Abstract A series of highly luminescent‐active metal–organic frameworks (MOFs) 1 – 3 with hierarchical pores have been rationally constructed and fully characterized. The predesigned semi‐rigid hexacarboxylate ligand hexa[4‐(carboxyphenyl)oxamethyl]‐3‐oxapentane acid (H 6 L) has adapted various space‐directed N donors (i.e., 2,2’‐bipyridine, 4,4′‐di(1 H ‐imidazol‐1‐yl)‐1,1′‐biphenyl, 1,3,5‐tri(1 ‐imidazol‐1‐yl)benzene) from a bidentate V‐shape to tridentate Y‐shape. This family...

BiOBr/NH₂-MIL-125(Ti) composite photocatalysts have been prepared by incorporating NH₂-MIL-125(Ti) with BiOBr and exhibited improved photocatalytic activity under visible light compared to pristine NH₂-MIL-125(Ti).

Nanorods-composed yolk-shell bimetallic-organic frameworks microspheres are successfully synthesized by a one-step solvothermal method in the absence of any template or surfactant. Furthermore, hierarchical double-shelled NiO/ZnO hollow spheres obtained calcination bimetallic organic air. The spheres, as supercapacitor electrodes, exhibit high capacitance 497 F g(-1) at current density 1.3 A and present superior cycling stability. electrochemical performance is believed to come from unique...

As a youthful family of crystalline porous materials, metal–organic frameworks (MOFs), assembled by inorganic vertices (metal ions or clusters) and organic ligands, feature ultrahigh porosity, high surface area, synthetic structural tailorability, along with relatively easy synthesis, making them excellent candidates for large number applications. Recently, increasing research interest in the electrochemical fields regard to environment energy has been received. Lots MOFs have designed,...

A series of POMs-based hybrid materials exhibit rapid adsorption rate, high uptake capacity and excellent selective separation towards cationic dye.

Solvothermal reaction of Cd2+ ions and a hexavalent carboxylic acid (H6666666L) afforded Cd(II) metal organic framework (Cd-MOF), namely {[Cd3(L)(H2O)2(DMF)2]·5DMF}n (1). Its structure consists trinuclear CdII building units, which are further bridged by the ligand, resulting in 4,4-connected topological net (sra). By introducing rigid N-donor ligand 1,4-bis(1-imidazolyl)benzene (dib), new Cd-MOF (2) {[Cd3(L)(dib)]·3H2O·5DMA}n was isolated, coordinated sites solvent molecules 1 were...

The luminescent properties of a family lanthanide metal-organic frameworks LnL (Ln=Y, La-Yb, except Pm; L=4,4'-({2-[(4-carboxyphenoxy)methyl]-2-methylpropane-1,3-diyl}bis{oxy})dibenzoic acid) have been explored, and the energy-transfer process in compounds has carefully analyzed. visible-emitting Tb(0.08)Gd(0.92)L near-infrared (NIR)-luminescent Yb(0.10)Gd(0.90)L show excellent optical performances can be considered as fluorescent probes for acetone sensing based on luminescence quenching...

Detecting volatile amines is a significant topic in the quality control of food and medical diagnosis. We report first Eu-coordination polymer (CP) as sensory material for detection class amine vapors with high selectivity rapid response.

The fabrication of two-dimensional (2D) metal–organic frameworks (MOFs) and Prussian blue analogues (PBAs) combines the advantages 2D materials, MOFs PBAs, resolving poor electronic conductivity slow diffusion MOF materials for electrochemical applications. In this work, leaflike zeolitic imidazolate (Co-ZIF Fe-ZIF) as sacrificial templates are in situ converted into realizing successful PBA/ZIF nanocomposites on nickel foam (NF), namely, CoCo-PBA/Co-ZIF/NF, FeFe-PBA/Fe-ZIF/NF,...

