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Themed collection 2018 Journal of Materials Chemistry A HOT Papers

245 items - Showing page 1 of 4
Communication

Proton-mediated energy storage in intermediate-temperature solid-oxide metal–air batteries

Proton-containing ceramics have been investigated for the first time as the supporting phase for the energy storage medium in intermediate-temperature (IT) solid-oxide metal–air redox batteries.

Graphical abstract: Proton-mediated energy storage in intermediate-temperature solid-oxide metal–air batteries
Paper

Two-dimensional few-layer group-III metal monochalcogenides as effective photocatalysts for overall water splitting in the visible range

Using first-principles calculations, the photocatalytic performances of two dimensional (2D) few-layer group-III metal monochalcogenides MXs (M = Ga, In; X= S, Se) towards overall water splitting reaction are systematically investigated.

Graphical abstract: Two-dimensional few-layer group-III metal monochalcogenides as effective photocatalysts for overall water splitting in the visible range
Paper

High performance concentration capacitors with graphene hydrogel electrodes for harvesting salinity gradient energy

Concentration capacitors with graphene hydrogel electrodes are proposed to efficiently harvest salinity gradient energy.

Graphical abstract: High performance concentration capacitors with graphene hydrogel electrodes for harvesting salinity gradient energy
Paper

Programmable helical twisting in oriented humidity-responsive bilayer films generated by spray-coating of a chiral nematic liquid crystal

A chiral nematic liquid crystal was spray-applied onto uniaxially stretched substrates to direct the macroscopic humidity-response in bilayer actuators.

Graphical abstract: Programmable helical twisting in oriented humidity-responsive bilayer films generated by spray-coating of a chiral nematic liquid crystal
Paper

Formation of defects and their effects on hydride ion transport properties in a series of K2NiF4-type oxyhydrides

We explore formation and stability of defects, and the hydride ion migration mechanisms in K2NiF4-type oxyhydrides by first principles calculations.

Graphical abstract: Formation of defects and their effects on hydride ion transport properties in a series of K2NiF4-type oxyhydrides
Paper

Phosphorized polyoxometalate-etched iron-hydroxide porous nanotubes for efficient electrocatalytic oxygen evolution

FeOOH/FePOx porous nanotubes were prepared with polyoxometalates for high-performance electrocatalytic OER, affording a low overpotential of 230 mV.

Graphical abstract: Phosphorized polyoxometalate-etched iron-hydroxide porous nanotubes for efficient electrocatalytic oxygen evolution
Review Article

Recent progress in porphyrin-based materials for organic solar cells

This article is written to provide an up-to-date review of porphyrin-based materials used in organic solar cells (OSCs).

Graphical abstract: Recent progress in porphyrin-based materials for organic solar cells
From the themed collection: Recent Review Articles
Paper

Selective electrocatalysis of biofuel molecular oxidation using palladium nanoparticles generated on Shewanella oneidensis MR-1

Microbial production of molecular scale palladium (PD) nanoparticles (NPs) is important due to their catalytic function in selective electrochemical oxidation of a number of core fuel molecules in fuel cells.

Graphical abstract: Selective electrocatalysis of biofuel molecular oxidation using palladium nanoparticles generated on Shewanella oneidensis MR-1
Paper

Structural transition in orthorhombic Li5−xHxLa3Nb2O12 garnets induced by a concerted lithium and proton diffusion mechanism

Li5−xHxLa3Nb2O12 (x ≈ 2.8) transforms from an orthorhombic into a cubic symmetry through a phase transition driven by concerted Li and H diffusion.

Graphical abstract: Structural transition in orthorhombic Li5−xHxLa3Nb2O12 garnets induced by a concerted lithium and proton diffusion mechanism
Communication

Polymeric acid-doped transparent carbon nanotube electrodes for organic solar cells with the longest doping durability

This communication reports the discovery of an effective and long-lasting p-type dopant polymeric acid for transparent carbon electrodes.

Graphical abstract: Polymeric acid-doped transparent carbon nanotube electrodes for organic solar cells with the longest doping durability
Paper

A high dielectric constant non-fullerene acceptor for efficient bulk-heterojunction organic solar cells

A non-fullerene acceptor with a high relative dielectric constant (εr) over 9 is developed. It offers an efficiency of 8.5%, which is the best result for organic solar cells employing high εr materials. Further research should focus on morphology optimization to make high εr practically useful in devices.

