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Zhang J, Chen Y, Zhang YM, Gong J. Symmetry-Breaking and Symmetry-Retaining Morphological Evolution of the Single Crystals of Cyclodextrin Metal-Organic Frameworks. Chemistry 2024; 30:e202402068. [PMID: 39136668 DOI: 10.1002/chem.202402068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2024] [Indexed: 09/03/2024]
Abstract
The morphological symmetry-retaining and symmetry-breaking of single crystals of the γ-cyclodextrin metal-organic framework have been achieved via introducing lower symmetric β-cyclodextrins and α-cyclodextrins, respectively. β-cyclodextrins led to a morphological evolution with retained symmetry from cubic to rhombic dodecahedra, while α-cyclodextrins resulted in the original cubic crystal missing a vertex angle presenting symmetry-breaking behavior. The crystal structures of rhombic dodecahedra and angle-deficient crystals were confirmed through X-ray crystallography, and the mechanisms underlying the morphological transformation evolution were further analyzed. Our work not only provides a rare case realizing two different paths of morphological evolution in one system, but also encourages future efforts towards the evolution of artificial crystal systems in a natural way.
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Affiliation(s)
- Jiayin Zhang
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Haihe Laboratory of Sustainable Chemical Transformations, Tianjin University, Weijin Road 92, Tianjin, 300072, China
- Collaborative Innovation Center of Chemical Science and Engineering, Weijin Road 92, Tianjin, 300072, China
| | - Yifu Chen
- Beijing National Laboratory for Molecular Science, Key Laboratory of Polymer Chemistry and Physics of Ministry of Education, College of Chemistry and Molecular Engineering, Peking University, Yiheyuan Road 5, Beijing, 100871, China
| | - Ying-Ming Zhang
- College of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Weijing Road 94, Tianjin, 300071, China
- Collaborative Innovation Center of Chemical Science and Engineering, Weijin Road 92, Tianjin, 300072, China
| | - Junbo Gong
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Haihe Laboratory of Sustainable Chemical Transformations, Tianjin University, Weijin Road 92, Tianjin, 300072, China
- Collaborative Innovation Center of Chemical Science and Engineering, Weijin Road 92, Tianjin, 300072, China
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2
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Vasile Scaeteanu G, Maxim C, Badea M, Olar R. An Overview of Various Applications of Cadmium Carboxylate Coordination Polymers. Molecules 2024; 29:3874. [PMID: 39202953 PMCID: PMC11357313 DOI: 10.3390/molecules29163874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2024] [Revised: 08/07/2024] [Accepted: 08/14/2024] [Indexed: 09/03/2024] Open
Abstract
This review highlights the most recent applications of Cd(II)-carboxylate-based coordination polymers (Cd(II)-CBCPs), such as sensors, catalysts, and storage materials, in comparison with those of Zn(II) counterparts. A wide range of species with luminescence properties were designed by using proper organic fluorophores, especially a carboxylate bridging ligand combined with an ancillary N-donor species, both with a rigid structure. These characteristics, combined with the arrangement in Cd(II)-CBCPs' structure and the intermolecular interaction, enable the sensing behavior of a plethora of various inorganic and organic pollutants. In addition, the Lewis acid behavior of Cd(II) was investigated either in developing valuable heterogeneous catalysts in acetalization, cyanosilylation, Henry or Strecker reactions, Knoevenagel condensation, or dyes or drug elimination from wastewater through photocatalysis. Furthermore, the pores structure of such derivatives induced the ability of some species to store gases or toxic dyes. Applications such as in herbicides, antibacterials, and electronic devices are also described together with their ability to generate nano-CdO species.
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Affiliation(s)
- Gina Vasile Scaeteanu
- Department of Soil Sciences, Faculty of Agriculture, University of Agronomic Sciences and Veterinary Medicine, 59 Mărăști Str., 011464 Bucharest, Romania;
| | - Catalin Maxim
- Department of Inorganic, Organic Chemistry, Biochemistry and Catalysis, Faculty of Chemistry, University of Bucharest, 90–92 Panduri Str., S5, 050663 Bucharest, Romania; (C.M.); (M.B.)
| | - Mihaela Badea
- Department of Inorganic, Organic Chemistry, Biochemistry and Catalysis, Faculty of Chemistry, University of Bucharest, 90–92 Panduri Str., S5, 050663 Bucharest, Romania; (C.M.); (M.B.)
| | - Rodica Olar
- Department of Inorganic, Organic Chemistry, Biochemistry and Catalysis, Faculty of Chemistry, University of Bucharest, 90–92 Panduri Str., S5, 050663 Bucharest, Romania; (C.M.); (M.B.)
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3
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Patra R, Sarma D. Silver Nanoparticle-Functionalized Postsynthetically Modified Thiol MOF UiO-66-NH-SH for Efficient CO 2 Fixation. ACS APPLIED MATERIALS & INTERFACES 2024; 16:10196-10210. [PMID: 38359330 DOI: 10.1021/acsami.3c18549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/17/2024]
Abstract
Thiols are essential functional groups imparting unique properties, such as reactivity and selectivity, to many vital enzymes and biomolecules. The integration of electronically soft thiol groups within metal-organic frameworks (MOFs) yields elevated reactivity and a pronounced affinity for soft metal ions. However, the scarcity of thiol-based ligands and synthetic challenges hinder the advancement of thiol-based MOFs. To bypass the difficulties of synthesizing thiol MOFs by a direct reaction between thiol-based ligands and corresponding metal salts, postsynthetic modification (PSM) of MOFs is an efficient strategy to introduce thiol functionality. Herein, we have introduced Ag nanoparticles in postsynthetically modified thiol MOFs UiO-66-NH-SH (1) (synthesized by reaction between UiO-66-NH2 and thioglycolic acid) and UiO-66-NH-SH (2) (synthesized by reaction between UiO-66-NH2 and 3-mercaptopropionic acid) to synthesize a series of heterogeneous catalysts for CO2 fixation. Catalysts Cat 1-2 and Cat 3 - 4 were synthesized from UiO-66-NH-SH (1) and UiO-66-NH-SH (2), respectively, by using varying concentrations of silver (AgNO3). Catalyst Ag@UiO-66-NH-SH (1) (Ag = 3.45%; namely Cat 2) shows the highest efficiency for the catalytic conversion of propargylic alcohol and terminal epoxide to the corresponding cyclic carbonates. Finally, a rationalized reaction mechanism is proposed by correlating our results with the current literature. This work presents a viable strategy to utilize the thiol functionality of MOFs (avoiding the complexities associated with synthesizing thiol MOFs directly from thiol ligands) as a platform for introducing catalytically active metal centers and applying them as a heterogeneous catalyst for CO2 fixation reactions.
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Affiliation(s)
- Rajesh Patra
- Department of Chemistry, Indian Institute of Technology Patna, Patna 801106, Bihar, India
| | - Debajit Sarma
- Department of Chemistry, Indian Institute of Technology Patna, Patna 801106, Bihar, India
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Svensson Grape E, Davenport AM, Brozek CK. Dynamic metal-linker bonds in metal-organic frameworks. Dalton Trans 2024; 53:1935-1941. [PMID: 38226850 DOI: 10.1039/d3dt04164f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2024]
Abstract
Metal-linker bonds serve as the "glue" that binds metal ions to multitopic organic ligands in the porous materials known as metal-organic frameworks (MOFs). Despite ample evidence of bond lability in molecular and polymeric coordination compounds, the metal-linker bonds of MOFs were long assumed to be rigid and static. Given the importance of ligand fields in determining the behaviour of metal species, labile bonding in MOFs would help explain outstanding questions about MOF behaviour, while providing a design tool for controlling dynamic and stimuli-responsive optoelectronic, magnetic, catalytic, and mechanical phenomena. Here, we present emerging evidence that MOF metal-linker bonds exist in dynamic equilibria between weakly and tightly bond conformations, and that these equilibria respond to guest-host chemistry, drive phase change behavior, and exhibit size-dependence in MOF nanoparticles.
