Themed collection Journal of Materials Chemistry A HOT Papers

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Microporous metal–organic frameworks for the purification of propylene

The latest advancement in developing MOF adsorbents for effective separation and purification of propylene from propane is summarized, with a focus on molecular exclusion based separation mechanism and propane-selective adsorption.

Graphical abstract: Microporous metal–organic frameworks for the purification of propylene
From the themed collection: Journal of Materials Chemistry A HOT Papers
Open Access Perspective

Atomic metal coordinated to nitrogen-doped carbon electrocatalysts for proton exchange membrane fuel cells: a perspective on progress, pitfalls and prospectives

This Perspective highlights past achievements, knowledge gaps and future research directions for M-N-C catalysts for PEMFCs.

Graphical abstract: Atomic metal coordinated to nitrogen-doped carbon electrocatalysts for proton exchange membrane fuel cells: a perspective on progress, pitfalls and prospectives
From the themed collection: Journal of Materials Chemistry A HOT Papers
Review Article

Advanced engineering strategies for Li2S cathodes in lithium–sulfur batteries

This review comprehensively explores the diverse strategies of Li2S engineering and examines potential avenues for enhancing structural stability and electrochemical performance.

Graphical abstract: Advanced engineering strategies for Li2S cathodes in lithium–sulfur batteries
Review Article

The metal–support interaction effect in the carbon-free PEMFC cathode catalysts

The metal–support interaction effect in the carbon-free PEMFCs cathode catalysts are summarized in this review.

Graphical abstract: The metal–support interaction effect in the carbon-free PEMFC cathode catalysts
From the themed collection: Journal of Materials Chemistry A HOT Papers
Review Article

Uranium and lithium extraction from seawater: challenges and opportunities for a sustainable energy future

Our analysis of the current literature shows that advances in extractive technologies for U/Li recovery lie at the intersection between molecular simulation, nanotechnology and materials science, electrochemistry, and membrane engineering.

Graphical abstract: Uranium and lithium extraction from seawater: challenges and opportunities for a sustainable energy future
From the themed collection: Journal of Materials Chemistry A HOT Papers
Review Article

Recent progress in anion exchange membranes (AEMs) in water electrolysis: synthesis, physio-chemical analysis, properties, and applications

An overview of recent advancements in anion exchange membranes (AEMs) and their performance in water electrolysis is provided, and the progress of an electrocatalyst for anion exchange membrane water electrolysis (AEMWE) is also discussed.

Graphical abstract: Recent progress in anion exchange membranes (AEMs) in water electrolysis: synthesis, physio-chemical analysis, properties, and applications
From the themed collection: Journal of Materials Chemistry A HOT Papers
Review Article

Advanced progress of rhenium (Re)-based electrode materials in electrocatalytic hydrogen evolution: a review

Rhenium (Re)-based materials are regarded as ideal alternative electrocatalysts towards the HER. This review focused on summarizing the advanced HER progress, aiming to establish a theoretical and experimental basis for constructing optimal Re-based electrocatalysts.

Graphical abstract: Advanced progress of rhenium (Re)-based electrode materials in electrocatalytic hydrogen evolution: a review
From the themed collection: Journal of Materials Chemistry A HOT Papers
Review Article

Multifunctional small biomolecules as key building blocks in the development of hydrogel-based strain sensors

Multifunctional small biomolecules enhance the multifunctionality and performance of hydrogel-based strain sensors.

Graphical abstract: Multifunctional small biomolecules as key building blocks in the development of hydrogel-based strain sensors
From the themed collection: Journal of Materials Chemistry A HOT Papers
Review Article

Covalent organic framework and hydrogen-bonded organic framework for solar-driven photocatalysis

The features of COF and HOF in porosity, light harvesting, and structural multifunctionality enable their application for photocatalysis. Focusing on the existing merits, rational developing way is helpful for constructing more excellent porous photocatalyst.

Graphical abstract: Covalent organic framework and hydrogen-bonded organic framework for solar-driven photocatalysis
From the themed collection: Journal of Materials Chemistry A HOT Papers
Review Article

Solar driven CO2 reduction: from materials to devices

Solar driven CO2 reduction is a promising technology for achieving carbon neutrality. The optimized photo-absorber, catalyst and device and their synergistic operation are essential for realizing a highly efficient solar driven CO2 reduction system.