The in situ growth of Bi-based metal–organic framework (MOF) (CAU-17) on BiOBr 2D material was prepared for the first time by using a facile solvothermal transformation approach. applied both as template to support MOF and Bi3+ source MOF. BiOBr/CAU-17-2h composite exhibited enhanced photocatalytic activity degradation Rhodamine B (RhB), methylene blue (MB), methyl orange (MO) under visible light irradiation, suggesting good synergy between CAU-17

A porous highly stable MOF luminescent switch exhibits significant fluorescence enhancement and quenching responses for benzene nitrobenzene vapors, respectively.

A novel hierarchical nanoarray material based on a two-dimensional metal-organic framework (Ni-CAT) and layered double hydroxide (NiCo-LDH) was fabricated nickel foam substrate. By taking advantage of the regular nanostructure making full use high porosity excellent conductivity, hybrid exhibits areal capacitance for supercapacitor (3200 mF cm-2 at 1 mA cm-2).

The fabrication of highly efficient and sustainable electrocatalysts used for hydrogen evolution reaction (HER) oxygen (OER) is exceedingly challenging warranted overall water splitting. In this work, we successfully synthesized a series metal–organic frameworks (MOFs), namely, as Fe2M-MOF (M = Fe, Co, Ni, Zn, Mn; H4L 3,3,5,5′-azoxybenzenetetracarboxylic acid) under simple mild condition, in which the Fe3 cluster basic building unit was replaced by second kind metal center; at same time,...

A hierarchical NiO/NiMn-LDH nanosheet array on Ni foam was prepared via a facile two-step approach and exhibited high specific capacitance (937 F g-1 at 0.5 g-1) good cycling stability (91% retention after 1000 cycles 5 g-1). The improved electrochemical performance is benefited from the synergistic properties of NiO/LDH composites conductive substrate.

It is especially essential to develop high-performance and low-cost nonprecious metal catalysts for large-scale hydrogen production. A large number of electrochemical composited by transition centers has been reported; however, it still a great challenge design manipulate target electrocatalysts realize high overall water-splitting activity at the atomic level. Herein, we totally new P-(Fe,V)-codoped metastable-phase β-NiMoO4. As an electrocatalyst, can oxygen evolution only 163 mV 44 10 mA...

The first heterogeneous gold(I)-catalyzed [2 + 2 1] annulation of terminal alkynes, nitriles, and oxygen atoms has been achieved by using an MCM-41-immobilized phosphine–gold(I) complex as catalyst 8-methylquinoline N-oxide oxidant under mild conditions, yielding a variety 2,5-disubstituted oxazoles in good to excellent yields with broad substrate scope. new gold(I) can easily be recovered simple filtration the reaction solution recycled for at least eight times without significant loss activity.

A hexagonal nanosheet LDH@ZIF-8 composite was fabricated by in situ growth of ZIF-8 on Zn-Al LDH without adding any zinc precursor, and exhibited a CO2 adsorption capacity 1.0 mmol g(-1) at room temperature 1 bar, which significantly higher than that pure or ZIF-8, indicating synergy between LDH.

A novel Zn-based metal–organic framework (MOF) was synthesized from the mixed ligands, 3,3′,5,5′-azoxybenzenetetracarboxylic acid (H4AOBTC) and 1,4-bis(1H-benzo[d]imidazol-1-yl)benzene (phenDIB) ligand. The crystal structure of complex exhibits an interpenetrated three-dimensional that can be simplified as a (4,4)-connected 2-nodal bbf net. This MOF displays extraordinary thermostability in boiling water for 12 h chemical stability wide pH range 2–13. most intriguing feature is it...

A highly luminescent porous metal-organic framework Cd3(L)2.5(4-PTZ)(DMF)3, labeled as NBU-9, has been designedly synthesized based on Cd(NO3)2·4H2O and mixed ligands of 4-(1 H-tetrazol-5-yl)pyridine (4-HPTZ) with N-coordinated sites thiophene-2,5-dicarboxylic acid (H2L) heteroatomic (S) ring carboxylate groups in N, N-dimethylformamide (DMF) at 100 °C for 3 days. The interesting result is that this compound NBU-9 can be also obtained via the raw materials Cd(NO3)2·4H2O, 4-cyanopyridine,...