Guest Encapsulation in Metal–Organic Frameworks for Photonics

Accounts of Materials Research, Journal Year: 2023, Volume and Issue: 4(11), P. 982 - 994

Published: Nov. 7, 2023

ConspectusPhotonic functional materials have received mounting attention because of their employment in luminescent sensing, display, white-light-emission (WLE), data storage, bioimaging, etc. Metal–organic frameworks (MOFs), usually fabricated by metal nodes and organic linkers, offer many intriguing properties such as permanent porosity, structural designability, diversity morphology, excellent crystallinity, multiple centers, modifiable chemical functionality. These make MOFs versatile hosts various environments, especially developing advanced photonic materials. Furthermore, the pores within endow them to confine diverse guest molecules (e.g., dyes, perovskite quantum dots (QDs), photochromic molecules, lanthanide ions, complexes so forth), plenty encapsulation MOF can be successfully fabricated.It is worth noting that advantages guest-encapsulated for photonics are abundant. First, combining units result host–guest with which used realize properties. Second, apart from intrinsic guests, isolation protection could optimize enhance functionality enhancing photoluminescence yield (PLQY), stability, on. Third, confinement orientation ordered undoubtedly enables a promising strategy generating novel functionalities. It precisely due enormous combination possibilities, synergistic effects, controllable directional assembly provide new avenue designing constructing tailored applications.In this Account, we describe some our efforts encapsulate construct Given unique intermolecular interactions between MOFs, put an emphasis on rational design generate functionality, introducing then using ratiometric thermometers, film sensors, sensor array; performance through achieving WLE, multiphoton excited luminescence (MPEL); including high-order nonlinear optical (NLO) response, multiphoton-pumped polarized lasing, laser switch performance, photostimuli-responsive dynamic fluorescence, We also discuss most important measurement techniques [confocal scanning microscope (CLSM) single crystal X-ray diffraction (SCXRD)] applied proper determination position guests MOFs. Various synthetic routes strategies MOFs⊃guest composites were discussed. Finally, point out future principles research directions

Language: Английский

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CD-MOFs: From preparation to drug delivery and therapeutic application

Carbohydrate Polymers, Journal Year: 2023, Volume and Issue: 323, P. 121424 - 121424

Published: Sept. 20, 2023

Language: Английский

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Physicochemical characterization of metal organic framework materials: A mini review

Heliyon, Journal Year: 2023, Volume and Issue: 10(1), P. e23840 - e23840

Published: Dec. 16, 2023

Metal-organic frameworks (MOFs) are promising materials offering exceptional performance across a myriad of applications, attributable to their remarkable physicochemical properties such as regular porosity, crystalline structure, and tailored functional groups. Despite potential, there is lack dedicated reviews that focus on key characterizations MOFs for the beginners new researchers in field. This review written based our expertise synthesis characterization MOFs, specifically provide right direction researcher who beginner this area. In way, experimental errors can be reduced, wastage time chemicals avoided when conduct study. article, topic critically analyzed, findings conclusions presented. We reviewed three well-known XRD techniques, including PXRD, single crystal XRD, SAXS, which were used analysis depending size quality morphology. The TGA profile was an effective factor evaluating activation process ensuring successful investigation other characterizations. BET pore significantly affected by selective benzene chain cross-linkers. FTIR prominent method investigate groups surfaces, successfully evaluate process, characterize functionalized estimate applications. most significant methods include X-ray diffraction, utilized structural identification, thermogravimetric (TGA), exploring thermal decomposition. It important note stability influenced two main factors: metal-ligand interaction type attached organic ligand. textural hand, scrutinized through nitrogen adsorption-desorption isotherms experiments at 77 K. However, smaller size, Argon isotherm 87.3 K preferred. Furthermore, CO2 adsorption 273 measure ultra-micropore sizes lower than these, cannot measured using N2 highest observed high-valence constructed metal-oxo cluster, has excellent ability control properties. found procedure (including choice solvent, cross-linker, secondary metal, surface groups, temperature), method, pressure impact area MOF and, extension, its integrity. Additionally, Fourier-transform infrared spectroscopy plays crucial role identifying active Understanding these utilizing relevant techniques will enable more precise selection specific

Language: Английский

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Phase Transition‐Promoted Rapid Photomechanical Motions of Single Crystals of a Triene Coordination Polymer

Angewandte Chemie International Edition, Journal Year: 2023, Volume and Issue: 62(41)

