Three new three-dimensional (3D) porous Zn(II)-based metal–organic frameworks (MOFs), namely, [Zn4O(L)2(NMP)2(H2O)]·2NMP·2H2O (1), [Zn(HL)(bpe)0.5]·DMF·H2O (2), and [Zn(HL)(bipy)0.5]·DMF·H2O (3) [bpe = 1,2-di(pyridin-4-yl)ethene, bipy 4,4′-bipyridine], were successfully synthesized by 5′-carboxyl-(1,1′-3′,1″-terphenyl)-4,4″-dicarboxylic acid (H3L). Sing-crystal X-ray diffraction shows that complex 1 is a twofolded interpenetrated 3D framework possessing the [Zn4O(COO)6] secondary building...

Three new solvent-induced metal-organic frameworks (MOFs)-[Cd(H2L)(H2O)3]·NMP (), [Cd3(L)(H2O)4(OH)2] () and [Cd(L)0.5(H2O)]·H2O ()-were designed successfully prepared via solvothermal reaction by multidentate phenyltetracarboxylic acid [1,1':4',1''-terphenyl]-2',3,3'',5'-tetracarboxylic (H4L) Cd(ii) salts in various solvent systems. Structural analyses indicated that the H2L/L ligands took three different coordination fashions , thus resulted diversity of targeted MOFs. Solid-state...

A novel praseodymium-selenium connecting selenotungstates [Pr2.5(SeO)(SeO3)0.25(mal)(W4O9)(SeW8O32)(SeW9O33)2(H2O)4]16- (BC-Pr) (H3mal = DL-malic acid) was synthesized in acidic aqueous solution. The skeleton of BC-Pr is formed by two {SeW9} and one {SeW8} building...

The encapsulation of viologen derivatives in metal‐organic frameworks (MOFs) to construct host‐guest materials has been widely discussed owing their distinctive spatial arrangement and physical/chemical properties. Herein, three new photochromic MOFs (NWM‐1‐3) have successfully synthesized by 1,1,2,2‐Tetra(4‐carboxylphenyl)ethylene (H4TCPE) ligand as well different based on strategy. Remarkably, NWM‐1‐3 exhibit a notable reversible photochromism change from yellow green under 365 nm UV...

Four super water-stable isostructural lanthanide-organic frameworks, [Ln(HL)(H2O)2]n·2H2O (1-Ln) (Ln = Eu, Tb, Nd and Sm), have been successfully synthesized under hydrothermal conditions with 3,5-di(2,4-dicarboxylphenyl)pyridine (H4L) Ln(NO3)3·6H2O. 1-Ln shows a novel 2D layered structure uncoordinated carboxylic pyridyl groups pointing to the interior of interlayer channels. The luminescent properties 1-Eu in solid state one steeped aqueous solution measured, which show excellent...

Metal–organic frameworks (MOFs) have become a rapidly expanding research topic in the fields of synthetic chemistry and materials science recent years. Entanglement is often considered to be an important phenomenon MOFs. Currently, large number entangled metal–organic (EMOFs) been yielded documented well literature. The structure–property relationships EMOF can directed fine-tuned not only by starting materials, i.e. metal ions/clusters organic ligands, but also various reaction conditions,...

Three new Cd(ii)-MOFs, [Cd(L1)0.5(bpp)] (), [Cd(L1)0.5(bipy)] and [Cd(L2)0.5(bipy)] () [H4Ln = (1,1':4',1''-terphenyl)-2',x,x'',5'-tetracarboxylic acid (n 1, x 3, n 2, 4), bpp 1,3-di(4-pyridyl)propane, bipy 2,2'-bipyridine], have been synthesized using Cd(ii) ions isomeric H4Ln ligands in the presence of auxiliary via solvothermal reaction, fully characterized by elemental analysis, FT-IR spectroscopy, powder X-ray diffraction (PXRD), thermogravimetric analysis (TGA). Complex is a...