Graphical abstract: A high dielectric constant non-fullerene acceptor for efficient bulk-heterojunction organic solar cells
Paper

Synthesis of STW zeolites using imidazolium-based dications of varying length

Experimental synthesis of STW zeolites using imidazolium-based dications and theoretical simulation of suitable SDAs to produce homochiral STW zeolites.

Graphical abstract: Synthesis of STW zeolites using imidazolium-based dications of varying length
Paper

Supercritical CO2-assisted synthesis of 3D porous SiOC/Se cathode for ultrahigh areal capacity and long cycle life Li–Se batteries

A facile biotemplating method with the assistance of a supercritical CO2 technique has been developed to construct a unique 3D porous SiOC/Se cathode for ultrahigh areal capacity and long cycle life Li–Se batteries.

Graphical abstract: Supercritical CO2-assisted synthesis of 3D porous SiOC/Se cathode for ultrahigh areal capacity and long cycle life Li–Se batteries
Paper

Highly efficient and ultra-stable boron-doped graphite felt electrodes for vanadium redox flow batteries

Highly efficient and ultra-stable boron-doped graphite felt electrodes are designed, fabricated and tested for vanadium redox flow batteries.

Graphical abstract: Highly efficient and ultra-stable boron-doped graphite felt electrodes for vanadium redox flow batteries
Paper

Transition metal anchored C2N monolayers as efficient bifunctional electrocatalysts for hydrogen and oxygen evolution reactions

By means of first-principles computations, we screened a series of transition metal atom anchored C2N monolayers (TMx@C2N) as bifunctional electrocatalysts for both HER and OER.

Graphical abstract: Transition metal anchored C2N monolayers as efficient bifunctional electrocatalysts for hydrogen and oxygen evolution reactions
Communication

Defect engineering of highly stable lanthanide metal–organic frameworks by particle modulation for coating catalysis

A powerful strategy to design the structure, control the particle sizes and fabricate catalytic devices is developed for lanthanide MOFs.

Graphical abstract: Defect engineering of highly stable lanthanide metal–organic frameworks by particle modulation for coating catalysis
Paper

Patching defects in the active layer of large-area organic solar cells

Polar-solvent-soluble, electrical-insulating polymers were used to patch the defects inside the active layer via a Maobi coating to enhance the device yield for large-area organic solar cells.

Graphical abstract: Patching defects in the active layer of large-area organic solar cells
Communication

A eutectic salt-assisted semi-closed pyrolysis route to fabricate high-density active-site hierarchically porous Fe/N/C catalysts for the oxygen reduction reaction

A general “eutectic salt-assisted semi-closed pyrolysis approach” is presented for the fabrication of a high-density active-site hierarchically porous Fe/N/C catalyst.

Graphical abstract: A eutectic salt-assisted semi-closed pyrolysis route to fabricate high-density active-site hierarchically porous Fe/N/C catalysts for the oxygen reduction reaction
Paper

A facile route for the synthesis of heterogeneous crystal structures in hierarchical architectures with vacancy-driven defects via the oriented attachment growth mechanism

One-dimensional rutile TiO2 nanorod arrays with a tunable morphology and intact crystalline sub-nano structures attached are successfully fabricated as a large-scale film based on substrates.

Graphical abstract: A facile route for the synthesis of heterogeneous crystal structures in hierarchical architectures with vacancy-driven defects via the oriented attachment growth mechanism
Paper

Interfacial engineering via inserting functionalized water-soluble fullerene derivative interlayers for enhancing the performance of perovskite solar cells

Two novel fullerene derivatives were synthesized and utilized as buffer layers in perovskite solar cells for the first time.

Graphical abstract: Interfacial engineering via inserting functionalized water-soluble fullerene derivative interlayers for enhancing the performance of perovskite solar cells
Communication

Inter-phase charge and energy transfer in Ruddlesden–Popper 2D perovskites: critical role of the spacing cations

Photo-generated charge carrier dynamics in Ruddlesden–Popper 2D perovskites with linear (n-BA) and branched (iso-BA) butylamine as spacing cations have been studied by using transient absorption and time-resolved photoluminescence spectroscopies.