Graphical abstract: Solar driven CO2 reduction: from materials to devices
From the themed collection: Journal of Materials Chemistry A HOT Papers
Review Article

Halide perovskite quantum dots for photocatalytic CO2 reduction

This review focuses on halide perovskite quantum dots (QDs) for photocatalytic CO2 reduction, discussing the structures and properties of perovskite QDs, the mechanism for CO2 reduction, photocatalyst design, challenges and directions for future research.

Graphical abstract: Halide perovskite quantum dots for photocatalytic CO2 reduction
From the themed collection: Journal of Materials Chemistry A HOT Papers
Open Access Review Article

Advances in harvesting water and energy from ubiquitous atmospheric moisture

Sorbent-assisted AWH and moisture-enabled energy generation are reviewed in parallel to reveal the correlation between these two technologies.

Graphical abstract: Advances in harvesting water and energy from ubiquitous atmospheric moisture
From the themed collection: Journal of Materials Chemistry A HOT Papers
Review Article

Turning trash into treasure: recent advances in triboelectric nanogenerator based on waste-derived carbonized materials

This paper reviews the features and preparation methods of waste-derived carbonized materials (WDCM), the working mechanism of the WDCM-based triboelectric nanogenerator (TENG), and the application and prospects of WDCM-based TENG in various fields.

Graphical abstract: Turning trash into treasure: recent advances in triboelectric nanogenerator based on waste-derived carbonized materials
From the themed collection: Journal of Materials Chemistry A HOT Papers
Open Access Review Article

Recent progress in phosphide materials for thermoelectric conversion

Metal phosphides combine elemental abundance, structural and bonding diversity, and are promising thermoelectric materials.

Graphical abstract: Recent progress in phosphide materials for thermoelectric conversion
From the themed collection: Journal of Materials Chemistry A HOT Papers
Review Article

Recent progress and perspectives on cation disordered rock-salt material for advanced Li-ion batteries

Over the past decades, the utilization of Li-ion batteries has provided the benefits of high energy and power density and can be used in a variety of applications, including electric vehicles, large-scale energy storage, and the power grid.

Graphical abstract: Recent progress and perspectives on cation disordered rock-salt material for advanced Li-ion batteries
From the themed collection: Journal of Materials Chemistry A HOT Papers
Review Article

Micro- and nano-structural design strategies towards polycrystalline nickel-rich layered cathode materials

The development of micro- & nano-structure engineering in recent years is reviewed. The synthesis methods and mechanisms of different microstructures are summarized, and the future development direction of microstructure modification is proposed.

Graphical abstract: Micro- and nano-structural design strategies towards polycrystalline nickel-rich layered cathode materials
From the themed collection: Journal of Materials Chemistry A HOT Papers
Review Article

Research progress on the construction of synergistic electrocatalytic ORR/OER self-supporting cathodes for zinc–air batteries

The synthetic strategies, application and future development of non-precious metal-based self-supporting electrodes for Zn–air batteries have been systematically summarized according to the recent research progress.

Graphical abstract: Research progress on the construction of synergistic electrocatalytic ORR/OER self-supporting cathodes for zinc–air batteries
From the themed collection: Journal of Materials Chemistry A HOT Papers
Review Article

Metallic active-site engineering: a bridge between covalent triazine frameworks and high-performance catalysts

Engineering metallic active sites (nano-scale/low-coordination/isolated metal active sites and active metal oxide/sulfide) into CTFs is an effective strategy for high-performance and large-scale industrial catalysis.

Graphical abstract: Metallic active-site engineering: a bridge between covalent triazine frameworks and high-performance catalysts
From the themed collection: Journal of Materials Chemistry A HOT Papers
Review Article

Thermocatalytic CO2 conversion by siliceous matter: a review

Silica/silicate-based nanocatalysts have shown great potential for catalytic hydrogenation of CO2 to various value-added chemicals. This review presents the recent development of siliceous matter in this important field of heterogeneous catalysis.

Graphical abstract: Thermocatalytic CO2 conversion by siliceous matter: a review
From the themed collection: Journal of Materials Chemistry A HOT Papers
Communication

Realization of electron-deficient Ru sites via Co4N coupling for synergistically enhanced alkaline hydrogen evolution

The effective charge transfer from Ru to Co4N allows an optimized water adsorption energy and more electrons to activate H2O molecules, thus realizing an enhanced activity for hydrogen evolution.

