Tackling orientation of metal-organic frameworks (MOFs): The quest to enhance MOF performance

Coordination Chemistry Reviews, Год журнала: 2023, Номер 481, С. 215043 - 215043

Опубликована: Фев. 13, 2023

As the structure and properties of anisotropic metal–organic frameworks (MOFs) vary with certain directions in space, controlling orientation these MOFs allows full advantage to be taken their properties. Not surprisingly, preparation oriented MOFs, has drawn great attention past decade. In this review, we systematically summarized strategies utilized for growth highlighting possibilities each synthetic approach as well challenges they have overcome. Herein, also explored MOF-on-MOF hybrids. Finally, presented advantages MOF crystals over randomly counterparts different applications, including adsorptions, separations, catalysis, sensing, energy storage, etc. We hope review shows tremendous helps reader better comprehend synthesis, properties, applications.

Язык: Английский

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A historical perspective on porphyrin-based metal–organic frameworks and their applications

Coordination Chemistry Reviews, Год журнала: 2020, Номер 429, С. 213615 - 213615

Опубликована: Окт. 21, 2020

Язык: Английский

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Metal–organic frameworks for chemical sensing devices

Materials Horizons, Год журнала: 2021, Номер 8(9), С. 2387 - 2419

Опубликована: Янв. 1, 2021

An emerging trend in the application of metal–organic frameworks is to engineer mobile devices possess chemical detecting capabilities for environmental monitoring, point-of-care testing, artificial intelligence, food security and defence.

Язык: Английский

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Covalent organic frameworks as multifunctional materials for chemical detection

Chemical Society Reviews, Год журнала: 2021, Номер 50(24), С. 13498 - 13558

Опубликована: Янв. 1, 2021

Sensitive and selective detection of chemical biological analytes is critical in various scientific technological fields. As an emerging class multifunctional materials, covalent organic frameworks (COFs) with their unique properties modularity, large surface area, high stability, low density, tunable pore sizes functionalities, which together define programmable properties, show promise advancing detection. This review demonstrates the recent progress where COFs constitute integral component achieved function. highlights how can be harnessed to develop different types systems based on principles chromism, luminescence, electrical transduction, chromatography, spectrometry, others achieve highly sensitive analytes, ranging from gases, volatiles, ions, biomolecules. The key parameters performance for target are summarized, compared, analyzed perspective mechanism structure-property-performance correlations COFs. Conclusions summarize current accomplishments analyze challenges limitations that exist under mechanisms. Perspectives future directions research advance COF-based through innovation novel COF design synthesis, device fabrication, exploration modes also discussed.

Язык: Английский

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Adsorption of uranium (VI) by metal-organic frameworks and covalent-organic frameworks from water

Coordination Chemistry Reviews, Год журнала: 2022, Номер 475, С. 214917 - 214917

Опубликована: Окт. 31, 2022

Язык: Английский

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Cyclodextrin Metal–Organic Frameworks and Their Applications

Accounts of Chemical Research, Год журнала: 2021, Номер 54(6), С. 1440 - 1453

Опубликована: Фев. 1, 2021

ConspectusCyclodextrin-based metal–organic frameworks (CD-MOFs), derived from γ-cyclodextrin (γ-CD) and alkali metal cations, constitute a class of porous, renewable, edible MOFs that can be synthesized naturally occurring carbohydrate on large scale. γ-CD is C8-symmetrical cyclic oligosaccharide composed eight asymmetric α-1,4-linked d-glucopyranosyl residues possesses bucket-shaped cavity with an inner diameter ∼1 nm depth ∼0.8 nm. Upon combination 1 equiv 8 potassium hydroxide in aqueous solution, followed by vapor diffusion MeOH (or EtOH) into this solution during several days, CD-MOF-1 obtained as cubic crystals. This carbohydrate-based MOF, which was discovered serendipitously 2010, the first highly crystalline CD-MOF to obtained. X-ray crystallography single crystal reveals it adopts space group I432 unit cell dimensions approximately 31 × Å3. Other CD-MOFs, namely, CD-MOF-2 CD-MOF-3, when ions are replaced rubidium cesium ions, respectively. CD-MOFs comprise extended body-centered (γ-CD)6 units, contain spherical pores reside at center cubes, interconnected forming both cylindrical triangular channels.During past decade, have emerged useful multifunctional materials based porous structures displaying robust crystallinity, permanent porosity, excellent biocompatibility. The family has been joined growing collection nodes involving cations (Li+, Na+, K+, Rb+, Cs+) well its derivatives. As result ability their absorb guest molecules, including gases, drugs, metal-based nanoclusters, nanoparticles, potential applications areas disparate templating syntheses nanoparticles gels, adsorption separation, trapping reactive intermediates, catalyst supports, sensing, electrical memory, drug delivery.In Account, we tell story scientific discovery made our research laboratory Northwestern University, opportunities use these environmentally friendly across different fields science technology. includes representative synthetic protocols for preparation along overview structural features, functionalization, chemical modification aimed increasing stabilities environments, finally, summary applications. examples will discuss, however, only illustrative, there significant body additional findings emanating others, especially realm developing new strategies, tuning framework stabilities, exploring inclusion emergent properties CD-MOFs. We refer readers original communications, papers, reviews cited herein. hope that, telling Account may promote discoveries further development CD-MOF-based technologies future.