Graphical abstract: Inter-phase charge and energy transfer in Ruddlesden–Popper 2D perovskites: critical role of the spacing cations
Paper

An air-stable lithiated cathode material based on a 1,4-benzenedisulfonate backbone for organic Li-ion batteries

To meet current market demands as well as emerging environmental concerns there is a need to develop less polluting battery technologies.

Graphical abstract: An air-stable lithiated cathode material based on a 1,4-benzenedisulfonate backbone for organic Li-ion batteries
Paper

High-performance n-type thermoelectric composites of acridones with tethered tertiary amines and carbon nanotubes

Acridone derivatives with different terminal tertiary amine groups were first developed as good n-type thermoelectric composites, and a high power factor of 289.4 μW m−1 K−2 at 430 K was achieved.

Graphical abstract: High-performance n-type thermoelectric composites of acridones with tethered tertiary amines and carbon nanotubes
Communication

Energetic salts of 4-nitramino-3-(5-dinitromethyl-1,2,4-oxadiazolyl)-furazan: powerful alliance towards good thermal stability and high performance

A new series of 4-nitramino-3-(5-dinitromethyl-1,2,4-oxadiazolyl)-furazan-based energetic compounds which are competitive with HMX was synthesized in four steps with an overall yield of ∼50% by using a straightforward method.

Graphical abstract: Energetic salts of 4-nitramino-3-(5-dinitromethyl-1,2,4-oxadiazolyl)-furazan: powerful alliance towards good thermal stability and high performance
Paper

Suppressing the voltage decay of low-cost P2-type iron-based cathode materials for sodium-ion batteries

We demonstrate the voltage decay in Fe based layered oxides comes from a dynamic origin. With excess Cu doping, Fe migration can be mitigated and structural stability can be maintained.

Graphical abstract: Suppressing the voltage decay of low-cost P2-type iron-based cathode materials for sodium-ion batteries
Communication

1D N-doped hierarchically porous hollow carbon tubes derived from a supramolecular template as metal-free electrocatalysts for a highly efficient oxygen reduction reaction

1D hollow nitrogen-doped carbon tubes (h-NCTs) were fabricated through a supramolecular template-derived approach and employed as the structure-guiding template, porogen and nitrogen source for in situ N-doping.

Graphical abstract: 1D N-doped hierarchically porous hollow carbon tubes derived from a supramolecular template as metal-free electrocatalysts for a highly efficient oxygen reduction reaction
Paper

Revealing the beneficial effects of Ge doping on Cu2ZnSnSe4 thin film solar cells

The beneficial effect of Ge doping on kesterite absorbers is revealed and insights into kesterite's intrinsic defect chemistry are given.

Graphical abstract: Revealing the beneficial effects of Ge doping on Cu2ZnSnSe4 thin film solar cells
Communication

Facile template-free synthesis of uniform carbon-confined V2O3 hollow spheres for stable and fast lithium storage

A facile and efficient template-free method has been successfully developed to fabricate uniform nitrogen-doped carbon-confined V2O3 hollow spheres, which displayed stable and fast lithium storage.

Graphical abstract: Facile template-free synthesis of uniform carbon-confined V2O3 hollow spheres for stable and fast lithium storage
Paper

Multi-compositional hierarchical nanostructured Ni3S2@MoSx/NiO electrodes for enhanced electrocatalytic hydrogen generation and energy storage

A facile one-step hydrothermal strategy to synthesize multi-compositional hierarchical nanostructured electrodes for energy conversion and storage.

Graphical abstract: Multi-compositional hierarchical nanostructured Ni3S2@MoSx/NiO electrodes for enhanced electrocatalytic hydrogen generation and energy storage
Paper

Deterioration mechanism of LiNi0.8Co0.15Al0.05O2/graphite–SiOx power batteries under high temperature and discharge cycling conditions

The capacity degradation of NCA/graphite–SiOx batteries under high temperature is attributed to lithium loss from the NCA cathode and structure decay of the graphite–SiOx anode.

