Two metal–organic frameworks [Zn2(Tipa)2(OH)]·3NO3·12H2O (FIR-53, FIR denotes Fujian Institute of Research, Tipa = tris(4-(1H-imidazol-1-yl)phenyl)amine)) and [Zn(Tipa)]·2NO3·DMF·4H2O) (FIR-54) with large nanotubular channels were synthesized via Zn(II) ions coordinate the neutral ligand. The framework FIR-53 contains 1D along c axis a cross section 18 × 13 Å2. FIR-54 also consists 10.5 Å2 open windows. These porous materials efficiently trap Cr2O72– inorganic pollutant...

From the perspective of chromophore, 1,1,2,2-tetrakis(4-(pyridin-4-yl)phenyl)ethane (TPPE) with π-electron-rich tetraphenylethylene (TPE) and aggregation induced emission feature is selected as functional ligand to construct fluorescent metal–organic frameworks. Three luminescent MOFs (1–3) have been successfully synthesized. Through combining 4,4′,4″-nitrilotrisbenzoic acid (H3TNB) electron-donor triphenylamine (TPA), highly porous pillared-layer compound 1 [Zn3(TPPE)1/2(TNB)2](4DMA·7H2O)...

A Ternary composite UiO-66/CdS/1% reduced graphene oxide (RGO) was successfully prepared, with a photocatalytic hydrogen evolution rate 13.8 times as high that of pure commercial CdS. It shows great advantages over the perfect photocatalyst-P25/CdS/1%RGO.

A dual-emitting MOF-based sensor <bold>1⊃HPTS</bold> was prepared through encapsulating the dye HPTS <italic>via</italic> an ion-exchange approach. exhibits a broad response to nitro compounds including nitroaromatic explosives, aliphatic nitro-explosives and nitro-containing antibiotics.

A water-stable cationic MOF could be used as a single crystal container to capture Cr(vi)-oxyanions via ion exchange with high capacity and selectivity. It is the first report that demonstrates CrO42- ions traced confirmed single-crystal (SC-SC) pattern.

The highly porous luminescent metal–organic frameworks (MOFs) can act as fluorescent probes for the detection of nitro compounds and also serve containers energy transfer platforms to construct host–guest systems. Herein, two new three-dimensional MOFs with high porosity were prepared successfully by electron-rich tetrakis(4-pyridylphenyl)ethylene (tppe) ligands. Compound 1 shows sensitivity selectivity toward nitro-antibiotics in an aqueous media, particularly showing best efficiency...

Abstract Exploiting the chirality transfer and amplification in hierarchical chiral systems by visible accurate structures is still a challenge. Herein, pair of homochiral metal‐organic frameworks (MOFs) DCF‐12 LCF‐12 with high rigidity porosity are synthesized via reticular chemistry. Interestingly, these two enantiomers can act as nano‐containers, which four chromophores, covering acridine, pyrene, 9,10‐Bis(phenylvinyl) anthracene (BPEA), coronene be introduced situ encapsulation....

Comprehensive Summary The crystallization of chiral molecules is great significance to understand the origin and evolution hierarchical chirality reveal relationships between structural circularly polarized luminescence (CPL) activity. Here, we report two pairs metal–organic frameworks (MOFs) (DCF‐17/LCF‐17, DCF‐18/LCF‐18) by utilizing tetradentate ligands tetra(3‐imidazoylphenyl)ethylene (TIPE) 4,4'‐[4',5'‐bis[4‐(4‐pyridinyl)phenyl][1,1':2',1”‐terphenyl]‐4,4”‐diyl]bis[pyridine] (TPPP) as...

A cobalt imidazolate (im) framework material [Co(im)2]n was employed to use as a trimethylamine (TMA) gas sensor and the can be easily fabricated by using Ag–Pd interdigitated electrodes. Gas sensing measurement indicated that shows excellent selectivity, high response low detection limit level of 2 ppm TMA at 75 °C. The good selectivity based on may attributed weak interaction between molecules framework. That provide an ideal candidate for detecting freshness fish seafood.

A water-stable porous anionic metal–organic framework (MOF), [(CH₃)₂NH₂][In(TNB)_4/3]·(2DMF)(3H₂O) (<bold>1</bold>, H₃TNB = 4,4′,4′′-nitrilotribenzoicacid), was synthesized.

Three isostructural metal-organic frameworks denoted as Zn(L)(aip)·(H2O) (1), Zn(L)(ip)·(DMF)(H2O)1.5 (2), and Zn(L)(HBTC)·(H2O)2 (3) with functional groups -NH2, -H -COOH, respectively, decorated on the 1D channels have been rationally designed purpose of exploring influence electron transfer from organic ligands in sensing nitro explosives antibiotics. These three compounds exhibit strong fluorescence water, they can be applied to detect presence or antibiotics by means quenching aqueous...