Язык: Английский

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Graphene-Based Metal–Organic Framework Hybrids for Applications in Catalysis, Environmental, and Energy Technologies

Chemical Reviews, Год журнала: 2022, Номер 122(24), С. 17241 - 17338

Опубликована: Ноя. 1, 2022

Current energy and environmental challenges demand the development design of multifunctional porous materials with tunable properties for catalysis, water purification, conversion storage. Because their amenability to de novo reticular chemistry, metal-organic frameworks (MOFs) have become key in this area. However, usefulness is often limited by low chemical stability, conductivity inappropriate pore sizes. Conductive two-dimensional (2D) robust structural skeletons and/or functionalized surfaces can form stabilizing interactions MOF components, enabling fabrication nanocomposites characteristics. Graphene its functional derivatives are largest class 2D possess remarkable compositional versatility, diversity, controllable surface chemistry. Here, we critically review current knowledge concerning growth, structure, graphene derivatives, MOFs, graphene@MOF composites as well associated structure-property-performance relationships. Synthetic strategies preparing tuning also comprehensively reviewed together applications gas storage/separation, catalysis (organo-, electro-, photocatalysis), electrochemical storage conversion. hybrids practical addressed, revealing areas future investigation. We hope that will inspire further exploration new energy, electronic, biomedical, photocatalysis studies on previously unreported known reveal potential "diamonds rough".

Язык: Английский

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Energy Transfer in Metal–Organic Frameworks for Fluorescence Sensing

ACS Applied Materials & Interfaces, Год журнала: 2022, Номер 14(8), С. 9970 - 9986

Опубликована: Фев. 17, 2022

The development of materials with outstanding performance for sensitive and selective detection multiple analytes is essential the human health society. Luminescent metal-organic frameworks (LMOFs) have controllable surface pore sizes excellent optical properties. Therefore, a variety LMOF-based sensors diverse functions can be easily designed applied. Furthermore, introduction energy transfer (ET) into LMOFs (ET-LMOFs) could provide richer design concept much more accurate sensing performance. In this review, we focus on recent five years advances in ET-LMOF-based materials, an emphasis photochemical photophysical mechanisms. We discuss detail possible processes within MOF structure or between MOFs guest materials. Finally, applications are highlighted.

Язык: Английский

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Dual-Ligand Lanthanide Metal–Organic Framework for Sensitive Ratiometric Fluorescence Detection of Hypochlorous Acid

Analytical Chemistry, Год журнала: 2021, Номер 93(7), С. 3559 - 3566

Опубликована: Фев. 11, 2021

Sensitivity, selectivity, visible detection, and rapid response are the main concerns for an analytical method. Herein, we reported a metal-organic framework (MOF)-based ratiometric fluorescence detection strategy hypochlorous acid (HClO). The MOF was prepared with dual ligands, 2-aminoterephthalic (BDC-NH2) dipicolinic (DPA) Eu3+ ions as metal node, denoted Eu-BDC-NH2/DPA. dual-ligand realized emission sensing visual adjusted size morphology of MOFs to obtain good dispersion response, provided amino group special recognition HClO. Thus, exhibited derived from BDC-NH2 at 433 621 nm, respectively, under single excitation 270 nm. A hydrogen bond forms between -NH2 HClO weaken blue while antenna effect kept stable, so easy-to-differentiate color change detection. showed self-calibration reduced background. high sensitivity, low limit (37 nM), short time (within 20 s) were probe. analysis real samples demonstrated practical application introduction mixed ligands is effective regulate behaviors improved performance.

Язык: Английский

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1D Metal Oxide Semiconductor Materials for Chemiresistive Gas Sensors: A Review

Advanced Electronic Materials, Год журнала: 2021, Номер 7(9)

Опубликована: Июль 2, 2021

Abstract While numerous types of gas sensors have been developed for various industries and applications such as the automotive industry, environmental monitoring, personal safety, nanoscale chemiresistive gained significant research interest due to several advantages high sensitivity, low power consumption, portability. An essential component these is sensing material where metal oxide semiconductor (MOS) materials are most prevalent material. Since adoption synthesis methods development, electrospinning hydrothermal synthesis, many novel 1D MOS‐based nanostructured demonstrated enhance performance. Overall, nanoengineering approaches mechanisms enhancement performance oxide‐based systematically discussed categorized into overarching strategies, tuning dimension, morphology, composition. Furthermore, integration nanomaterials sensor devices from perspective different architectures device fabrication methods. Finally, this review also discusses use MOS emerging electronic nose applications.

Язык: Английский

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