Graphical abstract: Realization of electron-deficient Ru sites via Co4N coupling for synergistically enhanced alkaline hydrogen evolution
From the themed collection: Journal of Materials Chemistry A HOT Papers
Communication

Multicore–shell iron fluoride@carbon microspheres as a long-life cathode for high-energy lithium batteries

Multicore–shell iron fluoride@carbon microspheres, synthesized using a bottom-up method, have a quality carbon coat and smaller core size. As a conversion cathode of lithium batteries, it exhibits notable stability over 3500 cycles at 1 C.

Graphical abstract: Multicore–shell iron fluoride@carbon microspheres as a long-life cathode for high-energy lithium batteries
From the themed collection: Journal of Materials Chemistry A HOT Papers
Open Access Communication

Multifunctional materials for catalyst-specific heating and thermometry in tandem catalysis

A multifunctional material design, integrating catalytic and auxiliary magnetic susception and contactless thermal sensing functionalities, unlocks catalyst-specific heating and thermometry for spatially proximate solid catalysts in a single reactor.

Graphical abstract: Multifunctional materials for catalyst-specific heating and thermometry in tandem catalysis
From the themed collection: Journal of Materials Chemistry A HOT Papers
Communication

Negative-pressure sulfurization of antimony sulfide thin films for generating a record open-circuit voltage of 805 mV in solar cell applications

Herein, we developed a new sulfurization method to obtain S-rich Sb2S3, which passivated the internal deep-level defects of the film. Finally, a record open-circuit voltage of 805 mV was achieved, which is the highest value for Sb2S3 solar cells.

Graphical abstract: Negative-pressure sulfurization of antimony sulfide thin films for generating a record open-circuit voltage of 805 mV in solar cell applications
From the themed collection: Journal of Materials Chemistry A HOT Papers
Open Access Communication

Tuning the guest-induced spatiotemporal response of isostructural dynamic frameworks towards efficient gas separation and storage

One-atom exchange in a flexible MOF changes the 2nd order phase transformation to 1st order, enabling efficient gas storage and separation.

Graphical abstract: Tuning the guest-induced spatiotemporal response of isostructural dynamic frameworks towards efficient gas separation and storage
From the themed collection: Journal of Materials Chemistry A HOT Papers
Communication

Metal–metalloid alloys: mesoporous Rh–Te films for electrocatalytic nitrogen fixation

Mesoporous Rh–Te alloy films on carbon paper are synthesized via a micelle-assisted electrodeposition method, exhibiting improved performance for nitrogen reduction to ammonia.

Graphical abstract: Metal–metalloid alloys: mesoporous Rh–Te films for electrocatalytic nitrogen fixation
From the themed collection: Journal of Materials Chemistry A HOT Papers
Communication

InCl3-modified SnO2 as an electron transporting layer for Cd-free antimony selenide solar cells

We demonstrated InCl3 modified SnO2 as ETL in Sb2Se3 solar cells. InCl3 post-treatment blocked the downward diffusion of Se and improved the quality of the SnO2/Sb2Se3 heterojunction. Thus, a Cd-free Sb2Se3 solar cell achieved a PCE of 5.52%.

Graphical abstract: InCl3-modified SnO2 as an electron transporting layer for Cd-free antimony selenide solar cells
From the themed collection: Journal of Materials Chemistry A HOT Papers
Communication

Effect of singlet oxygen on redox mediators in lithium–oxygen batteries

1O2 reacts with RMs but the effect of 1O2 on the function of RMs has been ambiguous. In this work we show the effect of RMs functionality from various perspectives and classified them following the reaction of RMs with 1O2.

Graphical abstract: Effect of singlet oxygen on redox mediators in lithium–oxygen batteries
From the themed collection: Journal of Materials Chemistry A HOT Papers
Communication

Self-templated synthesis of novel and robust honeycomb-like N-doped highly graphitized carbon from low-temperature carbonization

Honeycomb-like N-doped highly graphitized carbon is prepared by self-templated magnesiothermic reduction. Porosity and graphiticity of the prepared carbon support greatly improve the catalytic performance and durability of PtCo alloy in PEMFCs.

Graphical abstract: Self-templated synthesis of novel and robust honeycomb-like N-doped highly graphitized carbon from low-temperature carbonization
From the themed collection: Journal of Materials Chemistry A HOT Papers
Communication

Advancing vapor-deposited perovskite solar cells via machine learning

The optimal device architecture and its fabrication parameters for vapor-deposited perovskite solar cells are investigated by machine learning, predicting the highest power conversion efficiency of 26.1%.

