Highly Luminescent Lanthanide Metal‐Organic Frameworks with Tunable Color for Nanomolar Detection of Iron(III), Ofloxacin and Gossypol and Anti‐counterfeiting Applications

Angewandte Chemie International Edition, Journal Year: 2023, Volume and Issue: 62(35)

Published: July 7, 2023

Solvothermal reaction of 5,5'-(pyridine-2,6-diylbis(oxy))diisophthalic acid (H4 L) with europium(III) or terbium(III) nitrates in acetonitrile-water (1 : 1) at 120 °C gave rise to isostructural 2D coordination polymers, [Ln(HL)(H2 O)3 ]∞ (NIIC-1-Eu and NIIC-1-Tb), the layers which are composed by eight-coordinated lanthanide(III) ions interconnected triply deprotonated ligands HL3- . The packed crystal without any specific intermolecular interactions between them, allowing facile preparation stable water suspensions, NIIC-1-Tb exhibited top-performing sensing properties through luminescence quenching effect exceptionally low detection limits towards Fe3+ (LOD 8.62 nM), ofloxacin (OFX) antibiotic 3.91 nM) cotton phytotoxicant gossypol 2.27 nM). In addition limit high selectivity, features fast response (within 60-90 seconds), making it superior other MOF-based sensors for metal cations organic toxicants. photoluminescence quantum yield was 93 %, one highest among lanthanide MOFs. Mixed-metal polymers NIIC-1-Eux Tb1-x demonstrated efficient photoluminescence, color could be modulated excitation wavelength time delay emission monitoring 1 millisecond). Furthermore, an original QR-coding scheme designed anti-counterfeiting labeling goods based on unique tunable spectra NIIC-1-Ln polymers.

Language: Английский

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Structural features of lanthanide coordination polymers with catalytic properties

Journal of Molecular Structure, Journal Year: 2024, Volume and Issue: 1304, P. 137687 - 137687

Published: Feb. 2, 2024

Language: Английский

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Regulating the Energy Level of a Ratiometric Luminescent Europium(III) Metal–Organic Framework Sensor with Smartphone Assistance for Real-Time and Visual Detection of Carcinoid Biomarker

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

Published: Feb. 18, 2025

Regulating the energy level of a lanthanide (III) metal–organic framework (Ln-MOF) via an "antenna effect" is effective strategy for achieving ratiometric luminescent dynamics carcinoid biomarker sensing application. Herein, we present europium-based MOF material {[Eu(BPDC)(μ3–OH)(H2O)2]·2.5H2O}n (Eu-MOF, H2BPDC = 2,2′-bipyridine-4,4′-dicarboxylic acid and DMF N,N-dimethylformamide), incorporating tetranuclear cubane-like [Eu4(μ3–OH)4(COO)4]4– cluster cores, 5-hydroxyindole-3-acetic (5-HIAA) detection through influence Eu3+ ions sensitized by ligands as well 5-HIAA. Luminescence titration experiments indicate Eu-MOF can demonstrate simultaneous luminescence emission signals cations 5-HIAA, resulting in on–off 5-HIAA response to concentrations demonstrating superior stability excellent performance such low limit (LOD 37.16 nM), high selectivity (Ksv 2.39 × 104 M–1), fast (≤1 min), attractive recyclability (≥five times). Derived from contribution competitive absorption coordination interactions between exhibits visually observable color change red purple naked eye illuminated ultraviolet light, confirmed fabrication portable hydrogels. More importantly, smartphone assistance based on RGB chromaticity analysis has been developed intelligent Eu-MOF@PVA Eu-MOF@PU films have proposed real-time visual thereby enhancing practical applicability quantitative trace

Language: Английский

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Ultra-low limit of luminescent detection of gossypol by terbium(III)-based metal-organic framework

Journal of Hazardous Materials, Journal Year: 2023, Volume and Issue: 452, P. 131289 - 131289

Published: March 28, 2023

Language: Английский

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Ratiometric Fluorescence Thermometry, Quantitative Gossypol Detection, and CO₂ Chemical Fixation by a Multipurpose Europium (III) Metal–Organic Framework

Inorganic Chemistry, Journal Year: 2023, Volume and Issue: 62(35), P. 14168 - 14179

