Themed collection Functional Coordination Networks

Recent progress towards a better understanding of the design principles associated with the use of 4,2′:6′,4′′-tpy, 3,2′:6′,3′′-tpy, bis(4,2′:6′,4′′-tpy) and bis(3,2′:6′,3′′-tpy) linkers and nodes in coordination networks is presented.

This feature article reviews the design strategies by which multiple different emission sources could be combined for creating multi-emitter luminescent metal–organic frameworks (LMOFs).

This feature article summarizes the current status of metal–metalloligand phosphonates including the synthetic strategies, crystal structures and properties. Future challenges in this field are discussed.

Metal–organic frameworks are versatile materials that provide new opportunities as catalysts in polymerization reactions, including modularity and well-defined structures.

Diverse crystal engineering principles employed in the discovery of porous coordination networks for the selective separation of C2 gases reveal that control of pore size and pore chemistry emerges as the key to unlock their outstanding performances.

This feature article highlights and compares the structural and physical properties of typical examples of one-dimensional metal-chain complexes and organic conductors.

This review highlights the strategies employed to load and release gasotransmitters such as NO, CO and H₂S from different kinds of porous materials, including zeolites, mesoporous silica, metal–organic frameworks and protein assemblies.

The anisotropic alignment of chromophores in a cobalt-based metal–organic framework produces a dichromatic dichroic effect, showing a range of colors from blue to yellow depending on the orientation of polarized light relative to the crystal.

Transformation of MFM-722(Pb)-DMA to MFM-722(Pb)-H₂O leads to an increase in proton conductivity linked to a structural transition.

Gas phase hydrogenation of ethylene by a MOF supported Iridium catalyst highlights the role of support and counteranion effects.

Solid-state ¹³C NMR was used to differentiate the D- and L-enantiomers of three BOC-protected amino acids (Ala, Val, Pro) when appended to the chiral S-Mg₂dobpdc MOF.

Nickel(II)-modified covalent-organic framework (COF) film exhibited electrocatalytic oxidation of 5-hydroxymethylfurfural (HMF) with ∼96% conversion.

We report the ultrafast charge separation dynamics in porphyrin-based Ce–TCPP MOFs using optical and X-ray transient absorption (XTA) spectroscopy.

Mixed donor phenanthroline-carboxylate linkers were combined with Mn^II or Zn^II to form photoactive MOFs with large pore apertures.

Preliminary chemical reduction of naphthalenediimide (NDI)-based organic ligands was applied to the synthesis of a porous molecular conductor (PMC) with neutral metal nodes (cobalt(II) acetylacetonate).

Insoluble fatty acids that trigger the growth of luminescent MOFs on fingerprint residues were employed for the precise positioning of MOFs.

The first example of ‘one-pot’ coordinate-covalent synthetic programming for metal–organic frameworks is reported.

Quasielastic neutron scattering reveals the geometry and timescale of the dielectric switching dynamics in a series of elpasolite-like framework materials.

X-ray spectroscopy studies reveal the location and role of Fe³⁺ sites incorporated in a Ti-based MOF exhibiting photo-induced charge separation.

The precise tuning of the multiple electron transfers based on a chemical technique of site-doping in tetraoxolene-bridged Fe honeycomb layer systems was demonstrated.

A 1-D chain CP with both SCO and redox activity has been successfully prepared by the combination of a bis-pyridyl functionalised TTF core and a Schiff base-like N₂O₂ ligand.

We report the templating effect of the PW₁₂ polyoxometalate on the porphyrinic MOF topologies whereby the kinetic phase is favored at high temperature.

A variety of metal–organic frameworks typically synthesized in formamide solvents are produced in the insect repellent N,N-diethyl-3-methylbenzamide producing controlled-release composites.

Reversible solvent exchange in three Dy(III)-bromanilato 2D frameworks with solvent dependent luminescence and slow relaxation of the magnetization.

Tuning of local flexibility towards p-xylene achieved by the control of the specific combination of coordination metal centers in Hofmann-type porous coordination polymers.

We analyse 3D coordination networks in 33 790 coordination polymers and discuss relations between their topological and porosity properties.

Scale-up of an Fe-MOF and elucidation of its water adsorption properties by PXRD, sorption measurements and molecular simulations are reported.

The water-adsorption properties of four isostructural hydrophobic metal-organic frameworks are dependent on the metal species, which was revealed to be caused by coordination distortion around the metal ions.

Three comparable MOFs were yielded successfully. Among them, the highly stable HMOF is a porous 3D motif with lots of active sites, leading to the enhanced catalysis for CO₂ conversion and fine color regulations of MOFs by doping different ions.

Postsynthetic chemical reduction enhanced the electrical conductivity of a new flexible 1D coordination network with a naphthalenediimide (NDI)-based ligand.

Pore space partitioning via post-synthetic insertion of dipyridyl linkers with different lengths modulates the porosity of Ag(I)-based MOFs.

Mechanochemical grinding offers a method of reducing the vacancy concentration of Prussian blue analogues.

The force exerted by flexible metal–organic framework through expansion was experimentally evaluated for MIL-53(Al).

Confinement of the salt [NEt₄][TFSI] in metal–organic frameworks leads to a significant enhancement in ionic conductivity, pointing toward a novel method of creating solid ion conductors.

Mechanical grinding causes anisotropic cell volume expansion, which facilitates the misaligned arms containing olefin functional groups in the neighbouring strands of the photo-inert helical coordination polymer to align to undergo [2+2] cycloaddition reaction.

2D organic–metal chalcogenides (OMCs) were developed as a new type of material for high-performance RT gas sensing.

Borohydride-containing coordination polymers convert CO₂ into formate or formylhydroborate depending on their crystal structures.

In situ vitrification of MOF within polymer can rigidify the polymer chains and remove interfacial defects, leading to a significantly enhanced membrane selectivity.