Graphical abstract: Deterioration mechanism of LiNi0.8Co0.15Al0.05O2/graphite–SiOx power batteries under high temperature and discharge cycling conditions
Paper

A polymer design strategy toward green solvent processed efficient non-fullerene polymer solar cells

This work suggests an effective material design strategy to prepare efficient PSCs with a green solvent, which is important in PSCs.

Graphical abstract: A polymer design strategy toward green solvent processed efficient non-fullerene polymer solar cells
Paper

High valence Mo-doped Na3V2(PO4)3/C as a high rate and stable cycle-life cathode for sodium battery

High valence Mo-doped Na3−5xV2−xMox(PO4)3/C (0 < x < 0.04) has been investigated to promote Na ion diffusion.

Graphical abstract: High valence Mo-doped Na3V2(PO4)3/C as a high rate and stable cycle-life cathode for sodium battery
Paper

Controllable growth of SnS2 nanostructures on nanocarbon surfaces for lithium-ion and sodium-ion storage with high rate capability

Structural evolution of SnS2 from vertically or parallelly aligned nanosheets to ultra-small nanocrystals on nanocarbon surfaces is demonstrated and the latter exhibit enhanced rate performance and cycling stability for both Li-ion and Na-ion storage.

Graphical abstract: Controllable growth of SnS2 nanostructures on nanocarbon surfaces for lithium-ion and sodium-ion storage with high rate capability
Paper

Unravelling the reaction chemistry and degradation mechanism in aqueous Zn/MnO2 rechargeable batteries

Two-step redox reactions (Mn(II) ions ⇌ ZnMn2O4 spinel ⇌ layered Zn-birnessite) during the charge–discharge process.

Graphical abstract: Unravelling the reaction chemistry and degradation mechanism in aqueous Zn/MnO2 rechargeable batteries
Paper

Facile surface modification of CH3NH3PbI3 films leading to simultaneously improved efficiency and stability of inverted perovskite solar cells

Surface modification based on 4-DMABA allows for the enhancement of efficiency and stability of an inverted perovskite solar cell. This is ascribed to the passivation of the surface traps and recombination suppression, and to the hydrophobic surface capping layer, respectively.

Graphical abstract: Facile surface modification of CH3NH3PbI3 films leading to simultaneously improved efficiency and stability of inverted perovskite solar cells
Paper

Coral-like hierarchical carbon nanoarchitectures loaded with Rh- and Co-porphyrins as high-efficiency electrodes: effect of pore morphology on CO oxidation and oxygen reduction performance

Hierarchical coral-like carbon nanoarchitectures loaded with metalloporphyrin electrocatalysts reveal the pore morphology–electrochemical performance relationship and their superior performance in Pt-free, fuel cell-related reactions.

Graphical abstract: Coral-like hierarchical carbon nanoarchitectures loaded with Rh- and Co-porphyrins as high-efficiency electrodes: effect of pore morphology on CO oxidation and oxygen reduction performance
Review Article

Spinel photocatalysts for environmental remediation, hydrogen generation, CO2 reduction and photoelectrochemical water splitting

The fundamental aspects, photocatalytic applications and ways to enhance the performance of spinels are systematically reviewed in this paper.

Graphical abstract: Spinel photocatalysts for environmental remediation, hydrogen generation, CO2 reduction and photoelectrochemical water splitting
From the themed collection: Recent Review Articles
Communication

Magnesium ion based organic secondary batteries

Based on an n-type PDI–EDA anode, a p-type PTPAn cathode and a Mg(ClO4)2/AN electrolyte, a magnesium ion based secondary battery with organic electrodes exhibits excellent electrochemical performances.

Graphical abstract: Magnesium ion based organic secondary batteries
Paper

Photocatalysis in an evanescent field: an in situ approach to studying photocatalytic performance by tracing interfacial refractive index changes and kinetics

An in situ strategy to understand the photocatalytic performance of Cu2O–Ag@rGO nanocomposites through interfacial photocatalysis on an optical microfiber has been demonstrated.

Graphical abstract: Photocatalysis in an evanescent field: an in situ approach to studying photocatalytic performance by tracing interfacial refractive index changes and kinetics
Paper

Encapsulating nanoscale zero-valent iron with a soluble Mg(OH)2 shell for improved mobility and controlled reactivity release

NZVI with novel Mg(OH)2 encapsulation for considerably improved mobility, chemical stability, and controlled reactivity release for environmental remediation.

