Photochromic crystalline hybrid materials with switchable properties: Recent advances and potential applications

Coordination Chemistry Reviews, Год журнала: 2022, Номер 475, С. 214918 - 214918

Опубликована: Окт. 31, 2022

Язык: Английский

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Structural design of metal–organic frameworks with tunable colorimetric responses for visual sensing applications

Coordination Chemistry Reviews, Год журнала: 2021, Номер 446, С. 214102 - 214102

Опубликована: Июль 3, 2021

Язык: Английский

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One-Dimensional Chain Viologen-Based Lanthanide Multistimulus-Responsive Materials with Photochromism, Photoluminescence, Photomagnetism, and Ammonia/Amine Vapor Sensing

ACS Applied Materials & Interfaces, Год журнала: 2022, Номер 14(51), С. 57037 - 57046

Опубликована: Дек. 15, 2022

In this work, a series of novel multistimulus-responsive lanthanide coordination polymers {[LnL(H2O)4]Cl3·3H2O}n (Ln = Dy, Tb, Eu) constructed using dicarboxylic acid viologen derivative L (L N,N'-4,4'-bipyridiniodipropionate) and LnCl3·6H2O were prepared. All materials showed positive responses to UV light, the photochromic phenomena accompanied by significant photoquenching photoluminescence could be observed through photoelectron transfer mechanism. Strikingly, Dy analogue displayed photomagnetic behavior, as well responded positively small molecules inorganic ammonia/organic amines. Furthermore, good photoresponsive ammonia/amine vapor-responsive properties Dy-based material further fulfilled in dual-function papers involving erasable inkless printing visual amine detection applications. This work aims advance development multifunctional incorporating derivates versatile ions enriches research field.

Язык: Английский

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Tuning redox activity in metal–organic frameworks: From structure to application

Coordination Chemistry Reviews, Год журнала: 2024, Номер 517, С. 216004 - 216004

Опубликована: Июнь 21, 2024

Язык: Английский

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Direct Observation of Modulated Radical Spin States in Metal–Organic Frameworks by Controlled Flexibility

Journal of the American Chemical Society, Год журнала: 2022, Номер 144(6), С. 2685 - 2693

Опубликована: Фев. 7, 2022

Owing to their switchable spin states and dynamic electronic character, organic-based radical species have been invoked in phenomena unique a variety of fields. When incorporated solid state materials, generation organic radicals proves challenging due aggregation. Metal-organic frameworks (MOFs) are promising candidates for immobilization stabilization because the tunable spatial arrangement linkers metal nodes, which sequesters reactive species. Herein, flexible, redox-active tetracarboxylic acid linker bearing two imidazole units was chosen construct new Zr6-MOF, NU-910, with scu topology. By exploiting structural flexibility we successfully modulate dynamics between an isolated π-dimer MOF system. Single-crystal X-ray diffraction analysis reveals that through solvent exchange from N,N-diethylformamide acetone, NU-910 undergoes contraction interlinker distances decreasing 8.32 Å 3.20 at 100 K. Organic on bridging generated via UV light irradiation. Direct observation temperature-induced switches magnetically silent after irradiation achieved variable-temperature single-crystal electron paramagnetic resonance spectroscopy. Ultraviolet-visible-near infrared spectroscopy density functional theory calculations further substantiated formation cation upon This work demonstrates potential using flexible MOFs as platform phase.

Язык: Английский

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Dual-functional hydrogen-bonded organic frameworks for aniline and ultraviolet sensitive detection

Chinese Chemical Letters, Год журнала: 2021, Номер 32(10), С. 3109 - 3112

Опубликована: Март 20, 2021

Язык: Английский

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Viologen Guest-Mediated Luminescence Emission Tuning and Photochromic Behavior by a Series of Viologen@Zn-MOF Materials

ACS Applied Materials & Interfaces, Год журнала: 2023, Номер 15(44), С. 51411 - 51420

Опубликована: Окт. 26, 2023

The encapsulation of various guest molecules into the pores metal-organic frameworks (MOFs) to form hybrid materials has attracted significant attention due their unique spatial distribution and certain preferential geometry guests inside MOFs. This arrangement often results in exhibiting physical chemical properties intramolecular interactions with host. In this article, five viologen derivatives were introduced as a Zn-MOF different benzene ring lengths, resulting formation host-guest three-dimensional (3D) compounds exhibited guest-dependent emission wavelength, color, excellent photochromic behavior upon ultraviolet (UV) light radiation distinct electronic transfer π···π stacking between host framework. study provides strategy for designing color-tunable luminescent highly sensitive materials.

Язык: Английский

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Viologen-derived material showing photochromic, visually oxygen responsive, and photomodulated luminescence behaviors

CrystEngComm, Год журнала: 2020, Номер 23(4), С. 1019 - 1024

Опубликована: Дек. 15, 2020

A new 2D viologen-derived Zn(ii) photochromic material exhibits photochromic, visually oxygen responsive, and photomodulated luminescent behaviors.

Язык: Английский

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Three-component D–A hybrid heterostructures with enhanced photochromic, photomodulated luminescence and selective anion-sensing properties

Dalton Transactions, Год журнала: 2020, Номер 49(37), С. 13083 - 13089

Опубликована: Янв. 1, 2020

As an emerging class of hybrid complexes, donor-acceptor (D-A) heterostructures with advantages both photoactive organic and inorganic components have provided excellent platform for the fabrication multifunctional materials. In this context, we demonstrated three novel host-guest D-A heterostructures, {[Ln(BCEbpy)(H2O)4][CoIII(CN)6]·4H2O}n (1 (Eu), 2 (Dy), 3 (Sm)), based on anionic Co(CN)63- cationic coordination layers assembled from a viologen functionalized tecton Ln(NO)3. Due to introduction electron donor, CoIII(CN)63-, unique exhibits highly sensitive reversible photochromic transformation light-yellow brown upon UV-Vis irradiation. More interestingly, accompanied process, 1 simultaneously possesses photomodulated fluorescence behaviour. addition, shows high sensitivity selectivity towards Cr2O72- anions fairly small LOD ca. 9.6 × 10-6 M.

Язык: Английский

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Dual mode in a metal-organic framework based mixed matrix membrane for discriminative detection of amines: Vapoluminescent and vapochromic response

Sensors and Actuators B Chemical, Год журнала: 2021, Номер 343, С. 130066 - 130066

Опубликована: Май 12, 2021

Язык: Английский

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