A chiral two-dimensional MOF, {[Ca(D-Hpmpc)(H2O)2]·2HO0.5}n (1, D-H3pmpc = D-1-(phosphonomethyl) piperidine-3-carboxylic acid), with intrinsic proton conductivity has been synthesized and characterized. Structure analysis shows that compound 1 possesses protonated tertiary amines as carriers hydrogen-bonding chains served proton-conducting pathways. Further, MOF–polymer composite membranes have fabricated via assembling polymer PVP different contents of rod-like submicrometer crystals....

Abstract Hydrogen‐based energy is a promising renewable and clean resource. Thus, hydrogen selective microporous membranes with high performance stability are demanded. Novel NH 2 ‐MIL‐53(Al) evaluated for separation this goal. Continuous have been prepared successfully on macroporous glass frit discs assisted colloidal seeds. The gas sorption ability of materials studied by adsorption measurement. isosteric heats in sequence CO > N CH 4 ≈ H indicates different interactions between...

The separation of acetylene from ethylene is a crucial process in the petrochemical industry, as even small impurities can lead to premature termination polymerization. Herein, we present synthesis robust, crystalline naphthalene diimide porous aromatic framework via imidization linear naphthalene-1,4,5,8-tetracarboxylic dianhydride and triangular tris(4-aminophenyl)amine. resulting material, PAF-110, exhibits impressive thermal long-term structural stability, indicated by thermogravimetric...

Porous organic frameworks (POFs) as an important subclass of nanoporous materials are great interest in science. In recent years, the discovery and creation POFs with excellent properties for advanced applications have attracted much attention intensive efforts been contributed to this field. As a result, design multi-functionalities is ever-pursued dream scientists engineers. respect, new concept based on topology chemistry introduced rational targeted synthesis POF materials. The present...

Most metal-organic-framework- (MOF-) based hybrid membranes face the challenge of low gas permeability in CO2 separation. This study presents a new strategy interweaving UiO-66 and PIM-1 to build freeways UiO-66-CN@sPIM-1 for fast transport. In this strategy, sPIM-1 is rigidified via thermal treatment make polymer voids permanent, concurrently chains are mutually linked onto UiO-66-CN crystals minimize interfacial defects. The pore chemistry kept intact membranes, allowing full utilization...

POF integrated membrane: CO2-philic porous organic framework (POF) membranes are facilely synthesized by integrating SNW-1 nanosized particles with available amino groups and PSF matrix. As-prepared continuous SNW-1/PSF membrane is demonstrated to exhibit high CO2 selectivity as a molecular strainer. High performance (high separation factor enhanced permeability) holds great promise of in capture separation. As service our authors readers, this journal provides supporting information...

A “pure” porous carbon, lacking any elemental doping, exhibits excellent activity of oxygen reduction.

A single-atom Ni catalyst is utilized for the first time in catalytic transfer hydrogenation of furfural to furfuryl alcohol.

“Light metal, strong power”: new porous aromatic frameworks (PAF-26) with available carboxyl groups are synthesized and further modified light metal ions (Li⁺, Na⁺, K⁺, Mg²⁺); the metalized PAF-26 shows a distinct enhancement for CO₂ CH₄ uptake.

A novel hexaphosphate ester-based MOF JUC-200 is obtained by the reaction of phytic acid and Zn(<sc>ii</sc>), showing excellent water tolerance resistance, exhibiting a good proton conductivity as well its composite membrane.

Abstract Artificially designed enzymes are in demand as ideal catalysts for industrial production but their dense structure conceals most of functional fragments, thus detracting from performance. Here, molecularly imprinted porous aromatic frameworks (MIPAFs) which exploited to incorporate full host–guest interactions materials within the artificial presented. By decorating a skeleton with complexes, it is demonstrated that MIPAFs possessing excellent kinetics guest molecules. In addition,...

The dense structure of polymeric matrices exposes only 10–20% adsorption (amidoxime) groups, thus detracting from the extraction efficiency uranium seawater.

The interface is a critical issue for metal-organic-framework hybrid membranes in propylene separation. Here, covalent-linking strategy reported strikingly reinforcing the interfacial compatibility ZIF-8-based membrane. A functionalized ZIF-8 material named ZIF-8-CN synthesized using mixed-ligand approach. has an identical crystalline structure to ZIF-8, and 4,5-dicyanoimidazole ligand available further functionalization. Covalent linkage of with PIM-1 driven by thermal reaction cyano groups...

Removal of notorious sulfur compounds to produce low-sulfur-content (≤10 ppm) diesel is necessary and vital for modern industry environmental protection. A new type inorganic-organic hybrid material has been designed synthesized via confining molybdenum-containing polyoxometalate (POM) clusters within porous aromatic framework-1 (PAF-1) cavities named POM-PAF-1. Deep oxidative desulfurization experiments reveal that POM-PAF-1 possesses excellent reactivity under mild conditions, exemplified...

Gas separation efficiency of covalent organic framework (COF) membrane can be greatly elevated through precise functionalization. A pair-functionalized COF 1,3,5-triformylphloroglucinol (TP) and isoquinoline-5,8-diamine (IQD) monomers in two three nodes is designed synthesized. TP-IQD crystallized a two-dimensional structure with pore size 6.5 Å surface area 289 m2 g-1 . This possesses N-O paired groups which cooperatively interact C2 H2 instead H4 nanosheets ≈10 μm width ≈4 nm thickness are...

Covalent organic frameworks (COFs) mixed matrix membranes (MMMs) combining individual attributes of COFs and polymers are promising for gas separation. However, applying COF MMMs propylene/propane (C3 H6 /C3 H8 ) separation remains a big challenge due to inert pores C3 similar molecular sizes. Herein, the designed synthesis Cu(I) coordinated membrane is reported. A platform synthesized from 5,5'-diamino-2,2'-bipyridine 2-hydroxybenzene-1,3,5-tricarbaldehyde. This possesses porous 2D...

Abstract For real‐time care of metabolic diseases, it is highly demanded to simultaneously monitor metabolite content and diagnose muscle strength in a rapid convenient way. However, such biosensor with integrated functions detecting chemical biopotential signals at the same time has seldom been reported. In this work, multifunctional biosensor, integrating electrochemical detection uric acid (UA) glucose (Glu) sweat, electrophysiological signal acquisition, electrostimulation therapy,...

For the first time, a metal-organic framework Zn(3)(BTC)(2) film has been successfully synthesized on substrate of zinc wafer by direct conversion technique. The obtained crystal densities and inter-growth have improved via method. effect synthesis conditions crystallization activation were determined to optimize strategies for continuous stable layers. took place converting activated layer substrate. reaction between substrate-generated source H(3)BTC clear solution yielded best crystals...

Another fine mesh you've got me into: A stainless-steel-net-imbedded silicalite-1 membrane (MFI film) is synthesized by a hydrothermal method. hierarchical growth mechanism of the formation deduced. The MFI film has high thermal and mechanical stability, large-scale order, exhibits permeation flux excellent selectivity for CO2 (see scheme). Supporting information this article available on WWW under http://www.wiley-vch.de/contents/jc_2002/2006/z602308_s.pdf or from author. Please note:...

Novel porous aromatic frameworks, PAF-18-OH and its lithiated derivative PAF-18-OLi, have been successfully synthesized. In particular, PAF-18-OLi displays significant enhancement of H2 CO2 adsorption capacity, especially for uptake (14.4 wt%). More valuably, the stable material exhibits high CO2/N2 selectivity, as 129 in case capture from simulated post-combustion flue gas mixtures (85% N2 15% CO2). Furthermore, has shown improved storage capacity after lithiation.