Correction for ‘Towards the use of metal–organic frameworks for water reuse: a review of the recent advances in the field of organic pollutants removal and degradation and the next steps in the field’ by Elton M. Dias et al., J. Mater. Chem. A, 2015, 3, 22484–22506.

/pdf/towards-the-use-of-metal-organic-frameworks-for-water-reuse-3fv15edw42.pdf

Towards the use of metal–organic frameworks for water reuse: a review of the recent advances in the field of organic pollutants removal and degradation and the next steps in the field

A new luminescent terbium-metal-organic framework [Tb3(L)2(HCOO)(H2O)5]·DMF·4H2O (1) (H4L = 4,4'-(pyridine-3,5-diyl)diisophthalic acid) has been successfully assembled by Tb(3+) ions and an undeveloped pyridyl-tetracarboxylate. Compound 1 exhibits a 3D porous (3,8)-connected (4.5(2))2(4(2).5(12).6(6).7(5).8(3)) topological framework with fascinating 1D open hydrophilic channels decorated by uncoordinated Lewis basic pyridyl nitrogen atoms. In particular, the Tb-MOF (1) can detect Cu(2+) ions with high selectivity and sensitivity, and its luminescence is nearly entirely quenched in N,N-dimethylformamide (DMF) solution and biological system. In addition, 1 still has high detection for the trace content of nitromethane with 70 ppm, which suggests that 1 is a promising example of dual functional materials with sensing copper ions and nitromethane.

A Robust Luminescent Tb(III)-MOF with Lewis Basic Pyridyl Sites for the Highly Sensitive Detection of Metal Ions and Small Molecules.

Adsorptive and photocatalytic removal of Persistent Organic Pollutants (POPs) in water by metal-organic frameworks (MOFs)

Metal–organic frameworks (MOFs), with diverse framework architectures, have evolved as next-generation utility multifunctional hybrid materials. One of the key features of MOFs is their luminescence properties, which can be generated from the building ligands, emissive metal ions, guest ions, or molecules used to construct them as well as from their catalytic activities. MOFs with luminescent properties have been used as excellent platforms for designing luminescent sensors. Their chemically tailorable framework with specific host–guest interactions plays an important role in selectively sensing metal ions, small organic molecules, and biomolecules. This review intends to summarize the recent advances in the construction of MOF-based sensors for chemical sensing and biosensing. Specially, we focus on the fabrication strategies of MOF-based luminescent sensors, and summarize their sensing mechanisms in detail. Also, the major challenges and constraints for this research field are discussed.

Strategies to fabricate metal–organic framework (MOF)-based luminescent sensing platforms

By using a controllable pillared-layer method, a novel visible-light responsive metal–organic framework (MOF) photocatalyst NNU-36 has been rationally constructed. The synthesized NNU-36 is of broad-range visible light absorption and good chemical stability which are beneficial to its application of photocatalysis. Photocatalytic experiments reveal that NNU-36 is highly efficient for Cr(VI) reduction and dye degradation in aqueous solution under visible light irradiation. Control experiments show that the pH value is vital for Cr(VI) reaction, and meanwhile, the use of hole scavenger of methanol promotes the photocatalytic reduction significantly. It has been also demonstrated that NNU-36 is efficient for dye degradation, in which the introduction of hydrogen peroxide (H2O2) significantly enhances the photocatalytic efficiency of dye degradation. This study illustrates that the introduction of hole scavengers or oxidants in the MOF-mediated photocatalytic reaction is a feasible approach to enhance the cat...

Construction of Pillared-Layer MOF as Efficient Visible-Light Photocatalysts for Aqueous Cr(VI) Reduction and Dye Degradation

Presented here are two novel (3,6)-connected porous metal–organic frameworks (MOFs) formulated as [Co3(BPT)2(DMF)(bpp)]·DMF (1) and [(CH3)2NH2][Cu(BPT)]·DMF·2H2O (2) (H3BPT = biphenyl-3,4′,5-tricarboxylic acid, bpp = 1,3-bis(4-pyridyl)propane). Compound 1 has a 3D neutral framework decorated with one-dimensional hydrophobic channels (diameter 8.778(7) A) while compound 2 has an anionic framework containing one-dimensional hydrophilic channels with a diameter of 8.688(5) A. Interestingly, compound 1 shows promising visible-light-driven photocatalytic activity for the degradation of RhB while compound 2 exhibits high intake capacities for CO2 (11.90 wt%) and H2 (1.23 wt%), respectively. In addition, temperature-dependent magnetic susceptibility measurements indicated that both 1 and 2 display dominant antiferromagnetic coupling among the adjacent Co(II)/Cu(II) centers.

Two (3,6)-connected porous metal–organic frameworks based on linear trinuclear [Co3(COO)6] and paddlewheel dinuclear [Cu2(COO)4] SBUs: gas adsorption, photocatalytic behaviour, and magnetic properties

A bifunctional luminescent Tb(III)-metal-organic framework by a tetracarboxylate ligand for highly selective detection of Fe3+ cation and Cr2O72- anion

The invention belongs to the field of fluorescence detection materials, and particularly relates to a preparation method of a rare earth terbium-based metal organic framework material and study on the performance of selectively recognizing heavy chromate ions in water. By selecting rare earth terbium emitting green light as metal central ions and selecting p-terphenyl-3,3'',5,5''-tetramethyl acid as organic sensitized ligands, a rare earth porous metal organic framework compound is synthesized under the hydrothermal condition. The compound causes the most obvious fluorescence quenching phenomenon to Cr2O72- anions in different anion solutions, and thus the compound can serve as a novel fluorescence probe for detecting Cr2O72- anions.

Terbium-based metal organic framework material, preparation method and application of terbium-based metal organic framework material

Utilization of mixed ligands to construct diverse Ni(II)-coordination polymers based on terphenyl-2,2′,4,4′-tetracarboxylic acid and varied N-donor co-ligands

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Two (3,6)-connected porous metal–organic frameworks based on linear trinuclear [Co3(COO)6] and paddlewheel dinuclear [Cu2(COO)4] SBUs: gas adsorption, photocatalytic behaviour, and magnetic properties

A bifunctional luminescent Tb(III)-metal-organic framework by a tetracarboxylate ligand for highly selective detection of Fe3+ cation and Cr2O72- anion

Terbium-based metal organic framework material, preparation method and application of terbium-based metal organic framework material

Utilization of mixed ligands to construct diverse Ni(II)-coordination polymers based on terphenyl-2,2′,4,4′-tetracarboxylic acid and varied N-donor co-ligands