Abstract Optical materials with circularly polarized luminescence and room temperature phosphorescence currently attract great attention owing to their unique optoelectronic properties. Herein, via the coordination‐induced assembly strategy, a homochiral metal–organic framework (MOF) 1 high stability porosity is successfully synthesized by using achiral triphenylamine‐based molecule as building block. Remarkably, MOF shows at simultaneously, also excellent anisotropic optical Furthermore,...

Abstract A three‐dimensional microporous anionic metal–organic framework (MOF) (Et 4 N) 3 [In (TATB) ] ( FJI‐C1 , H TATB=4,4′,4′′‐ s ‐triazine‐2,4,6‐triyltribenzoic acid) with large unit cell volume has been synthesized. Assisted by the organic cation group Et N in pores of compound, not only shows high adsorption uptakes C 2 and hydrocarbons, but also exhibits highly selective separation propane, acetylene, ethane, ethylene from methane at room temperature. Furthermore, it selectivity for...

One neutral tripodal semi-rigidity ligand tri(4-imidazolylphenyl)amine (TIPA) with excellent hole-transfer nature, was selected as a linker to construct MOFs. Two two-dimensional (2D) microporous metal-organic frameworks (MOFs) were synthesized solvothermally: [Ni(TIPA)(COO-)2(H2O)]·2(DMF)2(H2O) (1) and [Cd(TIPA)2(ClO4-)2]·(DMF)3(H2O) (2). Compound 1 incorporated carboxylic groups into the channel exhibited high capacity of light hydrocarbons well remarkable selectivity C2H2/CH4. The value...

Chirality inversion modulation is of great importance in the preparation chiroptical materials. The rational use stoichiometry mixed ligands chiral metal–organic frameworks (MOFs) to induce enantiomeric space groups a crucial topic structural chemistry. However, no remarkable results have been reported yet. In this work, we synthesized MOFs through assembly camphoric acid (d/l-cam) and achiral tetradentate ligands. Interestingly, visible single-crystal structures confirmed that chirality can...

Triply interlocked [2]catenane complexes featuring two identical, mechanically units are extraordinarily rare chemical compounds, whose properties and applications remain open to detailed studies. Herein, we introduce the rational design of a new ligand precursor, L1, suitable for synthesis six triply [2]catenanes by coordination-driven self-assembly. The compounds can be reversibly converted into corresponding simple triangular prism metallacage addition H

In this study, a water stable metal–organic framework FIR-53 is applied as single-crystal container for anion exchange. The exceptional chemical stability and low crystallographic symmetry of makes it possible to determine anionic guests. Through ion exchange (SC–SC) transformation, 8-hydroxypyrene-1,3,6-trisulfonate (SG7, solvent green 7, form SG73–) introduced into the pores obtain SG7@FIR-53. Because spatial confinement partition effect, SG7@FIR-53 shows bright exciter emission SG7 ions....

By employing a tris(4-(1H-imidazol-1-yl)phenyl)amine (Tipa) ligand, three new metal-organic frameworks, [Zn2(Tipa)(4,4'-bpdc)1.5(H2O)(NO3)]·2(DMF)·H2O (1; 4,4'-bpdc = 4,4'-biphenyldicarboxylate, DMF N,N-dimenthylformamide), [Cd(Tipa)Cl2]·2(DMF)·H2O (2), and [Co(Tipa)Cl2(H2O)]·DMF·H2O (3), have been synthesized solvothermally. Compound 1 features three-dimensional (3D) pillared-layer structure with low band gap interesting photocatalytic properties. 2 is 2-fold interpenetrating...

Successful development of a new synthetic approach towards zeolitic tetrazolate-imidazolate frameworks (ZTIFs) via combining tetrazolates into the zinc-imidazolate leads to ZTIF materials (ZTIF-1 and ZTIF-2) with zeolite-type topologies uncoordinated N-heteroatom sites, which exhibit high CO2 uptake capacity.

The construction of circularly polarized luminescence (CPL) materials with high porosity and rigidity is still challenging. Herein, we propose a chiral reticular chemistry strategy to prepare the homochiral porous metal-organic frameworks (MOFs) as CPL-active materials. Two pairs enantiomeric MOFs are synthesized through self-assembly D/L-cam (DL-camphorates) achiral fluorescent ligand TPB (1,2,4,5-tetra(pyridin-4-yl)benzene). glum values Cd-CMOF-D Cd-CMOF-L were up 0.010 0.009; could be...

A pair of predesigned proline derivative ligands was used to construct a homochiral metal–organic frameworks with high porosity.