Themed collection Spotlight Collection: 2D Materials Chemistry

The advances of 2D materials such as graphene, MoS₂ and 2D MOF nanosheets as solid-state nanopores for analyzing biomolecules are discussed.

Recent progress on 2D conductive MOFs and 2D layered MOFs containing pillar-layered MOFs and 2D nanosheets as electrode materials in SCs is reviewed, including synthetic design strategies, electrochemical performances, and working mechanisms.

A novel free-standing MOL was synthesized with an unexpected structure containing alternative Hf₆-oxo and Hf₁₂-oxo clusters as SBUs and the tris(4-carboxylphenyl)phosphine oxide (TPO) ligand.

We investigated Janus 2D transition metal phosphorus trichalcogenides and their potential for magnonic applications.

The role of Fe-clustering on the OER performance of MgFe layered double hydroxides has been investigated. Low clustering improves the electrocatalysis using Ni foam electrodes, alerting about hidden electrode collector-electrocatalyst interactions.

Herein we show the versatility of coordination chemistry to design and expand a family of 2D materials by incorporating F groups at the surface of the layers.

Uranyl phosphonates 1 and 2 were exfoliated into nanosheets of two-layer thickness and further forming 1-ns@PMMA and 2-ns@PMMA composite films. The luminescence of 1, 2 and 2-ns@PMMA is highly temperature sensitive, and can be used as thermometer.

MnPS₃ has been chemically exfoliated in solution as bare flakes and stabilized with capping agents, optimizing stability and catalytic activity.

A new electroactive bottom-up nanosheet is constructed by the coordination between a terpyridine ligand and Co(II) ions through a facile interface-assisted synthesis. By applying it as a medium material, the LSPR switching on Au NPs is achieved.

Graphene oxide decorated CdS and ZnO nanocomposites for waste water treatment and their plausible mechanism for photo-degradation and photo-reduction.

Gentamicin was stabilized in a bentonite clay via periodic charge–charge interaction and was successfully incorporated into a polymer film for long-term sustained antibacterial coating.

Honeycomb-like 2D π-conjugated conductive metal–organic framework gas sensors with channel sizes <2 nm and broad conductivity range are studied with low conductivity facilitating response, multi-porosity and short channel resulting in fast speed.

Several nm thick ZIF-8 nanosheets can be synthesized from multiple hydrophilic precursors in the hydrophilic space inside bilayers in a decane solution of the amphiphile Brij L4.

The incorporation of MoS₂ nanosheets in well-known PEDOT:PSS water solution, and used as a hole transporting layer in nanocrystal light-emitting diodes, works as a performance booster in unpackaged devices under ambient conditions.

Two-dimensional (2D) nanomaterials have been identified as one of the promising materials due to their great promise for waste treatment.

Two-dimensional porous N-doped Cu₂O/carbon nanoplatelets derived from metal–organic frameworks (MOFs) exhibited very high photocatalytic activity for dye degradation under visible light.

Two 2D porous frameworks are synthesized base on tri(4-imidazolylphenyl)amine. Compound 1 exhibits that the ultrahigh selectivity of C₂H₂/CH₄, the highest one reported to date. Compound 2 combines the ultrahigh sensitivity and trapping for Cr₂O₇²⁻ in aqueous solution.

Few-layered MoSe₂ nanosheets are synthesized via a facile hydrothermal method. A symmetric two-electrode device consisting of MoSe₂ nanosheets showed enhanced performance and good capacitance retention over 10 000 cycles.

Seven Cu(II) coordination polymers based on flexible bis-pyridyl-bis-amide and aromatic dicarboxylate mixed ligands have been synthesized. The properties of complexes 1–7 have also been investigated..

A family of layered frameworks has been created in which the topological diversity affects the size of nanosheets obtained by exfoliation; their layered structures support strongly coupled two-dimensional antiferromagnets.

Five coordination polymers: CoCu (1), MnNi (2), Cu₂ (3), Mn₆Ni₆ (4), Cu₂ (5) have been synthesized, structurally determined and magnetically studied.