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- W4206144393 abstract "• MOF-1 crystals were in situ grown on MF by one-pot method to form MOF-1 @MF composite. • MOF-1a exhibited selective discrimination of NFZ, NFT, TNP, and Cr 2 O 7 2− . • MOF-1 @MF showed enhanced adsorption capacity for NFZ, NFT, TNP, and Cr 2 O 7 2− than MOF. Water pollution has become one of the most worrisome environmental problems due to its harmful to human health and environmental safety. Thus, the design and development of robust and porous materials for detection and removal of pollutants from wastewater is extremely significant. Herein, a water-stable urea-containing 3D Cd-based metal-organic framework (MOF), {[Cd(L) 0.5 (bpe) 0.5 (H 2 O)]· x (solv)} n ( MOF-1 ) (H 4 L = 5,5′-(((1,4-phenylenebis(azanediyl))bis(carbonyl))bis(azanediyl))diisophthalic acid) was prepared using urea-functionalized tetracarboxylate H 4 L ligand. The activated MOF-1 ( MOF-1a ) showed fast, sensitive, selective, and recyclable discrimination of nitrofurazone (NFZ) and nitrofurantoin (NFT) antibiotics, 2,4,6-trinitrophenol (TNP) explosive, as well as Cr 2 O 7 2− by strong luminescence quenching and obvious red-shift of maximum emission. Unfortunately, MOF-1a has low adsorption capacity for the above pollutants owing to its small pore. To improve this disadvantage, MOF-1 crystals were in situ grown on the macroporous melamine foam (MF) by a facile one-pot solvothermal method, generating a MOF-1 @MF composite with stability and high voids. The MOF-1 @MF exhibited rapid, enhanced, and recyclable adsorption capacity toward NFZ, NFT, TNP, and Cr 2 O 7 2− in water or even aqueous solutions with different pH values. Combination of the accessible functional sites in MOF-1 and macroporous structure of MF makes MOF-1 @MF composite stand out as an excellent adsorbent in wastewater treatment. This work not only presents a water-stable MOF for selective recognition of NFZ, NFT, TNP, and Cr 2 O 7 2− , but also provides a facile one-pot strategy to prepare MOF-based composites for high-performance removal of above pollutants from water, promoting their practical application in water quality monitoring and wastewater purification." @default.
- W4206144393 created "2022-01-26" @default.
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- W4206144393 date "2022-04-01" @default.
- W4206144393 modified "2023-10-12" @default.
- W4206144393 title "A water-stable Cd-MOF and corresponding MOF@melamine foam composite for detection and removal of antibiotics, explosives, and anions" @default.
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- W4206144393 doi "https://doi.org/10.1016/j.seppur.2021.120433" @default.
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