTMM, Université de Montpellier, Bât. 15, CC 1501, Place Eugène Bataillon, 34095, Montpellier Cedex 5, France
| | - Sylvain G Dutremez
- Institut Charles Gerhardt, UMR 5253 CNRS-ENSCM-UM, Equipe CMOS, Université de Montpellier, Bât. 17, CC 1701, Place Eugène Bataillon, 34095, Montpellier Cedex 5, France
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13
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Navarro-Sánchez J, Mullor-Ruíz I, Popescu C, Santamaría-Pérez D, Segura A, Errandonea D, González-Platas J, Martí-Gastaldo C. Peptide metal–organic frameworks under pressure: flexible linkers for cooperative compression. Dalton Trans 2018; 47:10654-10659. [DOI: 10.1039/c8dt01765d] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The peptidic linker in Zn(GlyTyr)2 provides a compressible cushion that allows for accommodating large distortions in the framework whilst avoiding amorphization.
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Affiliation(s)
| | - Ismael Mullor-Ruíz
- Universidad de Valencia (ICMol)
- Paterna
- Spain
- Department of Bioengineering. Imperial College London
- London SW7 2 AZ
| | | | | | - Alfredo Segura
- Departamento de Física Aplicada-ICMUV
- Universidad de Valencia
- 46100 Burjassot
- Spain
| | - Daniel Errandonea
- Departamento de Física Aplicada-ICMUV
- Universidad de Valencia
- 46100 Burjassot
- Spain
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14
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Kapustin E, Lee S, Alshammari AS, Yaghi OM. Molecular Retrofitting Adapts a Metal-Organic Framework to Extreme Pressure. ACS CENTRAL SCIENCE 2017; 3:662-667. [PMID: 28691079 PMCID: PMC5492252 DOI: 10.1021/acscentsci.7b00169] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2017] [Indexed: 05/19/2023]
Abstract
Despite numerous studies on chemical and thermal stability of metal-organic frameworks (MOFs), mechanical stability remains largely undeveloped. To date, no strategy exists to control the mechanical deformation of MOFs under ultrahigh pressure. Here, we show that the mechanically unstable MOF-520 can be retrofitted by precise placement of a rigid 4,4'-biphenyldicarboxylate (BPDC) linker as a "girder" to afford a mechanically robust framework: MOF-520-BPDC. This retrofitting alters how the structure deforms under ultrahigh pressure and thus leads to a drastic enhancement of its mechanical robustness. While in the parent MOF-520 the pressure transmitting medium molecules diffuse into the pore and expand the structure from the inside upon compression, the girder in the new retrofitted MOF-520-BPDC prevents the framework from expansion by linking two adjacent secondary building units together. As a result, the modified MOF is stable under hydrostatic compression in a diamond-anvil cell up to 5.5 gigapascal. The increased mechanical stability of MOF-520-BPDC prohibits the typical amorphization observed for MOFs in this pressure range. Direct correlation between the orientation of these girders within the framework and its linear strain was estimated, providing new insights for the design of MOFs with optimized mechanical properties.