Published: Aug. 22, 2023

A lanthanide-based molecular crystalline material endows metal–organic frameworks (MOFs) with many fascinating applications such as fluorescence detection and CO2 chemical fixation. Herein, we describe study a multipurpose europium(III) MOF the formula of {[Eu2(TATAB)2]·2.5H2O·2DMF}n (Eu-MOF) (where H3TATAB is 4,4′,4″-((1,3,5-triazine-2,4,6-triyl)tris(azanediyl))tribenzoic acid ligand) for photoluminescence sensor matrix This Eu-MOF features 1D square channels along c direction pore size ca.14.07 Å × 14.07 Å, occupied by lattice water DMF molecules. The obtained can achieve simultaneous luminescence ligand Eu3+ ions, which be developed ratiometric thermometry. demonstrates an obvious color change from red to yellow temperature rises 303 373 K has satisfying relative sensitivity 3.21% K–1 small uncertainty 0.0093 at 333 K. Moreover, sensitive gossypol was achieved quenching constant Ksv 1.18 105 M–1 limit 4.61 μM. combination competitive absorption photoinduced electron transfer caused host–guest interactions strengthened π–π packing effect synergistically between molecules skeleton realizes "turn-off" sensing gossypol. Importantly, nature allows showing fixation under mild conditions. Thus, utilized thermometry, quantitative detection,

Language: Английский

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Construction of a novel Eu-MOF material based on different detection mechanisms and its application in sensing pollutants aniline, F- and Hg2+

Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy, Journal Year: 2024, Volume and Issue: 314, P. 124223 - 124223

Published: April 1, 2024

Language: Английский

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Fluorescence sensing and device fabrication with luminescent metal–organic frameworks

Dalton Transactions, Journal Year: 2023, Volume and Issue: 53(2), P. 394 - 409

Published: Nov. 13, 2023

Recent progress in luminescent metal–organic frameworks for detecting ions, volatile organic compounds, biomolecules and environmental toxins device fabrication has been reviewed.

Language: Английский

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Stable Europium(III) Metal–Organic Framework Fluorescence Probe for Intelligent Visualization Detection of Gossypol and Nitrofuran Antibiotics in Real Samples

Inorganic Chemistry, Journal Year: 2024, Volume and Issue: 63(32), P. 15134 - 15143

Published: July 29, 2024

Gossypol (Gsp) and antibiotics present in water bodies become organic pollutants that are harmful to human health the ecological environment. Accurate effective detection of these has far-reaching significance many fields. A new three-dimensional metal-organic framework (MOF), {[Eu

Language: Английский

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Metal/Covalent Organic Framework Encapsulated Lead-Free Halide Perovskite Hybrid Nanocatalysts: Multifunctional Applications, Design, Recent Trends, Challenges, and Prospects

ACS Omega, Journal Year: 2024, Volume and Issue: 9(32), P. 34220 - 34242

Published: Aug. 1, 2024

Perovskites are bringing revolutionization in a various fields due to their exceptional properties and crystalline structure. Most specifically, halide perovskites (HPs), lead-free (LFHPs), perovskite quantum dots (HPs QDs) becoming hotspots unique optoelectronic properties, low cost, simple processing. HPs QDs, particular, have excellent photovoltaic applications because of tunable emission, high photoluminescence yield (PLQY), effective charge separation, cost. However, practical the QDs family some limitations such as degradation, instability, deep trap states within bandgap, structural inflexibility, scalability, inconsistent reproducibility, environmental concerns, which can be covered by encapsulating into porous materials like metal–organic frameworks (MOFs) or covalent–organic (COFs) that offer protection, prevention aggregation, optical flexibility structure, enhanced biocompatibility, improved stability under harsh conditions, consistency production quality, efficient separation. These advantages MOFs-COFs help harness full potential for applications. This review mainly consists three parts. The first portion discusses perovskites, dots. In second portion, we explore MOFs COFs. third particular emphasis is given thorough evaluation development QDs@MOFs-COFs based comprehensive investigations next-generation intended diverse technological applications, CO2 conversion, pollutant hydrogen generation, batteries, gas sensing, solar cells. Finally, this will open new gateway synthesis perovskite-based

Language: Английский

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Luminescent Metal-Organic Framework with 2,1,3-Benzothiadiazole Units for Highly Sensitive Gossypol Sensing

Chemosensors, Journal Year: 2023, Volume and Issue: 11(1), P. 52 - 52

Published: Jan. 7, 2023

A new metal–organic framework based on cadmium(II) cations, di(p-carboxyphenyl)sulphone and 4,7-di(imidazol-1-yl)-2,1,3-benzothiadiazole was prepared, its crystal structure determined using single-crystal XRD analysis. MOF demonstrated bright luminescence with a maximum near 500 nm quantum yield reaching 20%. In addition, this sensing properties towards antibiotics toxic natural polyphenol gossypol through effective quenching in an ethanol suspension. The detection limit for among the lowest reported so far (0.65 µM), did not significantly change interference experiments cottonseed oil as background, indicating possibility of sensor determination real-life samples.

Language: Английский

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