Graphical abstract: Advancing vapor-deposited perovskite solar cells via machine learning
From the themed collection: Journal of Materials Chemistry A HOT Papers
Communication

High-areal-capacity anode-free all-solid-state lithium batteries enabled by interconnected carbon-reinforced ionic-electronic composites

A three-dimensional carbon-reinforced ionic-electronic composite (CRIEC) boosts the cycling areal capacities of working anode-free all-solid-state lithium batteries.

Graphical abstract: High-areal-capacity anode-free all-solid-state lithium batteries enabled by interconnected carbon-reinforced ionic-electronic composites
From the themed collection: Journal of Materials Chemistry A HOT Papers
Communication

Enhancing the cycle-life of initial-anode-free lithium-metal batteries by pre-lithiation in Mn-based Li-rich spinel cathodes

Benefiting from the highly reversible structural evolution of the pre-lithiated Li-rich Li2Mn2O4 cathode, the corresponding anode-free coin cell delivers a considerable 94.4% capacity retention after 40 cycles.

Graphical abstract: Enhancing the cycle-life of initial-anode-free lithium-metal batteries by pre-lithiation in Mn-based Li-rich spinel cathodes
Communication

How carbon contamination on the photocatalysts interferes with the performance analysis of CO2 reduction

Carbon contamination on the photocatalysts intereferes the performance analysis of photocatalytic carbon dioxide (CO2) reduction reaction (CO2RR).

Graphical abstract: How carbon contamination on the photocatalysts interferes with the performance analysis of CO2 reduction
From the themed collection: Journal of Materials Chemistry A HOT Papers
Communication

Understanding and unlocking the role of V in boosting the reversible hydrogen storage performance of MgH2

The strong bonding interactions between V and H lead to the decrease of the energy required for H2 desorption from MgH2 to 49.5 kJ mol−1, 10.9 kJ mol−1 lower than that of pristine MgH2.

Graphical abstract: Understanding and unlocking the role of V in boosting the reversible hydrogen storage performance of MgH2
From the themed collection: Journal of Materials Chemistry A HOT Papers
Open Access Communication

Fluoroalkyl phosphonic acid radical scavengers for proton exchange membrane fuel cells

Fluoroalkyl phosphonic acids are demonstrated to be an efficient radical scavenger for Nafion™, showing a 58% lower fluoride emission rate than the state of the art, cerium.

Graphical abstract: Fluoroalkyl phosphonic acid radical scavengers for proton exchange membrane fuel cells
From the themed collection: Journal of Materials Chemistry A HOT Papers
Communication

Ultrahigh energy storage density, high efficiency and superior thermal stability in Bi0.5Na0.5TiO3-based relaxor ferroelectric ceramics via constructing multiphase structures

BNT-based ceramics with polymorphic PNRs display an ultrahigh Wrec of 7.4 J cm−3 and a high η of 89% at 400 kV cm−1, as well as excellent thermal reliability.

Graphical abstract: Ultrahigh energy storage density, high efficiency and superior thermal stability in Bi0.5Na0.5TiO3-based relaxor ferroelectric ceramics via constructing multiphase structures
From the themed collection: Journal of Materials Chemistry A HOT Papers
Communication

(Bi1/6Na1/6Ba1/6Sr1/6Ca1/6Pb1/6)TiO3-based high-entropy dielectric ceramics with ultrahigh recoverable energy density and high energy storage efficiency

The unique atom configuration in high-entropy dielectric ceramics gives rise to high Pmax, small Pr. Accordingly, ultrahigh recoverable energy density of 8.8 J cm−3 and high η of 92.5%, as well as excellent thermal stability, are achieved.

Graphical abstract: (Bi1/6Na1/6Ba1/6Sr1/6Ca1/6Pb1/6)TiO3-based high-entropy dielectric ceramics with ultrahigh recoverable energy density and high energy storage efficiency
From the themed collection: Journal of Materials Chemistry A HOT Papers
Communication

Dynamic molecular tunnel junctions based on self-assembled monolayers for high tunneling current triboelectricity generation

Here, we show a novel energy conversion design with a dynamic MIM structure. This is realized though grafting CF3 group which shows high tunnelling current density of up to 7.6 × 106 Am−2. This can further fulfill the macroscopic energy harvesting.

