Interconversion and functional composites of metal-organic frameworks and hydrogen-bonded organic frameworks

Chemical Communications, Journal Year: 2024, Volume and Issue: 60(63), P. 8140 - 8152

Published: Jan. 1, 2024

Metal-organic frameworks (MOFs), an emerging class of highly ordered crystalline porous materials, possess structural tunability, high specific surface area, well-defined pores, and diverse pore environments morphologies, making them suitable for various potential applications. Moreover, hydrogen-bonded organic (HOFs), constructed from molecules with complementary hydrogen-bonding patterns, are rapidly evolving into a novel category materials due to their facile mild preparation conditions, solution processability, easy regeneration capability, excellent biocompatibility. These distinctive advantages have garnered significant attention across fields. Considering the inherent binding affinity between MOFs HOFs along fact that many MOF linkers can serve as building blocks constructing HOFs, combination holds promise in creating functional enhanced performance. This feature paper provides introduction interconversion followed by highlighting applications MOF-HOF composites. Finally, we briefly discuss current challenges associated future perspectives on

Language: Английский

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Arylsulfonate Ionic Hydrogen-Bonded Organic Frameworks Enable Highly Stable and Superprotonic Conductivity for Enhancing Direct Methanol Fuel Cells

ACS Materials Letters, Journal Year: 2024, Volume and Issue: unknown, P. 3351 - 3357

Published: June 28, 2024

Developing proton-conducting materials with superior proton conductivity and excellent stability plays an indispensable role in the advancement of direct methanol fuel cells (DMFCs). In this work, we successfully synthesized ionic hydrogen-bonded organic framework (iHOF-13) 3D hydrogen-bonding network structures. The inherent abundance hydrogen bonding networks HOFs enables them to exhibit superprotonic conductivity. Specifically, iHOF-13 demonstrates a 1.3 × 10–1 S cm–1 at 98% relative humidity 100 °C. iHOF is enriched transport sites, its doping into Nafion matrix exhibits extremely high (10–1 cm–1) low permeability. maximum power density 7.5%-iHOF-13/Nafion composite membrane can reach 104.7 mW cm–2 DMFCs, which 2.1 times higher than that recast Nafion. incorporation high-performance facilitates enhancement pathway while effectively inhibiting crossover, thus expanding potential application cells.

Language: Английский

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Self-healing photoluminescent polymers with photosensitive behavior for information storage and multiple-level dynamic encryption

Chemical Science, Journal Year: 2024, Volume and Issue: 15(33), P. 13306 - 13312

Published: Jan. 1, 2024

A family of light-responsive photoluminescent materials with self-healing properties were obtained and applied in dynamic multi-level information encryption applications.

Language: Английский

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Ultrastrong room-temperature phosphorescence in cucurbit[8]uril-mediated crystalline supramolecules for ratiometric detection of phenethylamine

Science China Chemistry, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 8, 2025

Language: Английский

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Hydrogen‐bonded organic framework membranes through dispersion‐controlled deposition method for efficient CO₂ separation

AIChE Journal, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 11, 2025

Abstract Hydrogen‐bonded organic frameworks (HOFs) feature a highly ordered pore structure, abundant functional groups, and unique solution‐processability, holding great promise in gas separations. In this study, we explored the fabrication of HOF membranes utilizing dispersion‐controlled deposition (DCD) method. To achieve homogeneous dispersion, bulk aggregates were initially dispersed solvent then switched to anti‐solvent generate precipitated nanoparticles. Under vacuum‐assisted assembly, colloidal solution containing nanoparticles was uniformly deposited, intracrystalline defects spontaneously healed during mixed‐solvent evaporation. For first time, polycrystalline fabricated on flexible polymer substrates demonstrated an ultrathin selective layer ~100 nm. The prepared exhibited high separation performance, with CO 2 permeance exceeding 600 GPU /N selectivity 30. This work establishes platform technology for membrane expands families carbon capture membranes.

Language: Английский

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4D Assembly of Time‐dependent Lanthanide Supramolecular Multicolor Phosphorescence for Encryption and Visual Sensing

Advanced Science, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 14, 2025

Abstract Supramolecular dynamic room temperature phosphorescence (RTP) is the focus of current research because its wide application in biological imaging and information anti‐counterfeiting. Herein, a time‐dependent supramolecular lanthanide phosphorescent 4D assembly material with multicolor luminescence including white, which composed 4‐(4‐bromophenyl)‐pyridine salt derivative (G), inorganic clay (LP)/Eu complex pyridine dicarboxylic acid (DPA) reported. Compared self‐assembled nanoparticle G, lamellar G/LP showed double emission fluorescence at 380 nm 516 over time. Within 60 min, lifetime quantum yield increases from none to 7.4 ms 27.53% respectively, achieving emission, due limitation progressive stacking LP electrostatically driven “domino effect.” Furthermore, DPA G/LP/Eu leads time‐resolved colorless purple successfully applied multi‐level logic anti‐counterfeiting efficiently antibiotic selective sensor.

Language: Английский

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Photoresponsive lanthanide luminescent materials

Journal of Materials Chemistry C, Journal Year: 2024, Volume and Issue: 12(29), P. 10759 - 10774

Published: Jan. 1, 2024

This review introduces the response mechanism of photoresponsive lanthanide luminescent materials. In particular, various applications in actuators, photoswitches, intelligent anticounterfeiting, and theranostics are highlighted.

Language: Английский

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Luminescent Lanthanide Hydrogen-Bonded Organic Frameworks for Rapid Detection of Benzophenone-3

Sensors and Actuators B Chemical, Journal Year: 2024, Volume and Issue: 416, P. 136042 - 136042

Published: May 27, 2024

Language: Английский

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A thermo-responsive luminescent HOF of lanthanide-functionalized self-supporting network for the ratiometric thermometer☆

Journal of Rare Earths, Journal Year: 2024, Volume and Issue: unknown

Published: June 1, 2024

Language: Английский

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Hydrogen‐Bonded Organic Framework and Metal–Organic Framework Assembly of Waterwheel PgC‐Noria Molecule: Regulating Microstructure Enables Iodine Transfer

Small, Journal Year: 2024, Volume and Issue: unknown

Published: Nov. 16, 2024

Abstract Hydrogen‐bonded organic frameworks (HOFs) are a type of crystalline porous materials self‐assembled from or metal–organic building blocks via intermolecular hydrogen bonding, which have received increasing attention due to their reversible and flexible bonding properties. Currently, it remains challenge construct HOFs based on complex cages as molecular blocks. Herein, 3D HOF ( PgC‐HOF ) featuring honeycomb‐shaped channels is crafted utilizing sizable waterwheel‐like PgC‐noria molecule cage. The pivotal role multipoint interactions in upholding structural integrity stability underscored by the possession 36 phenolic hydroxyl groups . Interestingly, introduction calcium ions into reaction system results formation framework PgC‐MOF ), with channel dimensions 6.8 9.1 Å. Furthermore, I 2 sorption/release experiments conducted , achieving an increase optimal adsorption amount 1.45 2.19 g −1 transition irreversible adsorbent adsorbent.

Language: Английский

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