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Affiliation(s)
- Erik Svensson Grape
- Department of Chemistry and Biochemistry, Material Science Institute, University of Oregon, Eugene, OR 97403, USA.
- Department of Chemistry - Ångström Laboratory, Uppsala University, 75120 Uppsala, Sweden
| | - Audrey M Davenport
- Department of Chemistry and Biochemistry, Material Science Institute, University of Oregon, Eugene, OR 97403, USA.
| | - Carl K Brozek
- Department of Chemistry and Biochemistry, Material Science Institute, University of Oregon, Eugene, OR 97403, USA.
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Fu SY, Chang CH, Ivanov AS, Popovs I, Chen JL, Liao YF, Liu HK, Chirra S, Chiang YW, Lee JC, Liu WL, Kaveevivitchai W, Chen TH. Mixed-Valence Cu I /Cu III Metal-Organic Frameworks with Non-innocent Ligand for Multielectron Transfer. Angew Chem Int Ed Engl 2023; 62:e202312494. [PMID: 37703211 DOI: 10.1002/anie.202312494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 09/09/2023] [Accepted: 09/12/2023] [Indexed: 09/15/2023]
Abstract
We report two novel three-dimensional copper-benzoquinoid metal-organic frameworks (MOFs), [Cu4 L3 ]n and [Cu4 L3 ⋅ Cu(iq)3 ]n (LH4 =1,4-dicyano-2,3,5,6-tetrahydroxybenzene, iq=isoquinoline). Spectroscopic techniques and computational studies reveal the unprecedented mixed valency in MOFs, formal Cu(I)/Cu(III). This is the first time that formally Cu(III) species are witnessed in metal-organic extended solids. The coordination between the mixed-valence metal and redox-non-innocent ligand L, which promotes through-bond charge transfer between Cu metal sites, allows better metal-ligand orbital overlap of the d-π conjugation, leading to strong long-range delocalization and semiconducting behavior. Our findings highlight the significance of the unique mixed valency between formal Cu(I) and highly-covalent Cu(III), non-innocent ligand, and pore environments of these bench stable Cu(III)-containing frameworks on multielectron transfer and electrochemical properties.
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Affiliation(s)
- Shang-Yuan Fu
- Department of Chemical Engineering, Hierarchical Green-Energy Materials (Hi-GEM) Research Center, National Cheng Kung University, Tainan City, 70101, Taiwan
| | - Cheng-Han Chang
- Department of Chemistry, Tamkang University, New Taipei City, 25137, Taiwan
| | - Alexander S Ivanov
- Chemical Sciences Division, Oak Ridge National Laboratory, P.O. Box 2008, Oak Ridge, TN 37831, USA
| | - Ilja Popovs
- Chemical Sciences Division, Oak Ridge National Laboratory, P.O. Box 2008, Oak Ridge, TN 37831, USA
| | - Jeng-Lung Chen
- National Synchrotron Radiation Research Center, Hsinchu, 30076, Taiwan
| | - Yen-Fa Liao
- National Synchrotron Radiation Research Center, Hsinchu, 30076, Taiwan
| | - Hsin-Kuan Liu
- Core Facility Center, National Cheng Kung University, Tainan City, 70101, Taiwan
| | - Suman Chirra
- Department of Chemical Engineering, Hierarchical Green-Energy Materials (Hi-GEM) Research Center, National Cheng Kung University, Tainan City, 70101, Taiwan
| | - Yun-Wei Chiang
- Department of Chemistry, National Tsing Hua University, Hsinchu, 300-044, Taiwan
| | - Jui-Chin Lee
- Core Facility Center, National Cheng Kung University, Tainan City, 70101, Taiwan
| | - Wei-Ling Liu
- Department of Chemistry, Tamkang University, New Taipei City, 25137, Taiwan
| | - Watchareeya Kaveevivitchai
- Department of Chemical Engineering, Hierarchical Green-Energy Materials (Hi-GEM) Research Center, National Cheng Kung University, Tainan City, 70101, Taiwan
| | - Teng-Hao Chen
- School of Pharmacy, College of Medicine, National Cheng Kung University, Tainan City, 70101, Taiwan
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Fusco E, Ashbrook SE, Bühl M. 13C pNMR shifts of MOFs based on Cu(II)-paddlewheel dimers - DFT predictions for spin-1/2 defects. Phys Chem Chem Phys 2023; 25:31898-31906. [PMID: 37971425 DOI: 10.1039/d3cp04618d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2023]
Abstract
We present DFT predictions (CAM-B3LYP/II level) for the paramagnetic Nuclear Magnetic Resonance (pNMR) spectra of small molecular models based on the Cu(II)-paddlewheel dimer motif that is present in metal-organic frameworks (MOFs, notably the HKUST and STAM families). We explore potential point defects with spin-1/2 discovered through electron paramagnetic resonance (EPR) experiments. We consider defects through substitution of one Cu(II) centre in the dimer with protons, or through one-electron reduction, affording a mixed-valence dimer. While most of the defects have predicted pNMR shifts at room temperature in the range of those for the non-defective MOFs, their detection and assignment should be possible based on their distinct temperature dependence.
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Affiliation(s)
- Edoardo Fusco
- EaStCHEM School of Chemistry and Centre of Magnetic Resonance, University of St Andrews, Fife KY16 9ST, UK.
| | - Sharon E Ashbrook
- EaStCHEM School of Chemistry and Centre of Magnetic Resonance, University of St Andrews, Fife KY16 9ST, UK.
| | - Michael Bühl
- EaStCHEM School of Chemistry and Centre of Magnetic Resonance, University of St Andrews, Fife KY16 9ST, UK.
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Jia JG, Zhao CC, Wei YF, Zhai ZM, Bao SS, Jacobson AJ, Ma J, Zheng LM. Macroscopic Helical Assembly of One-Dimensional Coordination Polymers: Helicity Inversion Triggered by Solvent Isomerism. J Am Chem Soc 2023; 145:23948-23962. [PMID: 37886816 DOI: 10.1021/jacs.3c05552] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2023]
Abstract
Assembling macroscopic helices with controllable chirality and understanding their formation mechanism are highly desirable but challenging tasks for artificial systems, especially coordination polymers. Here, we utilize solvents as an effective tool to induce the formation of macroscopic helices of chiral coordination polymers (CPs) and manipulate their helical sense. We chose the Ni/R-,S-BrpempH2 system with a one-dimensional tubular structure, where R-,S-BrpempH2 stands for R-,S-(1-(4-bromophenyl)ethylaminomethylphosphonic acid). The morphology of the self-assemblies can be controlled by varying the cosolvent in water, resulting in the formation of twisted ribbons of R-,S-Ni(Brpemp)(H2O)·H2O (R-,S-2T) in pure H2O; needle-like crystals of R-,S-Ni(Brpemp)(H2O)2·1/3CH3CN (R-,S-1C) in 20 vol % CH3CN/H2O; nanofibers of R-,S-Ni(Brpemp)(H2O)·H2O (R-,S-3F) in 20-40 vol % methanol/H2O or ethanol/H2O; and superhelices of R-,S-Ni(Brpemp)(H2O)·H2O (R-,S-4H or 5H) in 40 vol % propanol/H2O. Interestingly, the helicity of the superhelix can be controlled by using a propanol isomer in water. For the Ni/R-BrpempH2 system, a left-handed superhelix of R-4H(M) was obtained in 40 vol % NPA/H2O, while a right-handed superhelix of R-5H(P) was isolated in 40 vol % IPA/H2O. These results were rationalized by theoretical calculations. Adsorption studies revealed the chiral recognition behavior of these compounds. This work may contribute to the development of chiral CPs with a macroscopic helical morphology and interesting functionalities.
