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Themed collection 2019 Journal of Materials Chemistry A HOT Papers

188 items - Showing page 1 of 3
Accepted Manuscript - Paper

New Insights into the Phase Evolution in CuS during Lithiation and Delithiation Processes

Accepted Manuscript - Paper

Fabrication of strong internal electric field ZnS/Fe9S10 heterostructure for highly efficient sodium ion storage

Accepted Manuscript - Paper

Graphene Oxide in Carbon Nitride: From Easily Processed Precursors to a Composite Material with Enhanced Photoelectrochemical Activity and Long-term Stability

Accepted Manuscript - Paper

Metal-Ions-Imprinted Thermo-responsive Materials from Bacterial Cellulose: Synthesis, Characterization, and Adsorption Evaluation

Accepted Manuscript - Paper

Following the In-plane Disorder of Sodiated Hard Carbon through Operando Total Scattering

Accepted Manuscript - Paper

Promoted High Temperature Carrier Mobility and Thermoelectric Performance of InTe Enabled by Altering Scattering Mechanism

Accepted Manuscript - Review Article

Inhibition of polysulfide diffusion in lithium sulfur batteries: mechanism and improvement strategies

Accepted Manuscript - Paper

Highly Compressible Zinc-Ion Batteries with Stable Performance

Accepted Manuscript - Paper

Light Induced Coarsening of Metal Nanoparticles

Accepted Manuscript - Paper

High-power wearable triboelectric nanogenerator prepared from self-assembled electrospun poly(vinylidene fluoride) fibers with heart-like structure

Accepted Manuscript - Paper

Pyrrole-an additives for improving efficiency and stability of the perovskite solar cells

Accepted Manuscript - Paper

Unraveling the high-activity nature of Fe-N-C electrocatalysts for oxygen reduction reaction: the extraordinary synergy between Fe-N4 and Fe4N

Accepted Manuscript - Communication

Engineering Surface Atomic Structure of FeVO4 Nanocrystals as Highly Active and Stable Electrocatalysts for Oxygen Evolution

Accepted Manuscript - Paper

Benzo[1,2-b:4,5-b']diselenophene-fused nonfullerene acceptors with alternative aromatic ring-based and monochlorinated end group: new synergistic strategy to simultaneously achieve highly efficient organic solar cells with energy loss of 0.49 eV

Accepted Manuscript - Paper

High Performance Broadband Acoustic Absorption and Sound Sensing of Bubbled Graphene Monolith

Accepted Manuscript - Communication

Composite K2Mo4O13/α-MoO3 Nanorods: Sonochemical Preparation and Applications for Advanced Li+/Na+ Pseudocapacitance

Paper

Transition metal-doped ultrathin RuO2 networked nanowires for efficient overall water splitting across a broad pH range

Although water splitting has been successfully achieved in recent years, the design of highly efficient bifunctional catalysts applicable across a broad pH range, especially in harsh acidic conditions, remains full of challenges.

Graphical abstract: Transition metal-doped ultrathin RuO2 networked nanowires for efficient overall water splitting across a broad pH range
Paper

Reverse synthesis of star anise-like cobalt doped Cu-MOF/Cu2+1O hybrid materials based on a Cu(OH)2 precursor for high performance supercapacitors

A vertically oriented star anise-like MOF-based material is prepared by a novel strategy using Cu(OH)2 as the template and precursor, which shows promising electrochemical energy storage properties.

Graphical abstract: Reverse synthesis of star anise-like cobalt doped Cu-MOF/Cu2+1O hybrid materials based on a Cu(OH)2 precursor for high performance supercapacitors
Paper

Enhanced catalytic benzene oxidation over a novel waste-derived Ag/eggshell catalyst

Ag nanoparticles loaded-eggshell catalysts were successfully synthesized by a simple impregnation method, in which the trashy eggshell was served as both biotemplate and support. The eggshell supported Ag catalyst exhibit excellent catalytic activity and stability for benzene oxidation.

Graphical abstract: Enhanced catalytic benzene oxidation over a novel waste-derived Ag/eggshell catalyst
Paper

Photo-oxidative degradation of methylammonium lead iodide perovskite: mechanism and protection

A new three-step photo-oxidative degradation mechanism of MAPbI3 is proposed. A strategy for protecting MAPbI3 by 2-(4-fluorophenyl)propan-2-amine modification is designed.

