Themed collection 1D/2D materials for energy, medicine, and devices

Guest editors Yu Chen, Gemma-Louise Davies, Anders Hagfeldt and Nicholas Kotov introduce this cross-journal themed collection on 1D/2D materials for energy, medicine and devices.

Band gap tunability and good electronic conductivity makes 2D MPX₃ systems as potential candidates for photocatalytic and electrocatalytic HER. The generation of heterojunction between 2D MPX₃ with other HER active materials further enhances the MPX₃ activity and stability.

Illustration of the position and functions of 1D materials in PSCs.

The photovoltaic effect can directly harvest solar energy by converting optical signals into current without external bias, and thus is a practical and sustainable approach for low-power, high-linearity, and gate-switchable optoelectronic devices.

Recently, newly developed carbon-based nanomaterials known as carbon dots (CDs) have generated significant interest in nanomedicine.

This review describes the recent developments of one-dimensional III-nitride semiconductors and the design strategies for efficient and stable artificial photosynthesis of water splitting and carbon dioxide reduction.

Metal-free biomass alcohol oxidation in synergy with CO fuel production.

The dual metal sites of Co and Mo in a CoPc–MoS₂ system mediate CO₂ and N₂ activation and result in a C–N coupling reaction to produce urea via an electrocatalytic pathway.

A mesogenic dendrimer with three-fold symmetry was determined, using ¹²⁹ Xe-NMR spectroscopy, to contain free void space in the columnar or solid state.

A packed-bed SCMFC is used to demonstrate the positive effects of recycling in continuous mode on the degradation of a phenolic compound in wastewater.

Here, we use atomic simulations to rationalise why using high polarity solvents to synthesise conjugated microporous polymers gives a high ratio of micro- to mesoporosity, and using low polarity solvents gives a lower ratio of micro- to mesoporosity.

Silica NPs (SiNPs) used as a platform to deliver molecules have huge potential for biomedical applications.

Quinoidal compounds own unique properties that make them a promising platform for optoelectronic applications.

Copper-based Keggin-type polyoxometalate-soldered IPN-CNT construct has been designed through host–guest electrostatic assembly between counter-charged CNTs and Cu-POM-soldered charge-triggered IPN for enhanced millimeter wave absorption in X-band.

This paper presents the successful development of ultrathin (atomic thickness), large-scale (up to millimeter size) and microporous suspended graphene and verifies its promising potential as membrane for cell culture models.

A fast-charging structural cathode comprised of a redox-active polymer PTMA–GMA coated on a rGO/BANF platform that exhibits an excellent specific power (∼4310 W kg⁻¹ at 25C-rate) and specific modulus (∼4.33 GPa cm³ g⁻¹).

The co-existence of superior photocatalytic properties and strong spin–orbit-coupling in two-dimensional polar MoSSe plays a benign role in external magnetic field enhanced photoelectrochemical hydrogen evolution reaction.

Transition metal dichalcogenides (TMDCs), as next-generation two-dimensional materials, have gained considerable attention in energy storage applications through the incorporation of functional materials.

Hierarchical structures produced by thermal conversion of MOFs within the anodic TiO₂ nanotube layers combine the excellent light harvesting, carrier transport, and Pt SA anchoring to achieve a remarkable photocatalytic H₂ evolution performance.

Increasing carbon dioxide (CO₂) emissions as the most challenging greenhouse gas is considered as a major cause of global warming and ocean acidification.

Rational design of Pd/PdO–In₂O₃ heterojunction effectively enhanced the comprehensive triethylamine sensing performance.

For oxygen reduction reaction (ORR), the active sites of a defective N-doped graphene are predicted by a quantum mechanics/machine learning approach; the synthesized catalyst shows exemplary ORR activity that was further confirmed by a DFT study.

2D carbon materials with porous structures based on Zn-BTC obtained by a convenient interfacial synthesis were reported. The as-constructed supercapacitors achieved a specific capacitance of 62.5 F g⁻¹ and cycling stability (30 000 cycles).

3D printed electrodes of 1T′/1T MoS₂/TiS₂ nanosheets without conductive additives have been demonstrated to perform for durable supercapacitors.

Few-layered HfS₃ nanoribbons exhibit n-type conductivity and a large photoresponse to visible light. The photocurrent strongly depends on the polarization direction of the excitation laser due to the highly anisotropic quasi-1D crystal structure of HfS₃.

The interaction of PNA molecules with halloysite is a useful strategy to obtain innovative systems to be applied in nanomedicine.

Nanozymes are effective novel antibacterial agents.

Clathrin-mediated endocytosis is shape sensitive for nanoparticles.

Electrodeposition of Cu coatings onto the gates of electrolyte-gated transistors based on reduced graphene oxide leads to efficient devices featuring a sensitivity equal to 1–3 mV and able to track emulated action potentials (frequency 0.1 Hz).

A unique fluorescent biosensor based on N-doped graphene quantum dots has been developed with high selectivity, anti-interference properties, excellent biocompatibility and portability, which can sensitively determine Fe³⁺ and ATP levels in biological matrices.

A CON are hybridized with layered SnS₂ to improve electrical conductivity and structural stability of SnS₂ for lithium ion battery systems. Therefore, the hybrid shows outstanding performances over 5600 charge/discharge cycles.

New CuAl–CO₃ LDH/BNOx nanocomposite membranes demonstrate excellent dye retention characteristics and superior flow rates, as well as efficient photocatalysis for applications in membrane anti-fouling.