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Affiliation(s)
- Jia-Ge Jia
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210023, P. R. China
- Magnetism Key Laboratory of Zhejiang Province, College of Materials and Chemistry, China Jiliang University, Hangzhou 310018, P. R. China
| | - Chen-Chen Zhao
- Theoretical and Computational Chemistry Institute, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China
| | - Yi-Fan Wei
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210023, P. R. China
| | - Zhi-Min Zhai
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210023, P. R. China
| | - Song-Song Bao
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210023, P. R. China
| | - Allan J Jacobson
- Department of Chemistry and Texas Center for Superconductivity, University of Houston, Houston, Texas 77204, United States
| | - Jing Ma
- Theoretical and Computational Chemistry Institute, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China
| | - Li-Min Zheng
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210023, P. R. China
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8
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Raymond KN, Girolami GS. Pathological crystal structures. Acta Crystallogr C Struct Chem 2023; 79:445-455. [PMID: 37610288 PMCID: PMC10625717 DOI: 10.1107/s2053229623007088] [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: 07/03/2023] [Accepted: 08/11/2023] [Indexed: 08/24/2023] Open
Abstract
Recent decades have seen enormous changes in the technology of crystal structure analysis, but the interpretation of these data still depends on human judgment, and errors are far from uncommon. Although analysing the crystallographic results with available software tools can catch many types of errors, others can be detected only by combining knowledge of both crystallography and chemistry. We discuss several such examples from the published literature, and for each of them we identify what lessons they teach us. The examples are categorized by the type of error: correct crystallography but incorrect chemistry, mis-assignment of atoms, high-symmetry superstructures with included guest molecules, incorrect choice of space group, incorrect choice of unit-cell size, and unresolved problems. These examples are intended to counteract the aura of infallibility that crystal structures sometimes assume and to alert the reader to features to look for in detecting pathological structures.
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Affiliation(s)
- Kenneth N Raymond
- Department of Chemistry, University of California, Berkeley, California 94720, USA
| | - Gregory S Girolami
- School of Chemical Sciences, University of Illinois at Urbana Champaign, Urbana, Illinois 61801, USA
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9
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Tao Z, Cui J, Tan Y, Zhou Z, Chen Z, Wang A, Zhu Y, Lai S, Yu M, Yang Y. Suppression of Vanadium Oxide Dissolution via Cation Metathesis within a Coordination Supramolecular Network for Durable Aqueous Zn-V 2 O 5 Batteries. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2301620. [PMID: 37093212 DOI: 10.1002/smll.202301620] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Revised: 04/03/2023] [Indexed: 05/03/2023]
Abstract
Aqueous zinc metal batteries (ZMBs) are a promising sustainable technology for large-scale energy storage applications. However, the water is often associated with problematic parasitic reactions on both anode and cathode, leading to the low durability and reliability of ZMBs. Here, a multifunctional separator for the Zn-V2 O5 batteries by growing the coordination supramolecular network (CSN:Zn-MBA, MBA = 2-mercaptobenzoic acid) on the conventional non-woven fabrics (NWF) is developed. CSN tends to form a stronger coordination bond as a softer cation, enabling a thermodynamically preferred Zn2+ to VO2 + substitution in the network, leading to the formation of VO2 -MBA interface, that strongly obstructs the VO2 (OH)2 - penetration but simultaneously allows Zn2+ transfer. Moreover, Zn-MBA molecules can adsorb the OTF- and distribute the interfacial Zn2+ homogeneous, which facilitate a dendrite-free Zn deposition. The Zn-V2 O5 cells with Zn-MBA@NWF separator realize high capacity of 567 mAh g-1 at 0.2 A g-1 , and excellent cyclability over 2000 cycles with capacity retention of 82.2% at 5 A g-1 . This work combines the original advantages of the template and new function of metals via cation metathesis within a CSN, provides a new strategy for inhibiting vanadium oxide dissolution.
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Affiliation(s)
- Zengren Tao
- School of Materials Science and Engineering, Sun Yat-sen University, Guangzhou, 510275, P. R. China
| | - Jiawei Cui
- School of Materials Science and Engineering, Sun Yat-sen University, Guangzhou, 510275, P. R. China
| | - Yuanming Tan
- School of Materials Science and Engineering, Sun Yat-sen University, Guangzhou, 510275, P. R. China
| | - Zekun Zhou
- School of Materials Science and Engineering, Sun Yat-sen University, Guangzhou, 510275, P. R. China
| | - Zhao Chen
- School of Materials Science and Engineering, Sun Yat-sen University, Guangzhou, 510275, P. R. China
| | - Anding Wang
- School of Materials Science and Engineering, Sun Yat-sen University, Guangzhou, 510275, P. R. China
| | - Yuanfei Zhu
- School of Materials Science and Engineering, Sun Yat-sen University, Guangzhou, 510275, P. R. China
| | - Shimei Lai
- School of Materials Science and Engineering, Sun Yat-sen University, Guangzhou, 510275, P. R. China
| | - Minghao Yu
- Faculty of Chemistry and Food Chemistry & Center for Advancing Electronics Dresden (cfaed), Technische Universität Dresden, 01062, Dresden, Germany
| | - Yangyi Yang
- School of Materials Science and Engineering, Sun Yat-sen University, Guangzhou, 510275, P. R. China
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10
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He X. Fundamental Perspectives on the Electrochemical Water Applications of Metal-Organic Frameworks. NANO-MICRO LETTERS 2023; 15:148. [PMID: 37286907 PMCID: PMC10247659 DOI: 10.1007/s40820-023-01124-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Accepted: 05/10/2023] [Indexed: 06/09/2023]
Abstract
HIGHLIGHTS The recent development and implementation of metal-organic frameworks (MOFs) and MOF-based materials in electrochemical water applications are reviewed. The critical factors that affect the performances of MOFs in the electrochemical reactions, sensing, and separations are highlighted. Advanced tools, such as pair distribution function analysis, are playing critical roles in unraveling the functioning mechanisms, including local structures and nanoconfined interactions. Metal-organic frameworks (MOFs), a family of highly porous materials possessing huge surface areas and feasible chemical tunability, are emerging as critical functional materials to solve the growing challenges associated with energy-water systems, such as water scarcity issues. In this contribution, the roles of MOFs are highlighted in electrochemical-based water applications (i.e., reactions, sensing, and separations), where MOF-based functional materials exhibit outstanding performances in detecting/removing pollutants, recovering resources, and harvesting energies from different water sources. Compared with the pristine MOFs, the efficiency and/or selectivity can be further enhanced via rational structural modulation of MOFs (e.g., partial metal substitution) or integration of MOFs with other functional materials (e.g., metal clusters and reduced graphene oxide). Several key factors/properties that affect the performances of MOF-based materials are also reviewed, including electronic structures, nanoconfined effects, stability, conductivity, and atomic structures. The advancement in the fundamental understanding of these key factors is expected to shed light on the functioning mechanisms of MOFs (e.g., charge transfer pathways and guest-host interactions), which will subsequently accelerate the integration of precisely designed MOFs into electrochemical architectures to achieve highly effective water remediation with optimized selectivity and long-term stability.
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Affiliation(s)
- Xiang He
- Department of Mechanical and Civil Engineering, Florida Institute of Technology, Melbourne, FL, 32901, USA.
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11
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Rayder TM, Formalik F, Vornholt SM, Frank H, Lee S, Alzayer M, Chen Z, Sengupta D, Islamoglu T, Paesani F, Chapman KW, Snurr RQ, Farha OK. Unveiling Unexpected Modulator-CO 2 Dynamics within a Zirconium Metal-Organic Framework. J Am Chem Soc 2023; 145:11195-11205. [PMID: 37186787 DOI: 10.1021/jacs.3c01146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
Carbon capture, storage, and utilization (CCSU) represents an opportunity to mitigate carbon emissions that drive global anthropogenic climate change. Promising materials for CCSU through gas adsorption have been developed by leveraging the porosity, stability, and tunability of extended crystalline coordination polymers called metal-organic frameworks (MOFs). While the development of these frameworks has yielded highly effective CO2 sorbents, an in-depth understanding of the properties of MOF pores that lead to the most efficient uptake during sorption would benefit the rational design of more efficient CCSU materials. Though previous investigations of gas-pore interactions often assumed that the internal pore environment was static, discovery of more dynamic behavior represents an opportunity for precise sorbent engineering. Herein, we report a multifaceted in situ analysis following the adsorption of CO2 in MOF-808 variants with different capping agents (formate, acetate, and trifluoroacetate: FA, AA, and TFA, respectively). In situ diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS) analysis paired with multivariate analysis tools and in situ powder X-ray diffraction revealed unexpected CO2 interactions at the node associated with dynamic behavior of node-capping modulators in the pores of MOF-808, which had previously been assumed to be static. MOF-808-TFA displays two binding modes, resulting in higher binding affinity for CO2. Computational analyses further support these dynamic observations. The beneficial role of these structural dynamics could play an essential role in building a deeper understanding of CO2 binding in MOFs.
