Themed collection #MyFirstMH

Redox- and spin-active macrocyclic vanadyl(IV) complexes and polyoxovanadates(V) have promising structural and physicochemical characteristics for innovative bottom-up hybrid electronics.

With the increasing consumption of fossil fuels, the development of clean and renewable alternative fuels has become a top priority.

Metal–organic frameworks (MOFs) and covalent organic frameworks (COFs) photocatalysts face challenge in poor photocatalytic efficiency, which was promoted by the introduction of plasmonic nanoparticles (NPs) and junctions.

The structure of this review includes applications of MXenes in drug delivery, tissue engineering, antimicrobial, and in biosensors.

In this review, we aim to showcase the potential and benefits of up-conversion nanoparticles (UCNPs) in advanced wound care applications.

The design and structure of recent supramolecular hydrogels are discussed. The applications of supramolecular hydrogels in hemostasis and wound repair are highlighted. The future development of supramolecular hydrogel dressings is predicted.

This review provides a comprehensive overview of the recent progress made in solid-state carbon dot (CD) emitters, including their synthesis, optical properties and applications in light-emitting diodes (LEDs).

A highly stable SnF₆²⁻ pillared metal–organic framework offers a rare combination of outstanding SO₂ capture, high selectivity and mild regeneration for future desulphurization processes.

A unique technique of “ice and fire” is proposed, that is, manipulation of force via water freezing (ice) and high-temperature sintering (fire) to fabricate ideal porous ceramics.

A thermo-growing ion cluster-based elastomer was developed to achieve healing strengthening and tough adhesion features.

To date, the reported injectable hydrogels have failed to mimic the fibrous architecture of the extracellular matrix (ECM), limiting their biological effects on cell growth and phenotype.

Novel core–shell Pd₇@Pt_x heterostructured nanocrystals with Pt-islands shell of unsaturated coordination edges could be directly photodeposited on a reduced graphene oxide support as a highly efficient HER electrocatalyst in a wide pH range.

With only a specific small amount of loss, perfect absorption of elastic waves can be achieved by a compact NHMG composed of only a single type of unit cell, enabling cloaking for arbitrary-shaped targets.

Grafting NiFe-LDH nanosheets onto TiO₂ nanorod arrays largely improves the photoexcited charge separation and accelerates the surface oxidation reaction, leading to stable & self-enhancing photoelectrochemical cathodic protection performance.

The strategy for fabricating a Janus conical vertical array is novel in the integration of solar vapor generation and fog collection, which has great significance for all-weather freshwater production.

While current experimental and computational studies often concentrate on introducing external structures or idealized MN₄ models, we emphasize the often-overlooked impact of inherent OGs within the carbon structure of MN₄ materials, presenting a new perspective on their catalytic activity origin.

A quasi-solid-state photoelectrochemical-type Bi₂O₂Te photodetector exhibits excellent linear polarized light detection capability.

Improving the energy storage performance of SrTiO₃-based ceramics through all-scale architectures combining the effects of atomic-level doping, nanoscale domain engineering, submicroscale grain size regulation, and sample thinning.

A hybrid generator integrating a fan-shaped triboelectric nanogenerator (FR-TENG) with an all-inorganic thermoelectric generator (iThEG) has been proposed.

A ZnCdS@PDA hollow nanoreactor with sulfur vacancies and confinement effects is prepared. The hollow nanoreactor and microdroplets synergistically enrich O₂ for high photocatalytic H₂O₂ yield under neutral conditions without sacrificial agents.

Photoresponsive microdroplets exhibit directional and continuous movement on a glass surface when simultaneously irradiated with two different light sources. Additionally, these droplets function as carriers for fluorescent quantum dots.

Our multi-task neural network approach simultaneously predicts the concentration of all types of rare earth elements (REEs) in coal ashes, with an improved accuracy and robustness as compared to conventional single-task neural networks.

Low-dimensional ferroelectric tunnel junctions are appealing for the realization of nanoscale nonvolatile memory devices due to their inherent advantages of device miniaturization.

Fully printed memristors based on silver and water-based 2D material inks were demonstrated on rigid and flexible substrates. The Ag filaments formation depends on the annealing process and can be inhibited by integrating CVD graphene in the device.

A new “water vapor assisted aramid nanofiber (ANF) reinforcement” strategy is proposed to prepare mechanically robust and ionically conductive organohydrogels.

An efficient strategy to incorporate Fe into MoO₂ nanosheets on Ni foam (Fe–MoO₂/NF) was reported using a rapid carbothermal shocking method (820 °C for 127 s). This strategy could effectively solve the oxidation and aggregation of active sites in the long-time pyrolysis process.

Liquid-crystalline materials are reported that exhibit circularly polarised, thermally activated delayed fluorescence with good solution and device emission efficiency, and high luminescence asymmetry.

