Themed collection Dalton Transactions HOT Articles

Bismuth-based semiconductors possess promising optical and electrical properties, making them suitable for photoelectrochemical applications in marine engineering.

Noncentrosymmetric galloborates show rich structural chemistry with various B–O anionic units and the [GaO₄] tetrahedron and are suitable candidates as ultraviolet nonlinear optical crystals.

This Frontier highlights the recent progress in the synthesis of MOF-derived LDH electrode materials, including pristine LDH powders, LDH composites and LDH-based arrays, and their applications in SCs.

Exploring the influence of different reducing agents and their corresponding reaction conditions on the synthesis of copper nanoclusters, this study aims to provide valuable insights that can steer future research efforts in this field.

This article describes solid-state excimer-emitting materials based on aryl-modified o-carborane derivatives. Recent progress in stimuli-responsive materials with solid-state excimer emission based on modified o-carboranes is explained.

This article surveys the recent frontier advancements in layered metal oxide (LMO)–based catalysts for the oxygen evolution reaction (OER). The design rationales, mechanism, and future perspectives of LMOs for efficient OER catalysis are delineated.

The synthetic strategies employed to isolate monomeric stibinidene chalcogenides (RSbCh) and monomeric stibine chalcogenides (R₃SbCh) are discussed, and a perspective on the outcomes and future directions of this exciting area is provided.

This Frontier presents a comprehensive overview of the moisture-sensitive mechanism of organolead halide perovskites and the enhancement strategies for their structural stability and photocatalytic performance.

The covalent, post-synthesis modification of metal–organic frameworks is an efficient strategy for producing complex pore environments, bringing us closer to the goal of constructing enzyme-like catalysts.

A chiral tetra-NHC iron(II) complex and its disparate reactivity with multiple organic azides is reported.

The oxidation of C(sp³)–H bonds was achieved under mild conditions using a cuprous-ion-based coordination polymer as photocatalyst.

A novel method for synthesizing iminopyridines using zinc has been established. The proposed mechanism highlights the crucial role of zinc amidinato intermediates in this synthesis.

Evidence for a bridging phosphinidene complex II is described. Diminishing the steric demand of the Lewis acid led to adduct I which can undergo an unusual dyotropic rearrangement to give III.

The electrochemically deposited metal carbonates were tested for their Oxygen evolution reaction activity

A method for the simultaneous monitoring of multiple transfer hydrogenation reactions using a microplate reader is reported.

The reactivity of the anticancer drug picoplatin with the model proteins hen egg white lysozyme and bovine pancreatic ribonuclease was investigated by electrospray ionisation mass spectrometry and X-ray crystallography.

Unprecedented insight into the structural features of cobalt-based oxygen evolution catalysts using high-field MAS NMR spectroscopy and DFT calculations. The isolation of the catalyst in an amorphous host causes a threefold increase in its activity.

An innovative polyoxometalate-based cobalt-modified organophosphate framework was synthesized and applied for CO₂ reduction for a high selectivity of 94.5% and an ultra-high CO production rate of 13 676 μmol g⁻¹h⁻¹ in photocatalytic investigations.

First example of field-induced slow magnetization relaxation in the homotrinuclear linear heterospin manganese coordination compound with S = 7/2 ground state, based on the bidentate 3,5-di-tert-butyl-1,2-benzoquinone-1-monooxime ligand is reported.

Cr(N₂)₂(diphosphine)₂ complexes catalyze the reduction of dinitrogen at room temperature using SmI₂ and ethylene glycol or H₂O to form hydrazine and ammonia.

Ru(II)–phosphine–mercapto complexes are cytotoxic against breast cancer cells.

A new approach to overcoming the problem of infected bone defects has been developed by combining three components: bioactive glass, a Cu-based MOF, and AgNPs. Ag@Cu-MOF@BG exhibits antibacterial properties while being bioactive and biocompatible.

The thermal deprotonation of melamine in the presence of InCl₃ leads to the novel [C₁₂N₂₀H₈]⁴⁻ tetramer, based on four melaminate ions.

Herein, we describe the synthesis, characterisation and antimicrobial activity of four new supramolecular cobalt conjugates of antimicrobial peptides functionalised with terpyridine ligands (L).