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Affiliation(s)
- Thomas M Rayder
- Department of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
| | - Filip Formalik
- Department of Chemical & Biological Engineering, Northwestern University, Evanston, Illinois 60208, United States
- Department of Micro, Nano, and Bioprocess Engineering, Faculty of Chemistry, Wroclaw University of Science and Technology, 50-370 Wroclaw, Poland
| | - Simon M Vornholt
- Department of Chemistry, Stony Brook University, Stony Brook, New York 11794, United States
| | - Hilliary Frank
- Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, California 92037, United States
| | - Seryeong Lee
- Department of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
| | - Maytham Alzayer
- Department of Chemical & Biological Engineering, Northwestern University, Evanston, Illinois 60208, United States
| | - Zhihengyu Chen
- Department of Chemistry, Stony Brook University, Stony Brook, New York 11794, United States
| | - Debabrata Sengupta
- Department of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
| | - Timur Islamoglu
- Department of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
| | - Francesco Paesani
- Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, California 92037, United States
| | - Karena W Chapman
- Department of Chemistry, Stony Brook University, Stony Brook, New York 11794, United States
| | - Randall Q Snurr
- Department of Chemical & Biological Engineering, Northwestern University, Evanston, Illinois 60208, United States
| | - Omar K Farha
- Department of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
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12
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Mizutani N, Hosono N, Uemura T. Topological entrapment of macromolecules during the formation of metal-organic framework. Chem Commun (Camb) 2023; 59:1293-1296. [PMID: 36649107 DOI: 10.1039/d2cc06330a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Here we present our preliminary results on a novel approach to encapsulate large guest molecules in nanoporous materials, metal-organic frameworks (MOFs), via a newly discovered in situ crystal formation. This method has exciting prospects not only in the design of new organic/inorganic hybrids but also in capturing and separating molecules that are significantly larger than the actual pore size of the host MOF.
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Affiliation(s)
- Nagi Mizutani
- Department of Advanced Materials Science, Graduate School of Frontier Sciences, The University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa, Chiba 277-8561, Japan
| | - Nobuhiko Hosono
- Department of Applied Chemistry, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan.
| | - Takashi Uemura
- Department of Applied Chemistry, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan.
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13
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Fabrizio K, Andreeva AB, Kadota K, Morris AJ, Brozek CK. Guest-dependent bond flexibility in UiO-66, a "stable" MOF. Chem Commun (Camb) 2023; 59:1309-1312. [PMID: 36636868 DOI: 10.1039/d2cc05895b] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
We report "flexibility constants"-a conceptual analog to metal-ligand stability constants-of UiO-66, the prototypical "stable" MOF, across a wide temperature range in both vacuum and in the presence of typical guest solvents. With these data, we extract key thermodynamic parameters governing the reversible bond equilibrium and demonstrate that guest molecules strongly favor the reversible dissociation of MOF metal-linker bonds.
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Affiliation(s)
- Kevin Fabrizio
- Department of Chemistry and Biochemistry, Material Science Institute, University of Oregon, Eugene, OR 97403, USA.
| | - Anastasia B Andreeva
- Department of Chemistry and Biochemistry, Material Science Institute, University of Oregon, Eugene, OR 97403, USA.
| | - Kentaro Kadota
- Department of Chemistry and Biochemistry, Material Science Institute, University of Oregon, Eugene, OR 97403, USA.
| | - Amanda J Morris
- Department of Chemistry, Virginia Tech, Blacksburg, VA 24060, USA
| | - Carl K Brozek
- Department of Chemistry and Biochemistry, Material Science Institute, University of Oregon, Eugene, OR 97403, USA.
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14
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Chen Z, Stroscio GD, Liu J, Lu Z, Hupp JT, Gagliardi L, Chapman KW. Node Distortion as a Tunable Mechanism for Negative Thermal Expansion in Metal-Organic Frameworks. J Am Chem Soc 2023; 145:268-276. [PMID: 36538759 DOI: 10.1021/jacs.2c09877] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Chemically functionalized series of metal-organic frameworks (MOFs), with subtle differences in local structure but divergent properties, provide a valuable opportunity to explore how local chemistry can be coupled to long-range structure and functionality. Using in situ synchrotron X-ray total scattering, with powder diffraction and pair distribution function (PDF) analysis, we investigate the temperature dependence of the local- and long-range structure of MOFs based on NU-1000, in which Zr6O8 nodes are coordinated by different capping ligands (H2O/OH, Cl- ions, formate, acetylacetonate, and hexafluoroacetylacetonate). We show that the local distortion of the Zr6 nodes depends on the lability of the ligand and contributes to a negative thermal expansion (NTE) of the extended framework. Using multivariate data analyses, involving non-negative matrix factorization (NMF), we demonstrate a new mechanism for NTE: progressive increase in the population of a smaller, distorted node state with increasing temperature leads to global contraction of the framework. The transformation between discrete node states is noncooperative and not ordered within the lattice, i.e., a solid solution of regular and distorted nodes. Density functional theory calculations show that removal of ligands from the node can lead to distortions consistent with the Zr···Zr distances observed in the experiment PDF data. Control of the node distortion imparted by the nonlinker ligand in turn controls the NTE behavior. These results reveal a mechanism to control the dynamic structure of MOFs based on local chemistry.
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Affiliation(s)
- Zhihengyu Chen
- Department of Chemistry, Stony Brook University, Stony Brook, New York 11794, United States
| | - Gautam D Stroscio
- Department of Chemistry, Pritzker School of Molecular Engineering, James Franck Institute, University of Chicago, Chicago, Illinois 60637, United States
| | - Jian Liu
- Department of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
| | - Zhiyong Lu
- Department of Chemistry, Northwestern University, Evanston, Illinois 60208, United States.,College of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 210009, China
| | - Joseph T Hupp
- Department of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
| | - Laura Gagliardi
- Department of Chemistry, Pritzker School of Molecular Engineering, James Franck Institute, University of Chicago, Chicago, Illinois 60637, United States
| | - Karena W Chapman
- Department of Chemistry, Stony Brook University, Stony Brook, New York 11794, United States
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15
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Allendorf MD, Stavila V, Snider JL, Witman M, Bowden ME, Brooks K, Tran BL, Autrey T. Challenges to developing materials for the transport and storage of hydrogen. Nat Chem 2022; 14:1214-1223. [DOI: 10.1038/s41557-022-01056-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Accepted: 09/02/2022] [Indexed: 11/09/2022]
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16
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Feng S, Tang Q, Xu Z, Huang K, Li H, Zou Z. Development of novel Co-MOF loaded sodium alginate based packaging films with antimicrobial and ammonia-sensitive functions for shrimp freshness monitoring. Food Hydrocoll 2022. [DOI: 10.1016/j.foodhyd.2022.108193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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17
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Sheng W, Huang F, Dong X, Lang X. Solvent-controlled synthesis of Ti-based porphyrinic metal–organic frameworks for the selective photocatalytic oxidation of amines. J Colloid Interface Sci 2022; 628:784-793. [PMID: 35963166 DOI: 10.1016/j.jcis.2022.07.185] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 07/27/2022] [Accepted: 07/29/2022] [Indexed: 10/16/2022]
Abstract
The photocatalytic activity of metal-organic frameworks (MOFs) can be managed by the milieu of synthesis. Herein, N,N'-dimethylacetamide (DMA) and N,N'-diethylformamide (DEF) were employed as solvents for the synthesis of two Ti-based porphyrinic MOFs, namely Ti-PMOF-DMA and Ti-PMOF-DEF, from tetrabutyl orthotitanate and 4,4',4'',4'''-(porphine-5,10,15,20-tetrayl)tetrakis(benzoic acid). Notably, both DMA and DEF were adsorbed onto the Ti-oxo clusters of the two MOFs to shape their properties. Ti-PMOF-DMA was observed with better optoelectronic response and charge transfer than Ti-PMOF-DEF. Moreover, Ti-PMOF-DMA owned a larger pore volume than Ti-PMOF-DEF, imparting more accessible sites to benzyl amines. Ti-PMOF-DMA exhibited better activity in selective photocatalytic aerobic oxidation of benzylamine than Ti-PMOF-DEF. Irradiated by red light-emitting diodes, outstanding results for selective conversion of benzyl amines to imines over Ti-PMOF-DMA were attained. Superoxide radical anion, generated by the electron transfer from porphyrin via Ti-oxo clusters to dioxygen, turned out to be the primary reactive oxygen species. There was generality towards aerobic oxidation of amines to imines and considerable stability for Ti-PMOF-DMA. This work provides a new perspective on the altering MOFs to enhance photocatalytic organic transformations.