A POMOF with [W₁₀O₃₂]⁴⁻ and mononuclear cobalt clusters as connecting nodes, which can be used as a photocatalyst to reduce low concentrations of CO₂ in flue gas to generate syngas.

Through molecular dynamics simulations, we report that the nanochannel formed by α-PC nanostructure shows high potential for electrokinetic identification of biomolecules.

A new monolayer semiconductor AuClO₂ has been predicted and the results demonstrate that AuClO₂ features an ultralow lattice thermal conductivity and a high figure of merit zT, supporting its potential application as a 2D thermoelectric material.

Electrolyte mediated assembly of graphene based supercapacitor using adsorbed IL/non ionic surfactant.

New small molecules MDAN and EDAN are synthesized and found to be different in tuning the morphology of low-dimensional perovskite morphology.

Highly electrically conductive (16 ohm sq⁻¹) and conformal van der Waals graphene electrodes were synthesized on piezo-ionic materials. Such electrodes enhanced the piezo-ionic output to 90.3 mV and distinguished soft and hard objects.

The MACl@ZIF-8 interlayer plays a bi-functional role in passivating buried interfaces and healing the defects in the bulk phase. As a result, significantly enhanced device performance is obtained with a champion PCE of 22.10%.

Morphological and structural conversion from the 3D MAPbBr₃ microcube perovskite to microwires and 2D Ruddsdlen–Popper layered structures through a water-assisted recrystallization process.

Here an LDH-derived microporous Fe@Ni₃Se₄ with enriched redox active Fe²⁺ ion is reported. The same has acquired 10 mA cm⁻² current density with 185 and 33 mV of overpotential value in alkaline condition with high specific activity and durability.

Carbon dioxide conversion has been considered a promising solution to global warming and as a source of CO.

The performance of a water-oxidation electrocatalyst is determined by the synergistic effect of an active site structure, e⁻ transfer system, and H⁺ transport system. The holistic functional biomimetic is a promising design strategy.

The activity of “fueled” NiGa₂S₄/ITO photodetector is described. The presence of ethanol boosts the performances of the photodetector increasing its responsivity and spectral response.

An effective method slows down crystallization kinetics via regulating the competition between intra- and intermolecular interactions in Ruddlesden–Popper tin-based perovskites.

Utilization of bifunctional high-efficiency non-precious electrocatalysts for stable and effective water splitting is crucial to the growth of the clean energy industry.

A thermodynamically assisted strategy is developed to precisely control the growth rate of polymer aggregates in solution. The resulting polymer monolayer exhibits improved molecular order and doubled mobility in field-effect transistors.

Thiol-ligand exchange to form either 1D luminescent or 2D non-emissive Ag(I)-based coordination polymers.

The NiCo@NOGC matrix with rich nitrogen and oxygen functional groups can effectively inhibit dendrite growth and serve as an excellent host for the K metal anode.

The incomplete charge transfer between graphdiyne and metal atoms at the interface structures endows the catalyst with excellent catalytic activity.

This work investigates the impact of electronic couplings between the organic and inorganic components of one-dimensional hybrid perovskites on their ground-state and excited-state electronic properties and optical properties.

Engineering hierarchical heterostructure materials has been recognised as a challenging but prepossessing strategy for developing hybrid supercapacitors.

Defect-enrichment in porous interface of ultrathin CuO nanobelts has been demonstrated in optimizing the formation energy of *CHO intermediates, thus customizing the unique reaction pathway of CO2 photoreduction to the desired CH3OH products.

Unique c-MoS₂ nanosheets with corrugated edges mitigate the suppression of LiPSs and assist to reutilize them to boost the electrochemical kinetics in the Li–S battery.

Pd–M (M = Cr, Mo, and W) metallenes are for the first time introduced as efficient electrocatalysts for the ECH of nitroarenes, in which the alloying promotion can be intrinsically ascribed to the boosted chemisorption/activation of a nitro group.

An Ag–Au-PANI core–shell network is fabricated for dual functions of visible-to-infrared electrochromic supercapacitor and data encryptable display.

We reported a novel all-optical imaging device based on a designed 2D material (metasurface) for anisotropic 2D edge enhancements. This metasurface can work as a switchable anisotropic edge filter at broadband wavelengths.

Flower-like MoS₂/rGO nanohybrids have been synthesized using one-pot hydrothermal reaction method. The supercapacitor cell exhibited excellent electrochemical performance predominated by surface capacitive processes.

DASS fluor (a novel annulated indolizines based fluorescent probe): their synthesis via DOS and biological evaluation for non-lysosomal LD detection.

Hematene and magnetene nanoplatelets have been produced by liquid phase exfoliation of natural mineral ores, in a water solution of melamine under mild sonication.

High performance asymmetric supercapacitor assembled using the S-VSe₂/CNT positrode and BCN negatrode.

The synergistic effect of multiple components (Cu, Cu₂O and CuO) in Cu_xONWs and the high bonding strength between the three materials in a CGA membrane anode markedly improve the capacitance and cycling performance of lithium-ion capacitors.

NaCl crystals are employed as a substrate to grow MoS₂ nanosheets. On dissolving NaCl, the nanosheets are introduced to silicon nanoparticles using layer-by-layer assembly forming robust MoS₂@Si anodes for lithium-ion batteries.

Indium is introduced to δ-MnO₂ for the first time. The conductivity of δ-MnO2 can be doubled and a high specific capacity can be achieved at a commercial-level mass loading.

A flower-like metal–organic layer with a rich catalytic surface and unique conductive structure was fabricated as an efficient cathodic catalyst for Li–CO₂ batteries. The as-developed cells display remarkable cycling stability.