Graphical abstract: Encapsulating nanoscale zero-valent iron with a soluble Mg(OH)2 shell for improved mobility and controlled reactivity release
Paper

High pyridine N-doped porous carbon derived from metal–organic frameworks for boosting potassium-ion storage

Potassium ion batteries (PIBs) have been regarded as promising energy storage devices for large-scale energy storage owing to the abundance of potassium resources.

Graphical abstract: High pyridine N-doped porous carbon derived from metal–organic frameworks for boosting potassium-ion storage
Open Access Paper

Layered structure graphene oxide/methylcellulose composites with enhanced mechanical and gas barrier properties

Layered structure graphene oxide/methylcellulose composite films with excellent mechanical and gas barrier properties were fabricated by a simple solvent evaporation assisted assembly.

Graphical abstract: Layered structure graphene oxide/methylcellulose composites with enhanced mechanical and gas barrier properties
From the themed collection: Recent Open Access Articles
Paper

High-performance ternary organic solar cells with photoresponses beyond 1000 nm

Panchromatic ternary organic solar cells with photoresponses beyond 1000 nm and power conversion efficiencies as high as 12.1% were fabricated using low-bandgap polymer PTB7-Th as a donor and ultra low-bandgap F8IC and mid-bandgap IDT-2BR as nonfullerene acceptors.

Graphical abstract: High-performance ternary organic solar cells with photoresponses beyond 1000 nm
Review Article

Carbon, nitrogen and phosphorus containing metal-free photocatalysts for hydrogen production: progress and challenges

This article critically reviews the progress and challenges in using metal-free photocatalysts made from carbon, nitrogen and phosphorus used for hydrogen production.

Graphical abstract: Carbon, nitrogen and phosphorus containing metal-free photocatalysts for hydrogen production: progress and challenges
From the themed collection: Recent Review Articles
Paper

A hidden symmetry-broken phase of MoS2 revealed as a superior photovoltaic material

We predict a novel 1Td-MoS2 with a direct band gap of 1.27 eV which reaches a high photovoltaic efficiency of ∼33.3%.

Graphical abstract: A hidden symmetry-broken phase of MoS2 revealed as a superior photovoltaic material
Paper

PdNi alloy decorated 3D hierarchically N, S co-doped macro–mesoporous carbon composites as efficient free-standing and binder-free catalysts for Li–O2 batteries

PdNi/N, S co-doped porous carbon on carbon paper delivers superior electrochemical performance as an electrode for Li–O2 batteries.

Graphical abstract: PdNi alloy decorated 3D hierarchically N, S co-doped macro–mesoporous carbon composites as efficient free-standing and binder-free catalysts for Li–O2 batteries
Communication

A platinum oxide decorated amorphous cobalt oxide hydroxide nanosheet array towards alkaline hydrogen evolution

A platinum oxide decorated amorphous cobalt oxide hydroxide nanosheet array has been prepared and used for alkaline hydrogen evolution.

Graphical abstract: A platinum oxide decorated amorphous cobalt oxide hydroxide nanosheet array towards alkaline hydrogen evolution
Paper

Lithium phosphide/lithium chloride coating on lithium for advanced lithium metal anode

Lithium metal has been regarded as an ideal anode material for high-energy-density batteries.

Graphical abstract: Lithium phosphide/lithium chloride coating on lithium for advanced lithium metal anode
Paper

Coexistence of superhydrophilicity and superoleophobicity: theory, experiments and applications in oil/water separation

A model of the coexistence of superhydrophilicity and superoleophobicity with elaborate experimental proofs.

Graphical abstract: Coexistence of superhydrophilicity and superoleophobicity: theory, experiments and applications in oil/water separation
Communication

Robust graphene-wrapped PtNi nanosponge for enhanced oxygen reduction reaction performance

A graphene-wrapped 3D-PtNi nanosponge was synthesized using carbon dots as a structure-directing agent.

Graphical abstract: Robust graphene-wrapped PtNi nanosponge for enhanced oxygen reduction reaction performance
Paper

Diethyl(thiophen-2-ylmethyl)phosphonate: a novel multifunctional electrolyte additive for high voltage batteries

DTYP exhibits multiple functionalities that dramatically improve the performance of a high voltage Li-ion cell using LiNi0.5Mn1.5O4 at elevated temperature.