Realizing Von Hove singularity (VHS) and extended flat bands of graphene near the Fermi level (E_F) to explore many-body interactions with a high tendency towards superconductivity.

A fully stretchable artificial pain perception nociceptor is prepared. The device is stretched in various ways with stable synaptic and nociceptor simulation performance. This work contributes to the development of flexible sensor devices.

Entropy engineering, component engineering and distinctive hierarchical structure synergize to promote the electromagnetic wave absorption of high-entropy transition metal dichalcogenide/N-doped carbon nanofiber composites.

Ultrafine VOOH nanoparticles were prepared using the Kirkendall effect, and the VOOH can be transformed to VO₂ with advanced thermochromic properties.

A 3D simulation of conductive nanofilaments (CNFs) in multilayer hexagonal-BN memristors is performed.

A novel strategy to modulate the charge distribution of active centers on ammonia sensing materials is reported. Boron β-diketone can effectively modulate surface electronic states, identifying the electron-deficient B ← O units as active centers.

Flux growth in a horizontal configuration is a promising method for obtaining single crystals possessing highly uniform physical properties. Using the example of CeRh₂As₂, we demonstrate the technique is repeatable and easily scalable.

This work reports a facile and effective strategy to achieve high-performance and stable antibacterial flexible triboelectric nanogenerators by utilizing an electrostatically self-assembled zwitterionic molecule as the surface modification layer.

We show a highly effective isolation of monochiral single-walled carbon nanotubes using conjugated polymers and small molecular chaperones that facilitate polymer folding.

Despite the large binding energy of charge transfer (CT) excitons in type-II organic/2D heterostructures, it has been demonstrated that enthalpy-uphill exciton dissociation can occur spontaneously, which can lead to a long carrier lifetime.

The multi-scale features and latent space are connected by a nested autoencoder.

An atomic-level heterostructure with ReS₂ positioning at the S vacancy in twin-crystal Zn_0.5Cd_0.5S solid solution (ReS₂/Sv-ZCS) achieves the improved charge kinetic behavior and efficiency for dual-functional photocatalytic conversion.

A cationic metal nanoparticle conjugated fusogenic nanoemulsion (CFusoN) as a lipid solubilizing nanovesicle for the effective treatment of S. aureus infection.

Impurities in water affect ice adhesion strength on surfaces. Depending on the freezing rate, they can be trapped in ice or pushed out, forming a lubricating layer. They also affect the quasi-liquid layer between ice and surface, impacting adhesion.

A high-dimensional in-sensor reservoir computing system with optoelectronic memristors is demonstrated utilizing optical and electrical masks. Handwritten digit classification and human action recognition are successfully achieved with high accuracy.

As a magnetic field sensor, the dimer nanojunction composite has a highly sensitive Raman scattering spectrum under an external magnetic field, which is caused by a change in the nanocrystal spacing in the dimer nanojunction.

A generic strategy of employing IR-transparent components to achieve prominent IR regulation via preferential placement of h-BN nanosheets in a polymer network liquid crystal with electric tunability.

To cope with sophisticated application scenarios, carbon materials can provide opportunities for integrating multi-functionalities into superior electromagnetic interference (EMI) shielding properties.

3D nitrogen-doped hierarchical porous graphitic carbon cathode and subnanometric tin oxide nanocrystals anode materials are derived from Co–Zn mixed metal–organic frameworks to achieve high-performance Li-ion and Na-ion hybrid energy storage devices.

Green and digital transitions will induce tremendous demand for metals and semiconductors.

The all-organic high-temperature polymer dielectrics with promising scale-up potential have witnessed much progress in the energy storage area, etc.

We have successfully synthesized new borohydride/halide dual-substituted lithium argyrodites, which have higher ionic conductivity and electrochemical stability and critical current density compared to other halide-only substituted argyrodites.

“Metal–organic π-clusters” were proposed, combining the π-electrons of both the cluster core and ligand for significant applications in third-order nonlinear optical materials.

2D SnO₂ nanosheets based chemiresistive sensor with microporosity and oxygen rich-surface detects ammonia at room temperature in extreme humidity at ppb levels for breath based early disease diagnostics and healthcare.

A unique bidirectional optical response hydrogel with adjustable temperature for human comfort, remarkable transparency, and solar modulation is developed to contribute to the fields of anti-counterfeiting, information encryption, and smart windows.

In [(La_0.7Sr_0.3MnO₃)₈/(BaTiO₃)_t/(SrTiO₃)₂]₈ superlattices, the asymmetric local structure and charge transfer probabilities work together to cause a switch from dominating Rashba SOI to dominating Dresselhaus SOI.

A new strategy for thermally activating green upconversion luminescence for high-sensitivity temperature detection in Yb/Er/ZnGdO microflowers.