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Affiliation(s)
- Eugene
A. Kapustin
- Department
of Chemistry, University of California−Berkeley, Berkeley, California 94720, United States
- Materials
Sciences Division, Lawrence Berkeley National
Laboratory, Berkeley, California 94720, United States
- Kavli
Energy NanoSciences Institute at Berkeley, Berkeley, California 94720, United States
- Berkeley
Global Science Institute, Berkeley, California 94720, United States
| | - Seungkyu Lee
- Department
of Chemistry, University of California−Berkeley, Berkeley, California 94720, United States
- Materials
Sciences Division, Lawrence Berkeley National
Laboratory, Berkeley, California 94720, United States
- Kavli
Energy NanoSciences Institute at Berkeley, Berkeley, California 94720, United States
- Berkeley
Global Science Institute, Berkeley, California 94720, United States
| | | | - Omar M. Yaghi
- Department
of Chemistry, University of California−Berkeley, Berkeley, California 94720, United States
- Materials
Sciences Division, Lawrence Berkeley National
Laboratory, Berkeley, California 94720, United States
- Kavli
Energy NanoSciences Institute at Berkeley, Berkeley, California 94720, United States
- Berkeley
Global Science Institute, Berkeley, California 94720, United States
- King
Abdulaziz City for Science and Technology, Riyadh 11442, Saudi Arabia
- E-mail:
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15
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Li J, Ren Y, Qi C, Jiang H. Fullymeta-Substituted 4,4′-Biphenyldicarboxylate-Based Metal-Organic Frameworks: Synthesis, Structures, and Catalytic Activities. Eur J Inorg Chem 2017. [DOI: 10.1002/ejic.201601242] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Jiawei Li
- Key Laboratory of Functional Molecular Engineering of Guangdong Province; School of Chemistry and Chemical Engineering; South China University of Technology; 510640 Guangzhou P. R. China
| | - Yanwei Ren
- Key Laboratory of Functional Molecular Engineering of Guangdong Province; School of Chemistry and Chemical Engineering; South China University of Technology; 510640 Guangzhou P. R. China
| | - Chaorong Qi
- Key Laboratory of Functional Molecular Engineering of Guangdong Province; School of Chemistry and Chemical Engineering; South China University of Technology; 510640 Guangzhou P. R. China
| | - Huanfeng Jiang
- Key Laboratory of Functional Molecular Engineering of Guangdong Province; School of Chemistry and Chemical Engineering; South China University of Technology; 510640 Guangzhou P. R. China
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16
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Lu Z, Wu M, Wu S, Yang S, Li Y, Liu X, Zheng L, Cao Q, Ding Z. Modulating the optical properties of the AIE fluophor confined within UiO-66's nanochannels for chemical sensing. NANOSCALE 2016; 8:17489-17495. [PMID: 27714112 DOI: 10.1039/c6nr05600h] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Transformation of aggregation induced emission (AIE) molecules into functional materials can greatly tune their fluorescence properties and expand their related potential applications. Here, we demonstrate a facile strategy to modulate the fluorescence properties of AIE molecules by confining them within the nanochannels of metal-organic frameworks (MOFs). AIE molecules (4,4'-(hydrazine-1,2-diylidene bis(methanylylidene)) bis(3-hydroxybenzoic acid), HDBB) with pH-dependent emission were successfully integrated into UiO-66 resulting in a UiO-66⊃HDBB complex while maintaining the crystal structure by the host-guest process. The fluorescence properties of HDBB can be modulated by virtue of the unique nanospace confining effect. Furthermore, UiO-66⊃HDBB was used as a sensitive and selective fluorescent probe for Cu2+ detection in aqueous solution. This study provides a facile strategy for the construction of high performance AIE based luminescent materials with adjustable properties for potential applications.
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Affiliation(s)
- Zhixiang Lu
- Key Laboratory of Medicinal Chemistry for Natural Resource (Yunnan University), Ministry of Education, School of Chemical Science and Technology, Yunnan University, Kunming, Yunnan 650091, P. R. China.
| | - Mingjiang Wu
- Key Laboratory of Medicinal Chemistry for Natural Resource (Yunnan University), Ministry of Education, School of Chemical Science and Technology, Yunnan University, Kunming, Yunnan 650091, P. R. China.
| | - Shuang Wu
- College of Chemistry, Beijing Normal University, Beijing, 100875, P. R. China
| | - Shaoxiong Yang
- Key Laboratory of Medicinal Chemistry for Natural Resource (Yunnan University), Ministry of Education, School of Chemical Science and Technology, Yunnan University, Kunming, Yunnan 650091, P. R. China.
| | - Yuan Li
- Key Laboratory of Medicinal Chemistry for Natural Resource (Yunnan University), Ministry of Education, School of Chemical Science and Technology, Yunnan University, Kunming, Yunnan 650091, P. R. China.
| | - Xiaolan Liu
- Key Laboratory of Medicinal Chemistry for Natural Resource (Yunnan University), Ministry of Education, School of Chemical Science and Technology, Yunnan University, Kunming, Yunnan 650091, P. R. China.
| | - Liyan Zheng
- Key Laboratory of Medicinal Chemistry for Natural Resource (Yunnan University), Ministry of Education, School of Chemical Science and Technology, Yunnan University, Kunming, Yunnan 650091, P. R. China.
| | - Qiue Cao
- Key Laboratory of Medicinal Chemistry for Natural Resource (Yunnan University), Ministry of Education, School of Chemical Science and Technology, Yunnan University, Kunming, Yunnan 650091, P. R. China.
| | - Zhongtao Ding
- Key Laboratory of Medicinal Chemistry for Natural Resource (Yunnan University), Ministry of Education, School of Chemical Science and Technology, Yunnan University, Kunming, Yunnan 650091, P. R. China.