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18
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Wang J, Guo X, Jing Q, Li W, Chen T, Zhu R, Pang H. Rational design of self-sacrificial template derived quasi-Cu-MOF composite as anodes for high-performance lithium-ion batteries. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2022.07.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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19
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Metal-Organic Frameworks Decorated Cu2O Heterogeneous Catalysts for Selective Oxidation of Styrene. Catalysts 2022. [DOI: 10.3390/catal12050487] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
The selective oxidation of styrene with highly efficient, environmentally benign, and cost-effective catalysts are of great importance for sustainable chemical processes. Here, we develop an in situ self-assembly strategy to decorate Cu-based metal-organic framework (MOF) Cu-BDC-NH2 nanocrystals on Cu2O octahedra to construct a series of Cu2O@Cu-BDC-NH2 catalysts for selective oxidation of styrene. Using H2O2 as green oxidants, the optimized sample of Cu2O@Cu-BDC-NH2-8h could achieve 85% styrene conversion with 76% selectivity of benzaldehyde under a mild condition of 40 °C. The high performance of the as-prepared heterogeneous catalysts was attributed to the well-designed Cu+/Cu2+ interface between Cu2O and Cu-BDC-NH2 as well as the porous MOF shells composed of the uniformly dispersed Cu-BDC-NH2 nanocrystals. The alkaline properties of Cu2O and the –NH2 modification of MOFs enable the reaction to be carried out in a base-free condition, which simplifies the separation process and makes the catalytic system more environmentally friendly. Besides the Cu2O octahedra (od-Cu2O), the Cu2O cuboctahedrons (cod-Cu2O) were synthesized by adjusting the added polyvinyl pyrrolidone, and the obtained cod-Cu2O@Cu-BDC-NH2 composite also showed good catalytic performance. This work provides a useful strategy for developing highly efficient and environmentally benign heterogeneous catalysts for the selective oxidation of styrene.
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20
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Wu JQ, Ma XY, Liang CL, Lu JM, Shi Q, Shao LX. Design of an antenna effect Eu(III)-based metal-organic framework for highly selective sensing of Fe 3. Dalton Trans 2022; 51:2890-2897. [PMID: 35102363 DOI: 10.1039/d1dt03995d] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Highly selective sensing of Fe3+ is very important due to its great effect on biological systems. A novel ligand [1,1':4',1'':4'',1''':4''',1''''-quinquephenyl]-2,2'',2'''',5''-tetracarboxylic acid (H4qptca) was designed and successfully obtained for the first time via three steps in high total yields according to the absorption spectrum of Fe3+. The europium(III)-based metal-organic framework derived from H4qptca, {[Eu(qptca)1/2(H2qptca)1/2(H2O)2]·DMF}n (referred to as SLX-1), was then synthesized and used as a water-stable and highly selective luminescent sensor for Fe3+ in aqueous solution with a comparable detection limit using Ln-MOF probes (6.45 μM) through the antenna effect of SLX-1. Furthermore, the luminescence quenching mechanism was also proposed as a competitive absorption mechanism.
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Affiliation(s)
- Jia-Qi Wu
- College of Chemistry and Materials Engineering, Wenzhou University, Chashan University Town, Wenzhou, Zhejiang Province 325035, People's Republic of China.
| | - Xin-Yue Ma
- College of Chemistry and Materials Engineering, Wenzhou University, Chashan University Town, Wenzhou, Zhejiang Province 325035, People's Republic of China.
| | - Cheng-Long Liang
- College of Chemistry and Materials Engineering, Wenzhou University, Chashan University Town, Wenzhou, Zhejiang Province 325035, People's Republic of China.
| | - Jian-Mei Lu
- College of Chemistry and Materials Engineering, Wenzhou University, Chashan University Town, Wenzhou, Zhejiang Province 325035, People's Republic of China.
| | - Qian Shi
- College of Chemistry and Materials Engineering, Wenzhou University, Chashan University Town, Wenzhou, Zhejiang Province 325035, People's Republic of China.
| | - Li-Xiong Shao
- College of Chemistry and Materials Engineering, Wenzhou University, Chashan University Town, Wenzhou, Zhejiang Province 325035, People's Republic of China.
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21
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Donà L, Brandenburg JG, Civalleri B. Metal-Organic Frameworks Properties from Hybrid Density Functional Approximations. J Chem Phys 2022; 156:094706. [DOI: 10.1063/5.0080359] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Lorenzo Donà
- Università degli Studi di Torino, Department of Chemistry, Italy
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22
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Kittikhunnatham P, Leith GA, Mathur A, Naglic JK, Martin CR, Park KC, McCullough K, Jayaweera HDAC, Corkill RE, Lauterbach J, Karakalos SG, Smith MD, Garashchuk S, Chen DA, Shustova NB. A Metal‐Organic Framework (MOF)‐Based Multifunctional Cargo Vehicle for Reactive‐Gas Delivery and Catalysis. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202113909] [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]
Affiliation(s)
| | - Gabrielle A. Leith
- Department of Chemistry and Biochemistry University of South Carolina Columbia SC 29208 USA
| | - Abhijai Mathur
- Department of Chemistry and Biochemistry University of South Carolina Columbia SC 29208 USA
| | - Jennifer K. Naglic
- Department of Chemical Engineering University of South Carolina Columbia SC 29208 USA
| | - Corey R. Martin
- Department of Chemistry and Biochemistry University of South Carolina Columbia SC 29208 USA
| | - Kyoung Chul Park
- Department of Chemistry and Biochemistry University of South Carolina Columbia SC 29208 USA
| | - Katherine McCullough
- Department of Chemical Engineering University of South Carolina Columbia SC 29208 USA
| | | | - Ryan E. Corkill
- Department of Chemistry and Biochemistry University of South Carolina Columbia SC 29208 USA
| | - Jochen Lauterbach
- Department of Chemical Engineering University of South Carolina Columbia SC 29208 USA
| | - Stavros G. Karakalos
- Department of Chemical Engineering University of South Carolina Columbia SC 29208 USA
| | - Mark D. Smith
- Department of Chemistry and Biochemistry University of South Carolina Columbia SC 29208 USA
| | - Sophya Garashchuk
- Department of Chemistry and Biochemistry University of South Carolina Columbia SC 29208 USA
| | - Donna A. Chen
- Department of Chemistry and Biochemistry University of South Carolina Columbia SC 29208 USA
| | - Natalia B. Shustova
- Department of Chemistry and Biochemistry University of South Carolina Columbia SC 29208 USA
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23
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Li G, Liu WS, Yang SL, Zhang L, Bu R, Gao EQ. Anion-Afforded Functions of Ionic Metal-Organic Frameworks: Ionochromism, Anion Conduction, and Catalysis. Inorg Chem 2022; 61:902-910. [PMID: 34978189 DOI: 10.1021/acs.inorgchem.1c02741] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The exchangeable counterions in ionic metal-organic frameworks (IMOFs) provide facile and versatile handles to manipulate functions associated with the ionic guests themselves and host-guest interactions. However, anion-exchangeable stable IMOFs combining multiple anion-related functions are still undeveloped. In this work, a novel porous IMOF featuring unique self-penetration was constructed from an electron-deficient tris(pyridinium)-tricarboxylate zwitterionic ligand. The water-stable IMOF undergoes reversible and single-crystal-to-single-crystal anion exchange and shows selective and discriminative ionochromic behaviors toward electron-rich anions owing to donor-acceptor interactions. The IMOFs with different anions are good ionic conductors with low activation energy, the highest conductivity being observed with chloride. Furthermore, integrating Lewis acidic sites and nucleophilic guest anions in solid state, the IMOFs act as heterogeneous and recyclable catalysts to efficiently catalyze the cycloaddition of CO2 to epoxides without needing the use of halide cocatalysts. The catalytic activity is strongly dependent upon the guest anions, and the iodide shows the highest activity. The results demonstrate the great potential of developing IMOFs with various functions related to the guest ions included in the porous matrices.