Graphical abstract: Diethyl(thiophen-2-ylmethyl)phosphonate: a novel multifunctional electrolyte additive for high voltage batteries
Paper

A K2Fe4O7 superionic conductor for all-solid-state potassium metal batteries

Potassium ferrite exhibits super-high ionic conductivity for all-solid-state potassium metal batteries.

Graphical abstract: A K2Fe4O7 superionic conductor for all-solid-state potassium metal batteries
Paper

Phosphorus-doped onion-like carbon for CO2 electrochemical reduction: the decisive role of the bonding configuration of phosphorus

Phosphorus-doped carbon shows superior performance for the CO2 electrochemical reduction reaction, revealing the crucial role of the phosphorus bonding configuration.

Graphical abstract: Phosphorus-doped onion-like carbon for CO2 electrochemical reduction: the decisive role of the bonding configuration of phosphorus
Paper

Oxygen-induced defects at the lead halide perovskite/graphene oxide interfaces

Interfacial interactions between halides of the perovskite precursors and the oxygen groups of GO reduce GO, and determine perovskite yield.

Graphical abstract: Oxygen-induced defects at the lead halide perovskite/graphene oxide interfaces
Paper

Stanene nanomeshes as anode materials for Na-ion batteries

A two-dimensional stanene nanomesh is proposed as a promising anode material for Na-ion batteries.

Graphical abstract: Stanene nanomeshes as anode materials for Na-ion batteries
Paper

An inorganic-MOF-inorganic approach to ultrathin CuO decorated Cu–C hybrid nanorod arrays for an efficient oxygen evolution reaction

A novel inorganic-MOF-inorganic (IMI) two-stage precursor approach for producing Cu@CuO–C with extraordinarily high OER performance.

Graphical abstract: An inorganic-MOF-inorganic approach to ultrathin CuO decorated Cu–C hybrid nanorod arrays for an efficient oxygen evolution reaction
Paper

Dual carbon-protected metal sulfides and their application to sodium-ion battery anodes

Metal sulfides are considered as promising anode materials for sodium ion batteries owing to their good redox reversibility and relatively high theoretical capacity.

Graphical abstract: Dual carbon-protected metal sulfides and their application to sodium-ion battery anodes
Paper

First achieving highly selective oxidation of aliphatic alcohols to aldehydes over photocatalysts

Highly selective oxidation of aliphatic alcohols to aldehydes over bismuth oxyhalide photocatalysts is achieved for the first time.

Graphical abstract: First achieving highly selective oxidation of aliphatic alcohols to aldehydes over photocatalysts
Communication

Ti3C2Tx (T = F, OH) MXene nanosheets: conductive 2D catalysts for ambient electrohydrogenation of N2 to NH3

Conductive Ti3C2Tx (T = F, OH) MXene nanosheets act as efficient 2D catalysts for ambient electrohydrogenation of N2 to NH3.

Graphical abstract: Ti3C2Tx (T = F, OH) MXene nanosheets: conductive 2D catalysts for ambient electrohydrogenation of N2 to NH3
Paper

Lithiophilic gel polymer electrolyte to stabilize the lithium anode for a quasi-solid-state lithium–sulfur battery

The lithiophilic gel polymer electrolyte is demonstrated to be feasible to stabilize the lithium anode in a quasi-solid-state Li–S battery.

Graphical abstract: Lithiophilic gel polymer electrolyte to stabilize the lithium anode for a quasi-solid-state lithium–sulfur battery
Paper

Copper manganese oxide enhanced nanoarray-based monolithic catalysts for hydrocarbon oxidation

Copper manganese oxide (CuMn2O4) was introduced into the nanoarray-based monolithic catalysts system for advanced exhaust after-treatment.

Graphical abstract: Copper manganese oxide enhanced nanoarray-based monolithic catalysts for hydrocarbon oxidation
Communication

Ultra-stretchable, bio-inspired ionic skins that work stably in various harsh environments

We report a bio-inspired ionic skin with high stretchability (>1700%), transparency (>80%) and sensitivity (2 kPa−1).