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Gutov OV, Molina S, Escudero-Adán EC, Shafir A. Modulation by Amino Acids: Toward Superior Control in the Synthesis of Zirconium Metal-Organic Frameworks. Chemistry 2016; 22:13582-7. [DOI: 10.1002/chem.201600898] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2016] [Indexed: 11/11/2022]
Affiliation(s)
- Oleksii V. Gutov
- Institute of Chemical Research of Catalonia (ICIQ); Barcelona Institute of Science and Technology; Avda. Països Catalans 16 43007 Tarragona Spain
| | - Sonia Molina
- Institute of Chemical Research of Catalonia (ICIQ); Barcelona Institute of Science and Technology; Avda. Països Catalans 16 43007 Tarragona Spain
| | - Eduardo C. Escudero-Adán
- Institute of Chemical Research of Catalonia (ICIQ); Barcelona Institute of Science and Technology; Avda. Països Catalans 16 43007 Tarragona Spain
| | - Alexandr Shafir
- Institute of Chemical Research of Catalonia (ICIQ); Barcelona Institute of Science and Technology; Avda. Països Catalans 16 43007 Tarragona Spain
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Marshall RJ, Griffin SL, Wilson C, Forgan RS. Stereoselective Halogenation of Integral Unsaturated C-C Bonds in Chemically and Mechanically Robust Zr and Hf MOFs. Chemistry 2016; 22:4870-7. [PMID: 26916707 PMCID: PMC5067641 DOI: 10.1002/chem.201505185] [Citation(s) in RCA: 59] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2015] [Indexed: 12/26/2022]
Abstract
Metal-organic frameworks (MOFs) containing Zr(IV) -based secondary building units (SBUs), as in the UiO-66 series, are receiving widespread research interest due to their enhanced chemical and mechanical stabilities. We report the synthesis and extensive characterisation, as both bulk microcrystalline and single crystal forms, of extended UiO-66 (Zr and Hf) series MOFs containing integral unsaturated alkene, alkyne and butadiyne units, which serve as reactive sites for postsynthetic modification (PSM) by halogenation. The water stability of a Zr-stilbene MOF allows the dual insertion of both -OH and -Br groups in a single, aqueous bromohydrination step. Quantitative bromination of alkyne- and butadiyne-containing MOFs is demonstrated to be stereoselective, as a consequence of the linker geometry when bound in the MOFs, while the inherent change in hybridisation and geometry of integral linker atoms is facilitated by the high mechanical stabilities of the MOFs, allowing bromination to be characterised in a single-crystal to single-crystal (SCSC) manner. The facile addition of bromine across the unsaturated C-C bonds in the MOFs in solution is extended to irreversible iodine sequestration in the vapour phase. A large-pore interpenetrated Zr MOF demonstrates an I2 storage capacity of 279 % w/w, through a combination of chemisorption and physisorption, which is comparable to the highest reported capacities of benchmark iodine storage materials for radioactive I2 sequestration. We expect this facile PSM process to not only allow trapping of toxic vapours, but also modulate the mechanical properties of the MOFs.
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Affiliation(s)
- Ross J Marshall
- WestCHEM, School of Chemistry, The University of Glasgow, University Avenue, Glasgow, G12 8QQ, UK
| | - Sarah L Griffin
- WestCHEM, School of Chemistry, The University of Glasgow, University Avenue, Glasgow, G12 8QQ, UK
| | - Claire Wilson
- WestCHEM, School of Chemistry, The University of Glasgow, University Avenue, Glasgow, G12 8QQ, UK
| | - Ross S Forgan
- WestCHEM, School of Chemistry, The University of Glasgow, University Avenue, Glasgow, G12 8QQ, UK.
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