Published: May 15, 2023

Abstract Molecular crystals with the ability to transform light energy into macroscopic mechanical motions are a promising class of materials potential applications in actuating and photonic devices. In regard such materials, coordination polymers that exhibit dynamic photomechanical motion, associated phase transition, unknown. Herein, we report an intriguing photoactive, one‐dimensional Zn II polymer, 1 , derived from 1,3,5‐tri‐4‐pyridyl‐1,2‐ethenylbenzene 3,5‐difluorobenzoate. Single under UV irradiation rapid shrinking bending, violent bursting‐jumping, splitting, cracking behavior. Single‐crystal X‐ray diffraction analysis H NMR spectroscopy reveal unusual photoinduced transition involving single‐crystal‐to‐single‐crystal [2+2] cycloaddition reaction results responses. Interestingly, which triclinic space group transformed higher symmetry, monoclinic cell C 2/ c . This process represents rare example symmetry enhancement upon photoirradiation. The activity is likely due sudden release stress strained molecular geometries significant solid‐state movement arising cleavage formation chemical bonds. A composite membrane fabricated polyvinyl alcohol (PVA) also displays interesting behavior illumination, indicating material's as photoactuator.

Language: Английский

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Emergent induced circularly polarized luminescence in host–guest crystalline porous assemblies

Coordination Chemistry Reviews, Journal Year: 2024, Volume and Issue: 514, P. 215859 - 215859

Published: May 9, 2024

Language: Английский

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Photocatalytic driven ‘self-cleaning’ IPN membranes infused with a ‘host-guest’ pair consisting of metal-organic framework encapsulated anionic ‘nano-clusters’ for water remediation

Journal of Membrane Science, Journal Year: 2024, Volume and Issue: 694, P. 122422 - 122422

Published: Jan. 4, 2024

Language: Английский

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Highlights in Interface of Wastewater Treatment by Utilizing Metal Organic Frameworks: Purification and Adsorption Kinetics

Langmuir, Journal Year: 2024, Volume and Issue: 40(10), P. 5040 - 5059

Published: Feb. 28, 2024

Polluted water has become a concern for the scientific community as it causes many severe threats to living beings. Detection or removal of contaminants present in wastewater and attaining purity that can be used various purposes are primary responsibility. Different treatment methods have already been purification sewage. There is need low-cost, highly selective, reusable materials efficiently remove pollutants purify contaminated water. In this regard, MOFs shown significant potential applications such supercapacitors, drug delivery, gas storage, pollutant adsorption, etc. The outstanding structural diversity, substantial surface areas, adjustable pore sizes make them superior candidates treatment. This Review provides an overview interaction science engineering (kinetic thermodynamic aspects with interactions) underpinning purification. First, fundamental strategies synthesis MOFs, different categories, their applicability summarized, followed by detailed explanation mechanisms. Finally, current challenges future outlooks research on MOF toward adsorption hazardous components discussed. A new avenue modifying characteristics separation materials, which will undoubtedly direct work, also summarized.

Language: Английский

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Extrinsically conducting MOFs: guest-promoted enhancement of electrical conductivity, thin film fabrication and applications

Chemical Society Reviews, Journal Year: 2024, Volume and Issue: 53(19), P. 9490 - 9559

Published: Jan. 1, 2024

Conductive metal-organic frameworks are of current interest in chemical science because their applications chemiresistive sensing, electrochemical energy storage, electrocatalysis,

Language: Английский

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Recent progress on organic metal compound/MOF hybrids: From controllable synthesis to potential catalytic applications

Coordination Chemistry Reviews, Journal Year: 2024, Volume and Issue: 515, P. 215972 - 215972

Published: May 27, 2024

Language: Английский

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Metal-organic-frameworks (MOFs) advanced synthetic strategies and applications, including light emitting diodes, solar cells and photodetectors

Reviews in Inorganic Chemistry, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 20, 2025

Abstract Several synthetic approaches, such as solvothermal, microwave-assisted, electrochemical, and mechanochemical techniques, are used in the creation of metal-organic frameworks (MOFs). The resulting MOFs can be tailored for particular purposes by utilizing distinct benefits that each these approaches offers terms managing their size, shape, functional qualities. most recent developments MOF synthesis examined this study along with how they being optoelectronic devices photodiodes, solar cells, light-emitting diodes (LEDs). potential candidates applications because special qualities, which include capacity to host guest molecules, promote charge transport, improve light absorption. effectively house luminescent centers LEDs, improving brightness color purity. separation collecting efficiency cells. customizable band gaps MOFs, may designed maximize performance photodetection, advantageous photodiodes. Advances could revolutionize future optoelectronics. Finally, based on ongoing development advanced methods allow fabrication cells photodetectors at higher levels technological innovation application. Additionally, photodetectors, thought active material interact various wavelengths pave way more sensitive adaptable application-specific sensors a range areas, including high-speed communication technologies environmental monitoring.

Language: Английский

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