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Affiliation(s)
- Gen Li
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China
| | - Wan-Shan Liu
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China
| | - Shuai-Liang Yang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China
| | - Lin Zhang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China
| | - Ran Bu
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China
| | - En-Qing Gao
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China
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24
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Hanna SL, Debela TT, Mroz AM, Syed ZH, Kirlikovali KO, Hendon CH, Farha OK. Identification of a metastable uranium metal–organic framework isomer through non-equilibrium synthesis. Chem Sci 2022; 13:13032-13039. [PMID: 36425512 PMCID: PMC9667927 DOI: 10.1039/d2sc04783g] [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: 08/26/2022] [Accepted: 10/24/2022] [Indexed: 11/28/2022] Open
Abstract
Since the structure of supramolecular isomers determines their performance, rational synthesis of a specific isomer hinges on understanding the energetic relationships between isomeric possibilities. To this end, we have systematically interrogated a pair of uranium-based metal–organic framework topological isomers both synthetically and through density functional theory (DFT) energetic calculations. Although synthetic and energetic data initially appeared to mismatch, we assigned this phenomenon to the appearance of a metastable isomer, driven by levers defined by Le Châtelier's principle. Identifying the relationship between structure and energetics in this study reveals how non-equilibrium synthetic conditions can be used as a strategy to target metastable MOFs. Additionally, this study demonstrates how defined MOF design rules may enable access to products within the energetic phase space which are more complex than conventional binary (e.g., kinetic vs. thermodynamic) products. Identifying the relationship between structure and energetics in a uranium MOF isomer system reveals how non-equilibrium synthetic conditions can be used as a strategy to target metastable MOFs.![]()
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Affiliation(s)
- Sylvia L. Hanna
- Department of Chemistry and International Institute for Nanotechnology, Northwestern University, Evanston, IL 60208, USA
| | - Tekalign T. Debela
- Department of Chemistry and Biochemistry, University of Oregon, Eugene, OR 97403, USA
| | - Austin M. Mroz
- Department of Chemistry and Biochemistry, University of Oregon, Eugene, OR 97403, USA
| | - Zoha H. Syed
- Department of Chemistry and International Institute for Nanotechnology, Northwestern University, Evanston, IL 60208, USA
| | - Kent O. Kirlikovali
- Department of Chemistry and International Institute for Nanotechnology, Northwestern University, Evanston, IL 60208, USA
| | - Christopher H. Hendon
- Department of Chemistry and Biochemistry, University of Oregon, Eugene, OR 97403, USA
- Materials Science Institute, University of Oregon, Eugene, OR 97403, USA
| | - Omar K. Farha
- Department of Chemistry and International Institute for Nanotechnology, Northwestern University, Evanston, IL 60208, USA
- Department of Chemical and Biological Engineering, Northwestern University, Evanston, IL 60208, USA
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25
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Klein RA, Shulda S, Parilla PA, Le Magueres P, Richardson RK, Morris W, Brown CM, McGuirk CM. Structural resolution and mechanistic insight into hydrogen adsorption in flexible ZIF-7. Chem Sci 2021; 12:15620-15631. [PMID: 35003592 PMCID: PMC8654044 DOI: 10.1039/d1sc04618g] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Accepted: 11/12/2021] [Indexed: 11/28/2022] Open
Abstract
Flexible metal-organic frameworks offer a route towards high useable hydrogen storage capacities with minimal swings in pressure and temperature via step-shaped adsorption and desorption profiles. Yet, the understanding of hydrogen-induced flexibility in candidate storage materials remains incomplete. Here, we investigate the hydrogen storage properties of a quintessential flexible metal-organic framework, ZIF-7. We use high-pressure isothermal hydrogen adsorption measurements to identify the pressure-temperature conditions of the hydrogen-induced structural transition in ZIF-7. The material displays narrow hysteresis and has a shallow adsorption slope between 100 K and 125 K. To gain mechanistic insight into the cause of the phase transition correlating with stepped adsorption and desorption, we conduct powder neutron diffraction measurements of the D2 gas-dosed structures at conditions across the phase change. Rietveld refinements of the powder neutron diffraction patterns yield the structures of activated ZIF-7 and of the gas-dosed material in the dense and open phases. The structure of the activated phase of ZIF-7 is corroborated by the structure of the activated phase of the Cd congener, CdIF-13, which we report here for the first time based on single crystal X-ray diffraction measurements. Subsequent Rietveld refinements of the powder patterns for the gas-dosed structure reveal that the primary D2 adsorption sites in the dense phase form D2-arene interactions between adjacent ligands in a sandwich-like adsorption motif. These sites are prevalent in both the dense and the open structure for ZIF-7, and we hypothesize that they play an important role in templating the structure of the open phase. We discuss the implications of our findings for future approaches to rationally tune step-shaped adsorption in ZIF-7, its congeners, and flexible porous adsorbents in general. Lastly, important to the application of flexible frameworks, we show that pelletization of ZIF-7 produces minimal variation in performance.
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Affiliation(s)
- Ryan A Klein
- Material, Chemical, and Computational Sciences Directorate, National Renewable Energy Laboratory Golden Colorado 80401 USA
- Center for Neutron Research, National Institute of Standards and Technology Gaithersburg Maryland 20899 USA
| | - Sarah Shulda
- Material, Chemical, and Computational Sciences Directorate, National Renewable Energy Laboratory Golden Colorado 80401 USA
| | - Philip A Parilla
- Material, Chemical, and Computational Sciences Directorate, National Renewable Energy Laboratory Golden Colorado 80401 USA
| | - Pierre Le Magueres
- Rigaku Americas Corporation 9009 New Trails Drive The Woodlands TX 77381 USA
| | | | - William Morris
- NuMat Technologies 8025 Lamon Avenue Skokie Illinois 60077 USA
| | - Craig M Brown
- Center for Neutron Research, National Institute of Standards and Technology Gaithersburg Maryland 20899 USA
- Department of Chemical and Biomolecular Engineering, University of Delaware Newark Delaware 19716 USA
| | - C Michael McGuirk
- Department of Chemistry, Colorado School of Mines Golden Colorado 80401 USA
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26
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Kittikhunnatham P, Leith GA, Mathur A, Naglic JK, Martin CR, Park KC, McCullough K, Jayaweera HDAC, Corkill RE, Lauterbach J, Karakalos SG, Smith MD, Garashchuk S, Chen DA, Shustova NB. A MOF Multifunctional Cargo Vehicle for Reactive Gas Delivery and Catalysis. Angew Chem Int Ed Engl 2021; 61:e202113909. [PMID: 34845811 DOI: 10.1002/anie.202113909] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Indexed: 11/06/2022]
Abstract
Efficient delivery of reactive and toxic gaseous reagents to organic reactions was studied using metal-organic frameworks (MOFs). Simultaneous cargo vehicle and catalytic capabilities of several MOFs were probed for the first time using the examples of aromatization, aminocarbonylation, and carbonylative Suzuki-Miyaura coupling reactions. These reactions highlight that MOFs can serve a dual role as a gas cargo vehicle and a catalyst, leading to product formation with yields similar to reactions employing pure gases. Furthermore, the MOFs can be recycled without sacrificing product yield, while simultaneously maintaining crystallinity. The reported findings were supported crystallographically and spectroscopically (e.g., diffuse reflectance infrared Fourier transform spectroscopy), foreshadowing a pathway for the development of multifunctional MOF-based reagent-catalyst cargo vessels for reactive reagents, as an attractive alternative to the use of toxic pure gases or gas generators.