Graphical abstract: Dynamic molecular tunnel junctions based on self-assembled monolayers for high tunneling current triboelectricity generation
From the themed collection: Journal of Materials Chemistry A HOT Papers
Communication

Photostable organic solar cells based on non-fullerene acceptors with an aminated bathocuproine electron transport layer

Solution-processed bathocuproine (BCP) has been widely used in fullerene (FA)-based organic solar cells (OSCs) for decades as an electron transport layer (ETL).

Graphical abstract: Photostable organic solar cells based on non-fullerene acceptors with an aminated bathocuproine electron transport layer
From the themed collection: Journal of Materials Chemistry A HOT Papers
Communication

Inhibition of the P3–O3 phase transition via local symmetry tuning in P3-type layered cathodes for ultra-stable sodium storage

We reconfigure the sodiation/desodiation process of P3-type layered cathodes by a local symmetry tuning strategy to enhance their stability. The cathodes exhibit long-term cycling stability with a higher capacity retention of 74% after 2000 cycles at 1C.

Graphical abstract: Inhibition of the P3–O3 phase transition via local symmetry tuning in P3-type layered cathodes for ultra-stable sodium storage
From the themed collection: Journal of Materials Chemistry A HOT Papers
Communication

Super-efficient fire safety poly(lactide) enabled by unique radical trapping

Poly(lactic acid) (PLA) as a promising bio-plastic will decompose to small molecule flammable volatiles via chain scission, which thus exhibit poor fire safety and highly restrict its real-world applications.

Graphical abstract: Super-efficient fire safety poly(lactide) enabled by unique radical trapping
From the themed collection: Journal of Materials Chemistry A HOT Papers
Communication

Redox mediators promote electrochemical oxidation of nitric oxide toward ambient nitrate synthesis

Under ambient conditions, using low concentration NO (1%), ultrahigh nitrate formation rates in a two-electrode system can be achieved via the eCOR-NOOR. The structure changes of electrode materials under real reaction conditions are revealed.

Graphical abstract: Redox mediators promote electrochemical oxidation of nitric oxide toward ambient nitrate synthesis
From the themed collection: Journal of Materials Chemistry A HOT Papers
Paper

Origin of electric field-dependent charge generation in organic photovoltaics with planar and bulk heterojunctions

The electric field dependence in the charge generation process of organic solar cells in planar heterojunction and bulk heterojunction structures is related to the energetics and molecular orientation at the donor/acceptor interfaces.

Graphical abstract: Origin of electric field-dependent charge generation in organic photovoltaics with planar and bulk heterojunctions
From the themed collection: Journal of Materials Chemistry A HOT Papers
Open Access Paper

Band gap engineering by cationic substitution in Sn(Zr1−xTix)Se3 alloy for bottom sub-cell application in solar cells

The bandgap of SnZrSe3 was successfully engineered by cationic substitution to create novel materials photoactive in the short wavelength infrared region.

Graphical abstract: Band gap engineering by cationic substitution in Sn(Zr1−xTix)Se3 alloy for bottom sub-cell application in solar cells
From the themed collection: Journal of Materials Chemistry A HOT Papers
Open Access Paper

Dy(OH)3: a paramagnetic magnetocaloric material for hydrogen liquefaction

Dy(OH)3 has impressive magnetocaloric performance optimised around 20 K making it suitable for hydrogen liquefaction using magnetic cooling.

Graphical abstract: Dy(OH)3: a paramagnetic magnetocaloric material for hydrogen liquefaction
From the themed collection: Journal of Materials Chemistry A HOT Papers
Paper

Copper hydroxide/basic copper salt derived Cu0 with a clear grain boundary for selective electrocatalytic CO2 reduction to produce multicarbon products

Cu(OH)2/basic copper salt compounds are in situ reduced to Cu0 nanoparticles with clear grain boundaries during the electrocatalytic CO2 reduction process, which endows the derived Cu electrocatalyst with high selectivity towards C2+ products.

Graphical abstract: Copper hydroxide/basic copper salt derived Cu0 with a clear grain boundary for selective electrocatalytic CO2 reduction to produce multicarbon products
From the themed collection: Journal of Materials Chemistry A HOT Papers
Paper

Mechanistic insight into a Co-based metal–organic framework as an efficient oxygen electrocatalyst via an in situ FT-IR study

Cobalt-imidazole-tetracarboxylate metal–organic framework (Co-MOF) and further modified with graphene (G) as heterogeneous electrocatalyst displays a bifunctional electrocatalytic performance towards ORR/OER.