The electrocatalysis of 20%C/Pt, precursors and TP@VL-COF for HER in an alkaline electrolyte was assessed. The TP@VL-COF showed just 75 mV overpotential, which is due to the covalent linkage of Lindqvist POM creating synergistic effects.

Rare hydroxopalladium(IV) complexes have been isolated and structurally characterized.

Current-density calculations on osmapentalene and osmapentalyne suggest that the Craig-type Möbius aromaticity/antiaromaticity concept should be abandoned.

Bioinspired molecule-functionalized Cu for efficient CO-to-acetate electroreduction via enhanced CO adsorption.

This article uses an in-situ sealing strategy to obtain a lithium-ion battery electrode covered with a carbon film and formed by reconstructing carbon quantum dots (CDs) onto Na₅V₁₂O₃₂ (NVO) nanowires.

In vitro and in silico DNA binding and cleavage activity and the antidiabetic activity of synthesized and characterized 2(3),9(10),16(17),23(24)-tetrakis-[(N-methyl-(1-benzylpiperidin-4-yl)oxy)phthalocyaninato]zinc(II) iodide were investigated.

Coordination of the amine-rich Cp^N3 ligand to cobalt is reported. Ligand displacement leads to ligand protonation and evaluation of the metal-free C–H bond thermochemistry, revealing a weak homolytic C–H bond dissociation free energy (52 kcal mol⁻¹).

Changes in the sialic acid content of human serum transferrin (hTf) alter its pH-dependent iron binding affinity. Desialylated hTf shows a preference for the diferric form, which may affect iron transport dynamics in different physiological states.

Binding site electron density in σ-type molecular orbitals is the decisive factor in the in situ assembly of quasi-1D coordination chains using triazole (Tr) isomer ligands in molecular junctions.

The combination of a Si(II)–Si(IV)–Si(II) unit with a silole ring leads to a significant bathochromic shift in its UV-spectra.

In this work, the transport path of potassium ions in potassium borate glass and structural units, NBO and cavity occupancy that affect the transport of potassium ions were analyzed in detail.

Bulky phenanthroline provides ideal support to stabilize ethylene complexes of copper(I), silver(I) and gold(I), permitting their complete characterization. Copper complexes catalyze the carbene insertion to C–H bonds of adamantane.

The efficacy of the methanol-to-aromatics process over ZSM-5 was evaluated considering factors such as hierarchy, particle size, and bifunctionality.

Temperature-induced SCSC dehydration-rehydration processes between two 3D hybrid networks via solid phase intermediate transition were performed, with the new hydrated phase exhibiting superior catalytic performance in the epoxidation of olefins.

A theoretical computational protocol was performed to understand the optical properties, the deactivation mechanisms, and the substituent effect for a photocatalytic MOF-based system.

Herein, the synthesis of M(II) (M = Co, Cu, Zn, and Cd) complexes with morpholine-derived ligand is described that has shown significant urease inhibition, along with promising antioxidant and anticancer potential.

The reactivity between different bis-silylenes and the phosphaalkyne tBuCP was investigated, which has expanded the synthetic possibilities of Si–P-containing heterocycles.

Fluorescence emission λ_max red-shifts with increasing DP in Vy₄HC co-oligomers.

Eight Ru(II) and Os(II) photosensitizers bearing a common 9,10-disubstituted-1,4,5,8-tetraazaphenanthrene backbone are spectroscopically characterized and the most promising candidates were investigated for guanosine-5′-monophosphate oxidation.

A general synthetic procedure to neutral homo- and heterobimetallic cage compounds exhibiting various structural motifs of the polypnictogen ligands starting from [Cp*Fe(η⁵-E₅)] (E = P (1), As (2); Cp* = C₅Me₅) is reported.

Solutions of promesogenic anions derived from [closo-1-CB₁₁H₁₂]⁻ in an aligned liquid crystalline host exhibit anisotropic Li⁺ ion transport.

The accumulation of tetracycline hydrochloride (TCH) threatens human health because of its potential biological toxicity.

A W-CoSe300/NF electrocatalyst with snowflake structure was designed, which showed excellent electrocatalytic performance due to the regulation of its intrinsic activity and stability by self-supporting structure and tungsten doping.

The reduction of (tBuCP)₂ with alkali metals affords the anion (1,2,3-P₃C₂tBu₂)⁻. Coordination studies of the anion have yielded organometallic sandwich complexes, while the hexaphosphane tBu₄C₄P₆ was obtained by oxidation.