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Affiliation(s)
- Preecha Kittikhunnatham
- University of South Carolina, Chemistry and Biochemistry, 631 Sumter Street, 29208, Columbia, UNITED STATES
| | - Gabrielle A Leith
- University of South Carolina, Chemistry and Biochemistry, 631 Sumter Street, 29201, Columbia, UNITED STATES
| | - Abhijai Mathur
- University of South Carolina, Chemistry and Biochemistry, 631 Sumter Street, 29208, Columbia, UNITED STATES
| | - Jennifer K Naglic
- University of South Carolina College of Engineering and Computing, Chemical Engineering, 301 Main Street, 29208, Columbia, UNITED STATES
| | - Corey R Martin
- University of South Carolina, Chemistry and Biochemistry, 631 Sumter Street, 29208, Columbia, UNITED STATES
| | - Kyoung Chul Park
- University of South Carolina, Chemistry and Biochemistry, 631 Sumter Street, 29208, Columbia, UNITED STATES
| | - Katherine McCullough
- University of South Carolina College of Engineering and Computing, Chemical Engineering, 301 Main Street, 29208, Columbia, UNITED STATES
| | - H D A Chathumal Jayaweera
- University of South Carolina, Chemistry and Biochemistry, 631 Sumter Street, 29208, Columbia, UNITED STATES
| | - Ryan E Corkill
- University of South Carolina, Chemistry and Biochemistry, 631 Sumter Street, 29208, Columbia, UNITED STATES
| | - Jochen Lauterbach
- University of South Carolina College of Engineering and Computing, Chemical Engineering, 301 Main Street, 29208, Columbia, UNITED STATES
| | - Stavros G Karakalos
- University of South Carolina College of Engineering and Computing, Chemical Engineering, 301 Main Street, 29208, Coulmbia, UNITED STATES
| | - Mark D Smith
- University of South Carolina, Chemistry and Biochemistry, 631 Sumter Street, 29208, Columbia, UNITED STATES
| | - Sophya Garashchuk
- University of South Carolina, Chemistry and Biochemistry, 631 Sumter Street, 29208, Columbia, UNITED STATES
| | - Donna A Chen
- University of South Carolina, Chemistry and Biochemistry, 631 Sumter Street, 29208, Columbia, UNITED STATES
| | - Natalia B Shustova
- University of South Carolina, Chemistry and Biochemistry, 631 Sumter street GSRC-533, SC, Columbia, UNITED STATES
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27
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Bara D, Meekel EG, Pakamorė I, Wilson C, Ling S, Forgan RS. Exploring and expanding the Fe-terephthalate metal-organic framework phase space by coordination and oxidation modulation. MATERIALS HORIZONS 2021; 8:3377-3386. [PMID: 34665190 PMCID: PMC8628537 DOI: 10.1039/d1mh01663f] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Accepted: 10/12/2021] [Indexed: 05/19/2023]
Abstract
The synthesis of phase pure metal-organic frameworks (MOFs) - network solids of metal clusters connected by organic linkers - is often complicated by the possibility of forming multiple diverse phases from one metal-ligand combination. For example, there are at least six Fe-terephthalate MOFs reported to date, with many examples in the literature of erroneous assignment of phase based on diffraction data alone. Herein, we show that modulated self-assembly can be used to influence the kinetics of self-assembly of Fe-terephthalate MOFs. We comprehensively assess the effect of addition of both coordinating modulators and pH modulators on the outcome of syntheses, as well as probing the influence of the oxidation state of the Fe precursor (oxidation modulation) and the role of the counteranion on the phase(s) formed. In doing so, we shed light on the thermodynamic landscape of this phase system, uncover mechanistics of modulation, provide robust routes to phase pure materials, often as single crystals, and introduce two new Fe-terephthalate MOFs to an already complex system. The results highlight the potential of modulated self-assembly to bring precision control and new structural diversity to systems that have already received significant study.
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Affiliation(s)
- Dominic Bara
- WestCHEM School of Chemistry, University of Glasgow, Joseph Black Building, University Avenue, Glasgow G12 8QQ, UK.
| | - Emily G Meekel
- WestCHEM School of Chemistry, University of Glasgow, Joseph Black Building, University Avenue, Glasgow G12 8QQ, UK.
| | - Ignas Pakamorė
- WestCHEM School of Chemistry, University of Glasgow, Joseph Black Building, University Avenue, Glasgow G12 8QQ, UK.
| | - Claire Wilson
- WestCHEM School of Chemistry, University of Glasgow, Joseph Black Building, University Avenue, Glasgow G12 8QQ, UK.
| | - Sanliang Ling
- Advanced Materials Research Group, Faculty of Engineering, University of Nottingham, University Park, Nottingham NG7 2RD, UK
| | - Ross S Forgan
- WestCHEM School of Chemistry, University of Glasgow, Joseph Black Building, University Avenue, Glasgow G12 8QQ, UK.
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28
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Yoon S, Talin AA, Stavila V, Mroz AM, Bennett TD, He Y, Keen DA, Hendon CH, Allendorf MD, So MC. From n- to p-Type Material: Effect of Metal Ion on Charge Transport in Metal-Organic Materials. ACS APPLIED MATERIALS & INTERFACES 2021; 13:52055-52062. [PMID: 34061490 DOI: 10.1021/acsami.1c09130] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
An intriguing new class of two-dimensional (2D) materials based on metal-organic frameworks (MOFs) has recently been developed that displays electrical conductivity, a rarity among these nanoporous materials. The emergence of conducting MOFs raises questions about their fundamental electronic properties, but few studies exist in this regard. Here, we present an integrated theory and experimental investigation to probe the effects of metal substitution on the charge transport properties of M-HITP, where M = Ni or Pt and HITP = 2,3,6,7,10,11-hexaiminotriphenylene. The results show that the identity of the M-HITP majority charge carrier can be changed without intentional introduction of electronically active dopants. We observe that the selection of the metal ion substantially affects charge transport. Using the known structure, Ni-HITP, we synthesized a new amorphous material, a-Pt-HITP, which although amorphous is nevertheless found to be porous upon desolvation. Importantly, this new material exhibits p-type charge transport behavior, unlike Ni-HITP, which displays n-type charge transport. These results demonstrate that both p- and n-type materials can be achieved within the same MOF topology through appropriate choice of the metal ion.