Graphical abstract: Mechanistic insight into a Co-based metal–organic framework as an efficient oxygen electrocatalyst via an in situ FT-IR study
From the themed collection: Journal of Materials Chemistry A HOT Papers
Paper

First-principles study on the photocatalytic field of two-dimensional Janus BiSY (Y = I, Br, Cl) monolayers

This study demonstrates the photocatalytic performance of two-dimensional Janus BiSY (Y = I, Br, Cl) based on energy bands, vacuum energy levels, absorption spectra, and reaction potential diagrams.

Graphical abstract: First-principles study on the photocatalytic field of two-dimensional Janus BiSY (Y = I, Br, Cl) monolayers
From the themed collection: Journal of Materials Chemistry A HOT Papers
Paper

In situ molecule-level interface tailoring of metastable intermolecular composite chips toward on-demand heat release and information encryption

A promising high-energy nano-Al/MnO2 MIC chip with on-demand heat-release and in situ information recording/encryption was designed, which provides a novel insight for the development of the next generation of smart MIC devices.

Graphical abstract: In situ molecule-level interface tailoring of metastable intermolecular composite chips toward on-demand heat release and information encryption
From the themed collection: Journal of Materials Chemistry A HOT Papers
Paper

Underlying factors of mega pressure hysteresis in cerium-rich CaCu5-type metal hydrides and effective modification strategies

Strong elastic deformation resistance and an intrinsic stable energetic state contribute to the mega pressure hysteresis in Ce-rich CaCu5-type metal hydrides.

Graphical abstract: Underlying factors of mega pressure hysteresis in cerium-rich CaCu5-type metal hydrides and effective modification strategies
From the themed collection: Journal of Materials Chemistry A HOT Papers
Paper

Morphology and cell performance of poly(fluorene)-based anion exchange membranes for water electrolysis: effect of backbone core structure

We report on the different core structures comprising biphenyl, fluorene, and spirobifluorene-based poly(fluorene) with an alkyl incorporated into the polymer backbone to confirmed the effect of core structures on morphology and ionic conductivity.

Graphical abstract: Morphology and cell performance of poly(fluorene)-based anion exchange membranes for water electrolysis: effect of backbone core structure
From the themed collection: Journal of Materials Chemistry A HOT Papers
Paper

A highly durable AgOx cluster/mesoporous TiO2 photocatalyst with synergistic effects induced superior H2 evolution and CO2 reduction

Obtained from in situ surface anchoring, the highly active and durable AgOx cluster@mesoporous TiO2 exhibits tunable physicochemical property that facilitates superior photocatalytic HER and CO2RR, and changes selective production from CO/CH4 to CO.

Graphical abstract: A highly durable AgOx cluster/mesoporous TiO2 photocatalyst with synergistic effects induced superior H2 evolution and CO2 reduction
From the themed collection: Journal of Materials Chemistry A HOT Papers
Paper

High piezoelectricity induced by lattice distortion and domain realignment in Li2CO3-added lead-based ceramics

The 0.2Pb(Ni1/3Nb2/3)O3–0.1Pb(Zn1/3Nb2/3)O3–0.7Pb(Zr0.46Ti0.54)O3 + xwt% Li2CO3 ceramics were synthesized by the solid–state reaction method.

Graphical abstract: High piezoelectricity induced by lattice distortion and domain realignment in Li2CO3-added lead-based ceramics
From the themed collection: Journal of Materials Chemistry A HOT Papers
Open Access Paper

Ultrafast 3MLCT quenching and vibrational coherence: excited-state dynamics of the first-discovered Fe(II)–carbene sensitiser resolved

Full-dimensional trajectory surface hopping dynamics simulations reveal the intricate details of the photorelaxation mechanism in [Fe(bmip)2]2+, the first-discovered Fe–carbene photosensitiser (bmip = 2,6-bis(3-methyl-imidazole-1-ylidine)-pyridine).

Graphical abstract: Ultrafast 3MLCT quenching and vibrational coherence: excited-state dynamics of the first-discovered Fe(ii)–carbene sensitiser resolved
From the themed collection: Journal of Materials Chemistry A HOT Papers
Paper

Realizing low-ion-migration and highly sensitive X-ray detection by building g-C3N4 and CH3NH3PbI3 bulk heterojunction pellets

A g-C3N4 and CH3NH3PbI3 bulk heterojunction pellet can achieve high X-ray sensitivities with a small dark current drift. It also showed long-term current stability under operational conditions, indicating its application in sensitive X-ray imaging.