The antimony(III)-oxyaryl [{NCN^Me4}Sb(C6H2-^tBu2-3,5-O-4)] forms upon C–H activation, with charged species and heterolytic bond cleaving and forming steps. The reactivity of the complex, which exhibits zwitterionic and quinoidal features, was probed.

1,2-Boryl migration has been successfully demonstrated in the vinylidene rearrangement.

Guanine-derived carbon nanosheet encapsulated Ni nanoparticles for efficient CO₂ electroreduction with an FE_CO exceeding 90%.

The fluorescent [Ag(BIA)₂]Cl complex is the first example of an Ag(I)-based complex that shows affinity for DNA G-quadruplexes and i-motifs.

Si/B exchange, skeletal rearrangement, and electrophilic borylation reactions convert an azasilaanthracene into a B₃,N₃-doped polycyclic aromatic hydrocarbon, for which theory predicts potential as a thermally activated delayed fluorescence emitter.

The electronic structure of [OsF₆]²⁻ and PtF₆ complexes was studied by means of CASSCF/NEVPT2 multiconfigurational calculations, including spin–orbital coupling, which is very relevant in the case of these metals.

This study provides insights into how sodium aminophenolate complexes, through structural manipulation and ligand design, catalyze the efficient and environmentally friendly degradation of polylactide (PLA).

Carbon-doped silica shell-encapsulated iron oxide nanoparticles (CSIONPs) can detect ofloxacin (OLF) in tap water or blood serum. Upon excitation at 350 nm, CSIONPs exhibit optical properties leading to emission at 432 nm which is quenched upon the introduction of OLF.

Hierarchical porous carbon with dual sites of Zn–Mg exhibits excellent ORR activity and outstanding Zn–air battery performance.

The incorporation of Pd into the molecular framework of 4-arylidene-imidazolones or thiazolones generates platforms with remarkable photophysical and photochemical properties. Quantum yields of up to 15% and a clear photoreactivity have been achieved.

A pair of chiral Zn(II) complexes coordinated by Schiff-base type binaphthyl ligands exhibiting aggregation-induced enhanced emission and circularly polarized luminescence have been synthesized and characterized.

Coordination of 1,2,3-triazole-based mesoionic N-heterocyclic olefin (mNHO) ligands to palladium, gold, and boron hydride has been investigated experimentally and computationally.

DFT and ab initio calculations were performed on Dy(III) complexes of saturated/unsaturated 18-crown-6 ligands to unravel the bonding and SIM behaviour. U18C6 ligands stabilize D_5h geometry around Dy(III) ion, resulting in a giant barrier over 2700 K.

We present the use of an amine functionalized 2D aminoclay (AC), in MOF chemistry to prepare MIL-101(Cr)/AC composites, which are exploited as catalysts for efficient conversion of CO₂ into cyclic carbonates at ambient reaction conditions.

An N/P-doped NiFeV oxide nanosheet catalyst (N/P-NiFeVO) is constructed by plasma treatment as an efficient electrocatalyst for the oxygen evolution reaction.

To facilitate the separation of photogenerated charge carriers, Cd_0.9Zn_0.1S nanoparticles with a twin crystal structure are deposited on the surface of MoO₃, establishing an S-scheme heterojunction.

A new Dibenzoazepine-hydrazine is a versatile building block for the synthesis of potentially hemilabile hydrazone N–alkene ligands for the formation of main group and transition metal complexes.

In this study, we synthesize silica-coated core@shell nanoparticles based on the relatively unexplored [Fe(NH₂trz)₃](NO₃)₂. This enables the fabrication of water-stable spin-crossover nanoparticles exhibiting spin transition at room temperature.

Advanced MOF-808 barcodes modified with europium and transition metals for color and fluorescence switching for dynamic and forgery-proof encoding.

Based on two imidazole substituted phthalic acid ligands, two new metal–organic frameworks have been synthesized. Both complexes exhibit impressive proton conductivities under 98% RH.

A Tb(III) complex with a β-diketonate photosensitizer and bulky ancillary ligands exhibits strong photosensitized emission. The bulky ancillary ligand plays a crucial role in shielding from oxygen, resulting in effective photosensitized emission.

The nature of the polyoxometalate (POM) and coordinating subunit (CSU) modulate the stability of the POM-CSU hybrid and the DNA binding.