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Affiliation(s)
- Sungwon Yoon
- Department of Chemistry and Biochemistry, California State University Chico, Chico, California 95973, United States
- Department of Chemistry, University of Houston, Houston, Texas 77204, United States
| | - A Alec Talin
- Sandia National Laboratories, Livermore, California 94551, United States
| | - Vitalie Stavila
- Sandia National Laboratories, Livermore, California 94551, United States
| | - Austin M Mroz
- Department of Chemistry and Biochemistry, University of Oregon, Eugene, Oregon 97401, United States
| | - Thomas D Bennett
- Department of Materials Science and Metallurgy, University of Cambridge, Cambridge CB3 0FS, United Kingdom
| | - Yuping He
- Department of Chemistry, University of Houston, Houston, Texas 77204, United States
| | - David A Keen
- ISIS Facility, Rutherford Appleton Laboratory, Harwell Campus, Didcot OX11 0QX, United Kingdom
| | - Christopher H Hendon
- Department of Chemistry and Biochemistry, University of Oregon, Eugene, Oregon 97401, United States
| | - Mark D Allendorf
- Sandia National Laboratories, Livermore, California 94551, United States
| | - Monica C So
- Department of Chemistry and Biochemistry, California State University Chico, Chico, California 95973, United States
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29
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Jia JG, Zhao CC, Bao SS, Wu LQ, Wen GH, Jacobson AJ, Ma J, Zheng LM. Layer or Tube? Uncovering Key Factors Determining the Rolling-up of Layered Coordination Polymers. J Am Chem Soc 2021; 143:17587-17598. [PMID: 34644503 DOI: 10.1021/jacs.1c07517] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Nanotubular materials have garnered considerable attention since the discovery of carbon nanotubes. Although the layer-to-tube rolling up mechanism has been well recognized in explaining the formation of many inorganic nanotubes, it has not been generally applied to coordination polymers (CPs). To uncover the key factors that determine the rolling-up of layered CPs, we have chosen the Co/R-, S-Xpemp [Xpemp = (4-X-1-phenylethylamino)methylphosphonic acid, X = H, F, Cl, Br] systems and study how the weak interactions influence the formation of layered or tubular structures. Four pairs of homochiral isostructural compounds R-, S-Co(Xpemp)(H2O)2 [X = H (1H), F (2F), Cl (3Cl), Br (4Br)] were obtained with tubular structures. The inclusion of 3,3'-azobipyridine (ABP) guest molecules led to compounds R-, S-[Co(Xpemp)(H2O)2]4·ABP·H2O with layered structures when X was Cl (5Cl) and Br (6Br), but tubular compounds 1H and 2F when X was H and F. Layered structures were also obtained for racemic compounds meso-Co(Xpemp)(H2O)2 [X = F (7F), Cl (8Cl), Br (9Br)] using racemic XpempH2 as the reaction precursor, but not when X = H. A detailed study on R-6Br revealed that layer-to-tube transformation occurred upon removal of ABP under hydrothermal conditions, forming R-4Br with a tubular structure. Similar layer-to-tube conversion did not occur in organic solvents. The results demonstrate that weak interlayer interactions are a prerequisite but not sufficient for the rolling-up of the layers. In the present cases, water also provides a driving force in the layer-to-tube transformation. The experimental results were rationalized by theoretical calculations.
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Affiliation(s)
- Jia-Ge Jia
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210023, People's Republic of China
| | - Chen-Chen Zhao
- Theoretical and Computational Chemistry Institute, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, People's Republic of China
| | - Song-Song Bao
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210023, People's Republic of China
| | - Lan-Qing Wu
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210023, People's Republic of China
| | - Ge-Hua Wen
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210023, People's Republic of China
| | - Allan J Jacobson
- Department of Chemistry and Texas Center for Superconductivity, University of Houston, Houston, Texas 77204, United States
| | - Jing Ma
- Theoretical and Computational Chemistry Institute, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, People's Republic of China
| | - Li-Min Zheng
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210023, People's Republic of China
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30
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Chen Y, Chang Z, Zhang J, Gong J. Bending for Better: Flexible Organic Single Crystals with Controllable Curvature and Curvature-Related Conductivity for Customized Electronic Devices. Angew Chem Int Ed Engl 2021; 60:22424-22431. [PMID: 34375037 DOI: 10.1002/anie.202108441] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Revised: 07/28/2021] [Indexed: 11/07/2022]
Abstract
Electronic microdevices of self-bending coronene crystals are developed to reveal an unexplored link between mechanical deformation and crystal function. First, a facile approach towards length/width/curvature-controllable micro-crystals through bottom-up solution crystallization was proposed for high processability and stability. The bending crystal devices show a significant increase beyond seven orders of magnitude in conductivity than the straight ones, providing the first example of deformation-induced function enhancement in crystal materials. Besides, double effects caused by bending, including the change of π electron level as well as the enhancement of carrier mobility, were determined, respectively by the X-ray photoelectric spectroscopy and X-ray crystallography to coexist, contributing to the conductivity improvement. Our findings will promote future creation of flexible organic crystal systems with deformation-enhanced functional features towards customized smart devices.
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Affiliation(s)
- Yifu Chen
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Weijin Road 92, Tianjin, 300072, China.,Collaborative Innovation Center of Chemical Science and Engineering, Weijin Road 92, Tianjin, 300072, China
| | - Zewei Chang
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Weijin Road 92, Tianjin, 300072, China.,Collaborative Innovation Center of Chemical Science and Engineering, Weijin Road 92, Tianjin, 300072, China
| | - Jiaxing Zhang
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Weijin Road 92, Tianjin, 300072, China.,Collaborative Innovation Center of Chemical Science and Engineering, Weijin Road 92, Tianjin, 300072, China
| | - Junbo Gong
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Weijin Road 92, Tianjin, 300072, China.,Collaborative Innovation Center of Chemical Science and Engineering, Weijin Road 92, Tianjin, 300072, China
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31
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Jiang J, Wang Y, Wang D, Zhang W, Li Y. Synthesis, Structures of
2D
Coordination Layers
Metal‐Organic
Frameworks with Highly Selective
CO
2
Uptake
†. CHINESE J CHEM 2021. [DOI: 10.1002/cjoc.202100356] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Jingjing Jiang
- Department of Chemistry Tsinghua University Beijing 100084 China
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering Nanjing University Nanjing Jiangsu 210023 China
| | - Yang Wang
- Department of Chemistry Tsinghua University Beijing 100084 China
| | - Dingsheng Wang
- Department of Chemistry Tsinghua University Beijing 100084 China
| | - Wenwei Zhang
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering Nanjing University Nanjing Jiangsu 210023 China
| | - Yadong Li
- Department of Chemistry Tsinghua University Beijing 100084 China
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32
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Chen Y, Chang Z, Zhang J, Gong J. Bending for Better: Flexible Organic Single Crystals with Controllable Curvature and Curvature‐Related Conductivity for Customized Electronic Devices. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202108441] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Yifu Chen
- State Key Laboratory of Chemical Engineering School of Chemical Engineering and Technology Tianjin University Weijin Road 92 Tianjin 300072 China
- Collaborative Innovation Center of Chemical Science and Engineering Weijin Road 92 Tianjin 300072 China
| | - Zewei Chang
- State Key Laboratory of Chemical Engineering School of Chemical Engineering and Technology Tianjin University Weijin Road 92 Tianjin 300072 China
- Collaborative Innovation Center of Chemical Science and Engineering Weijin Road 92 Tianjin 300072 China
| | - Jiaxing Zhang
- State Key Laboratory of Chemical Engineering School of Chemical Engineering and Technology Tianjin University Weijin Road 92 Tianjin 300072 China
- Collaborative Innovation Center of Chemical Science and Engineering Weijin Road 92 Tianjin 300072 China
| | - Junbo Gong
- State Key Laboratory of Chemical Engineering School of Chemical Engineering and Technology Tianjin University Weijin Road 92 Tianjin 300072 China
- Collaborative Innovation Center of Chemical Science and Engineering Weijin Road 92 Tianjin 300072 China
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33
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Li G, Yang SL, Liu WS, Guo MY, Liu XY, Bu R, Gao EQ. Photoinduced versus spontaneous host–guest electron transfer within a MOF and chromic/luminescent response. Inorg Chem Front 2021. [DOI: 10.1039/d1qi01079d] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
The MOF shows charge-transfer sensitized Eu(iii) emission and spontaneous/photoinduced guest-to-host electron transfer, which allow chromic and luminescent sensing of NH3 (luminescence turn-off) and O2 (luminescence turn-on).
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Affiliation(s)
- Gen Li
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China
| | - Shuai-Liang Yang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China
| | - Wan-Shan Liu
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China
| | - Meng-Yue Guo
- Engineering Research Center for Nanophotonics and Advanced Instrument, School of Physics and Electronic Science, East China Normal University, Shanghai, 200062, China
| | - Xiao-Yan Liu
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China
| | - Ran Bu
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China
| | - En-Qing Gao
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China
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