Eight new d10 metal−organic coordination polymers, [Zn(mip)(bpa)]n (1), [Zn(mip)(bpp)]n (2), [Cd(mip)(bpp)]n (3), [Zn2(tbip)2(bpa)(H2O)]n (4), [Zn2(tbip)2(dpe)(H2O)]n (5), {[Zn(tbip)(bpp)]·H2O}n (6), {[Cd(tbip)(bpp)(H2O)]·3H2O}n (7), and {[Cd(tbip)(H2O)(bipy)0.5]·H2O}n (8) were prepared through hydrothermal reactions of H2mip or H2tbip (H2mip = 5-methylisophthalic acid 5-tert-butylisophthalic acid) with different pyridyl-containing ligands (bpa 1,2-bis(4-pyridyl)ethane, bpp...

Herein, three Cd(<sc>ii</sc>)-based MOFs were assembled, and the complex <bold>3</bold> showed a high selectivity in detection of nitrobenzene Fe³⁺.

A first new porous d–p HMOF has been yielded by the monometallic MOF as precursor. The results of gas sorption and CO₂cycloaddition indicate that this work may supply an effective approach to obtain functional materials.

Two novel porous MOFs have been constructed and highly sensitive sensor to Fe³⁺. The quenching mechanisms are studied the dynamic static for discussed.

This work mainly reviews the recent progresses in luminescent metal–organic frameworks (LMOFs) as sensors for detecting various metal ions and anions aqueous solutions.

We developed a microporous anionic metal–organic framework for chemically modified electrode material. The shows an excellent selectivity, high stability and sensitivity, wide linear range lower detection limit Cu²⁺ ion.

This work focuses on the design of multifunctional lanthanide MOFs platform for smart sensing methylmalonic acid (MMA) and anti-counterfeiting applications. The enables intuitive detection MMA in urine to further infer vitamin B 12 levels.

In recent years, the irrational use of antibiotics has become very widespread. It is necessary to regulate this phenomenon through antibiotic detection. work, a series isomorphic Ln-MOFs (Ln = Tb3+ and Eu3+) were synthesized from 1,3,5-tri(4-carboxyphenyl)benzene (H3L) Ln3+ by solvothermal method for first time. A 1-EuxTb1-x with different luminescence doped changing molar ratio Eu3+. forms 4-connected 2D network structure self-assembly fully deprotonated L3-. shows good chemical stability...

A series of 2D {RE 9 }-cluster-based rare-earth MOFs were built by dimensional reduction and active site addition strategies. They exhibit excellent catalytic activity in CO 2 fixation Knoevenagel condensation under mild conditions.

The encapsulation of viologen derivatives in metal‐organic frameworks (MOFs) to construct host‐guest materials has been widely discussed owing their distinctive spatial arrangement and physical/chemical properties. Herein, three new photochromic MOFs (NWM‐1‐3) have successfully synthesized by 1,1,2,2‐Tetra(4‐carboxylphenyl)ethylene (H4TCPE) ligand as well different based on strategy. Remarkably, NWM‐1‐3 exhibit a notable reversible photochromism change from yellow green under 365 nm UV...

A series of new metal–organic frameworks (MOFs), [Zn(1,2-pda)(bipy)(H2O)2]n (1), [Zn(1,3-pda) (bipy)(H2O)]n·nH2O (2), [Zn(1,4-pda)(bipy)]n·nCH3OH (3), [Zn(1,2-pda)(dpe)]n·3nH2O (4), and [Zn(1,3-pda)(bpa)]n·2nH2O (5) [H2pda = phenylenediacetic acid, bipy 4,4′-bipyridine, dpe 1,2-di(4-pyridyl)ethylene, bpa 1,2-bis(4-pyridyl)ethane] have been synthesized structurally characterized. The structure determination reveals that complex 1 is a 2D layered network exhibits typical (4,4) topological net,...

Two series of new lanthanide complexes, {[Ln(L)1.5(H2O)]·DMA·4H2O}n (1-Ln, Ln = Tb, Gd, and Dy) {[La2(L)3]·4H2O}n (2-La), were prepared successfully by Ln3+ ions a N-heterocyclic dicarboxylic (2-pyrimidin-5-yl)terephthalic acid (H2L) ligand. The four complexes are three-dimensional (3D) microporous frameworks with different secondary building units (SBUs) exposed Lewis base active sites. Topology analyses reveal that 1-Ln the binodal (3,8)-connected tfz-d (43)2(46·618·84) nets 2-La is...