Graphical abstract: Realizing low-ion-migration and highly sensitive X-ray detection by building g-C3N4 and CH3NH3PbI3 bulk heterojunction pellets
From the themed collection: Journal of Materials Chemistry A HOT Papers
Open Access Paper

Identifying pathways to metal–organic framework collapse during solvent activation with molecular simulations

Visualisation of MOF activation mechanisms, showing gas-like solvent behaviour leading to successful activation (top), and capillary-like solvent behaviour leading to collapse (bottom).

Graphical abstract: Identifying pathways to metal–organic framework collapse during solvent activation with molecular simulations
From the themed collection: Journal of Materials Chemistry A HOT Papers
Paper

Hollow sp2-conjugated covalent organic framework encapsulating thiophene-based photosensitizer for enhanced visible-light-driven hydrogen evolution

The morphologies of fibers, spheres and bowls were controlled in COF. A novel p–n heterostructure was fabricated by encapsulating photosensitizer in hollow-COF. The hollow structure, staggered band alignment and large contact area greatly improved the hydrogen evolution activity.

Graphical abstract: Hollow sp2-conjugated covalent organic framework encapsulating thiophene-based photosensitizer for enhanced visible-light-driven hydrogen evolution
From the themed collection: Journal of Materials Chemistry A HOT Papers
Paper

Dense cuprous oxide sheath decorated three-dimensional copper foam enabling stable lithium metal anodes

A 3D composite collector comprising lithiophilic Cu2O coated CF was synthesized using a simple, one-step hydrothermal synthesis. A dense and uniform coating layer with an appropriate thickness is essential for achieving smooth lithium deposition.

Graphical abstract: Dense cuprous oxide sheath decorated three-dimensional copper foam enabling stable lithium metal anodes
From the themed collection: Journal of Materials Chemistry A HOT Papers
Paper

Hierarchically spring nanofibrous and wrinkled-structured electrode for highly comfortable wearable triboelectric nanogenerators

Fabrication of textile-based wrinkled stretchable TENGs (WS-TENGs) using spring wrinkled nylon 6/6, hierarchically wrinkled PEDOT:PSS, and wrinkled AgNWs-SWCNTs/PET-Lycra.

Graphical abstract: Hierarchically spring nanofibrous and wrinkled-structured electrode for highly comfortable wearable triboelectric nanogenerators
From the themed collection: Journal of Materials Chemistry A HOT Papers
Open Access Paper

Expanding the horizons of porphyrin metal–organic frameworks via catecholate coordination: exploring structural diversity, material stability and redox properties

Three novel MOF phases based on catecholate porphyrin and M(III) cations are isolated. Their properties are elucidated through comprehensive structural and physical analyses, and a high surface area and reversible redox activity are evidenced.

Graphical abstract: Expanding the horizons of porphyrin metal–organic frameworks via catecholate coordination: exploring structural diversity, material stability and redox properties
From the themed collection: Functional Framework Materials
Paper

MnO–Co@Pt nanowires encapsulated in N-doped porous carbon derived from MOFs for efficient electrocatalytic methanol oxidation reaction

Schematic illustration for the preparation of the MnO–Co@Pt NPC.

Graphical abstract: MnO–Co@Pt nanowires encapsulated in N-doped porous carbon derived from MOFs for efficient electrocatalytic methanol oxidation reaction
From the themed collection: Journal of Materials Chemistry A HOT Papers
Paper

Synergistic design of a new PbHfO3-based antiferroelectric solid solution with high energy storage and large strain performances under low electric fields

Excellent energy storage density and strain performances are achieved in a new PbHfO3-based antiferroelectric solid solution under low electric fields by a synergistic design strategy.

Graphical abstract: Synergistic design of a new PbHfO3-based antiferroelectric solid solution with high energy storage and large strain performances under low electric fields
From the themed collection: Journal of Materials Chemistry A HOT Papers
Paper

MXene decorated 3D-printed carbon black-based electrodes for solid-state micro-supercapacitors

Three-dimensional (3D) printing offers a unique approach to fabricating free-standing and complex structured electrodes for high-performance micro-supercapacitors (MSCs).