Graphical abstract: Ultra-stretchable, bio-inspired ionic skins that work stably in various harsh environments
Paper

Thermally driven mesoscale chemomechanical interplay in Li0.5Ni0.6Mn0.2Co0.2O2 cathode materials

Operando observation of the thermally driven evolution of a charged NMC cathode offers valuable insights relevant to battery performance and safety.

Graphical abstract: Thermally driven mesoscale chemomechanical interplay in Li0.5Ni0.6Mn0.2Co0.2O2 cathode materials
Paper

Core/shell design of efficient electrocatalysts based on NiCo2O4 nanowires and NiMn LDH nanosheets for rechargeable zinc–air batteries

Core/shell structured NiCo2O4@NiMn LDH hybrids were fabricated as efficient electrocatalysts for rechargeable Zn–air batteries.

Graphical abstract: Core/shell design of efficient electrocatalysts based on NiCo2O4 nanowires and NiMn LDH nanosheets for rechargeable zinc–air batteries
Paper

Ultrathin CoFe-layered double hydroxide nanosheets embedded in high conductance Cu3N nanowire arrays with a 3D core–shell architecture for ultrahigh capacitance supercapacitors

Ultrathin layered double hydroxide (LDH) nanosheets are a promising candidate as the electrode material for energy storage due to the ultrafast mass diffusion and greater specific surface area.

Graphical abstract: Ultrathin CoFe-layered double hydroxide nanosheets embedded in high conductance Cu3N nanowire arrays with a 3D core–shell architecture for ultrahigh capacitance supercapacitors
Open Access Paper

Directional freeze-cast hybrid-backbone meso-macroporous bodies as micromonolith catalysts for gas-to-liquid processes

Directional freeze casting enables the assembly of bimodally porous micronomolith Fischer–Tropsch catalyst bodies with enhanced effective thermal conductivity and pore molecular transport rates, leading to a high selectivity to liquid olefin products.

Graphical abstract: Directional freeze-cast hybrid-backbone meso-macroporous bodies as micromonolith catalysts for gas-to-liquid processes
From the themed collection: Recent Open Access Articles
Paper

Determining ideal strength and failure mechanism of thermoelectric CuInTe2 through quantum mechanics

We applied quantum mechanics to determine the intrinsic mechanical properties of CuInTe2 under pure shear, uniaxial tension, and biaxial shear deformations.

Graphical abstract: Determining ideal strength and failure mechanism of thermoelectric CuInTe2 through quantum mechanics
Paper

In situ encapsulation of core–shell-structured Co@Co3O4 into nitrogen-doped carbon polyhedra as a bifunctional catalyst for rechargeable Zn–air batteries

Co@Co3O4@NC-900 is designed and used as a catalyst for bulk and flexible Zn–air batteries which display good electrochemical performance.

Graphical abstract: In situ encapsulation of core–shell-structured Co@Co3O4 into nitrogen-doped carbon polyhedra as a bifunctional catalyst for rechargeable Zn–air batteries
Paper

Preparation of highly dispersed carbon supported AuPt nanoparticles via a capping agent-free route for efficient methanol oxidation

Bimetallic AuPt catalysts were synthesized via a facile capping agent-free route. Compared to the catalysts with too much Pt on the surface, the surface Pt-rich catalysts with a few exposed Au atoms exhibit the enhanced methanol oxidation reaction activity due to the stronger synergistic effect between Pt and Au.

Graphical abstract: Preparation of highly dispersed carbon supported AuPt nanoparticles via a capping agent-free route for efficient methanol oxidation
Paper

Computational screening and first-principles investigations of NASICON-type LixM2(PO4)3 as solid electrolytes for Li batteries

Li-containing NASICONs were screened from the Materials Project database and seven kinds of LixM2(PO4)3 are proposed as solid electrolytes for Li batteries.

Graphical abstract: Computational screening and first-principles investigations of NASICON-type LixM2(PO4)3 as solid electrolytes for Li batteries
245 items - Showing page 1 of 4

About this collection

This on-going web collection features all the articles published in Journal of Materials Chemistry A in 2018 marked as HOT, as recommended by referees.  Congratulations to all the authors whose articles are featured!

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