Graphical abstract: MXene decorated 3D-printed carbon black-based electrodes for solid-state micro-supercapacitors
From the themed collection: Journal of Materials Chemistry A HOT Papers
Paper

Solar-driven photocatalytic removal of NO over a concrete paving eco-block containing black TiO2

The as-prepared black TiO2-based concrete paving eco-block exhibits outstanding photocatalytic NO removal efficiency without harmful by-products and an enhanced binding force between the photocatalyst and concrete matrix.

Graphical abstract: Solar-driven photocatalytic removal of NO over a concrete paving eco-block containing black TiO2
From the themed collection: Journal of Materials Chemistry A HOT Papers
Paper

A facile strategy to achieve vitrimer-like elastomer composites with lignin as a renewable bio-filler toward excellent reinforcement and recyclability

Vitrimer-like elastomer composites with lignin as a renewable bio-filler, showing effective reinforcement, recyclability and photothermal performance, were prepared.

Graphical abstract: A facile strategy to achieve vitrimer-like elastomer composites with lignin as a renewable bio-filler toward excellent reinforcement and recyclability
From the themed collection: Journal of Materials Chemistry A HOT Papers
Paper

Reaction mechanism and kinetics of oxygen reduction reaction on the iron–nickel dual atom catalyst

Dual-atom catalysts (DACs) have recently emerged as promising and high-activity catalysts for the oxygen reduction reaction (ORR), a key process in many electrochemical energy conversion devices.

Graphical abstract: Reaction mechanism and kinetics of oxygen reduction reaction on the iron–nickel dual atom catalyst
From the themed collection: Journal of Materials Chemistry A HOT Papers
Paper

Cu-ATC vs. Cu-BTC: comparing the H2 adsorption mechanism through experiment, molecular simulation, and inelastic neutron scattering studies

A combined experimental, inelastic neutron scattering, and theoretical study revealed that the metal–organic framework Cu-ATC exhibits greater H2 adsorption affinity compared to the well-known Cu-BTC.

Graphical abstract: Cu-ATC vs. Cu-BTC: comparing the H2 adsorption mechanism through experiment, molecular simulation, and inelastic neutron scattering studies
From the themed collection: Journal of Materials Chemistry A HOT Papers
Paper

p-State of surface oxygen for mediating the s-band center of a single-atomic Ag catalyst for enhanced catalytic property for the oxygen reduction reaction

The crucial role of the s-band center of single-atomic Ag catalysts on their catalytic selectivity for the ORR is theoretically uncovered.

Graphical abstract: p-State of surface oxygen for mediating the s-band center of a single-atomic Ag catalyst for enhanced catalytic property for the oxygen reduction reaction
From the themed collection: Journal of Materials Chemistry A HOT Papers
Paper

Ultrafine Co3O4 nanoparticles-engineered binary metal nitride nanorods with interfacial charge redistribution for enhanced water splitting

Herein, an efficient bifunctional electrocatalyst based on binary metal nitride (Zn3N2–Co2N) nanorod arrays decorated with ultrathin Co3O4 nanoparticles is prepared to improve overall water splitting performance.

Graphical abstract: Ultrafine Co3O4 nanoparticles-engineered binary metal nitride nanorods with interfacial charge redistribution for enhanced water splitting
From the themed collection: Journal of Materials Chemistry A HOT Papers
Paper

Tribovoltaic effect promotes highly efficient direct current generator

Currently, extremely high voltage output has been achieved by a direct current triboelectric nanogenerator (DC-TENG) based on semiconductor–semiconductor interfaces.

Graphical abstract: Tribovoltaic effect promotes highly efficient direct current generator
From the themed collection: Journal of Materials Chemistry A HOT Papers
Paper

On-site formation of silver decorated carbon as an anodeless electrode for high-energy density all-solid-state batteries

Anodeless electrode composed of Ag ion complexes and carbon black was fabricated. All-solid-state batteries with anodeless electrodes exhibited improved cyclability, highlighting the usefulness of anodeless electrodes for this emerging technology.

Graphical abstract: On-site formation of silver decorated carbon as an anodeless electrode for high-energy density all-solid-state batteries
From the themed collection: Journal of Materials Chemistry A HOT Papers
378 items - Showing page 1 of 6

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This on-going web collection features all the articles published in Journal of Materials Chemistry A in 2023 marked as HOT, as recommended by referees.  Congratulations to all the authors whose articles are featured!

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