Graphical abstract: Photo-oxidative degradation of methylammonium lead iodide perovskite: mechanism and protection
Paper

Toward CO2 utilization for direct power generation using an integrated system consisting of CO2 photoreduction with 3D TiO2/Ni-foam and a photocatalytic fuel cell

An integrated system consisting of CO2 photoreduction with 3D TiO2/Ni-foam and a PFC for direct electricity generation.

Graphical abstract: Toward CO2 utilization for direct power generation using an integrated system consisting of CO2 photoreduction with 3D TiO2/Ni-foam and a photocatalytic fuel cell
Paper

Nonhalogen solvent-processed polymer solar cells based on chlorine and trialkylsilyl substituted conjugated polymers achieve 12.8% efficiency

A novel chlorine and alkylsilyl substituted polymer PBZ-ClSi was synthesized and the nonhalogen solvent-processed PSCs achieved an efficiency of 12.8%.

Graphical abstract: Nonhalogen solvent-processed polymer solar cells based on chlorine and trialkylsilyl substituted conjugated polymers achieve 12.8% efficiency
Paper

An alternating nanoscale (hydrophilic–hydrophobic)/hydrophilic Janus cooperative copper mesh fabricated by a simple liquidus modification for efficient fog harvesting

Here, a comprehensive insight into a facile fabrication method for a (hydrophilic–hydrophobic)/hydrophilic Janus cooperative copper mesh was presented. The cooperation of alternating wettability and Janus membrane enhances the fog harvesting (∼800% enhancement).

Graphical abstract: An alternating nanoscale (hydrophilic–hydrophobic)/hydrophilic Janus cooperative copper mesh fabricated by a simple liquidus modification for efficient fog harvesting
Paper

Insight into different-microstructured ZnO/graphene-functionalized separators affecting the performance of lithium–sulfur batteries

A multifunctional separator composed of different dimensional ZnO and graphene is fabricated via a vacuum filtration method, which can provide sufficient active sites to adsorb polysulfides, thus enhancing the cycling stability and rate performance of lithium–sulfur batteries.

Graphical abstract: Insight into different-microstructured ZnO/graphene-functionalized separators affecting the performance of lithium–sulfur batteries
Paper

A 3D flower-like VO2/MXene hybrid architecture with superior anode performance for sodium ion batteries

The three-dimensional flower-like VO2/MXene hybrid architectures exhibit exceptional cycle stability and rate performance for sodium ion battery anodes.

Graphical abstract: A 3D flower-like VO2/MXene hybrid architecture with superior anode performance for sodium ion batteries
Paper

A metal–organic framework with suitable pore size and dual functionalities for highly efficient post-combustion CO2 capture

A novel porous material was realized for highly efficient post-combustion CO2 capture with high CO2 adsorption capacity, high selectivity and moderate heat of adsorption, mainly attributed to the suitable pore size and dual functionalities.

Graphical abstract: A metal–organic framework with suitable pore size and dual functionalities for highly efficient post-combustion CO2 capture
Communication

Salt-templated growth of monodisperse hollow nanostructures

We develop a salt-templated route to monodisperse hollow nanostructures in a green, robust, efficient, cost-effective and scalable manner.

Graphical abstract: Salt-templated growth of monodisperse hollow nanostructures
Paper

An intricately designed poly(vinylene carbonate-acrylonitrile) copolymer electrolyte enables 5 V lithium batteries

A novel high-voltage polymer electrolyte based on poly(vinylene carbonate-acrylonitrile) is successfully prepared for LiNi0.5Mn1.5O4 lithium batteries, which endows the high voltage batteries with significant improved performance.

Graphical abstract: An intricately designed poly(vinylene carbonate-acrylonitrile) copolymer electrolyte enables 5 V lithium batteries
Paper

Chain rigidity modification to promote the electrochemical performance of polymeric battery electrode materials

Tuning the chain rigidity enables high power density without sacrificing the volumetric energy density for polymeric battery materials.

Graphical abstract: Chain rigidity modification to promote the electrochemical performance of polymeric battery electrode materials
Paper

A strategy to develop highly efficient TENGs through the dielectric constant, internal resistance optimization, and surface modification

We have shown an enhancement in the output performance of PDMS/ZnSnO3/MWCNT based TENGs through modification of dielectric constant, internal resistance, and surface patterning.

Graphical abstract: A strategy to develop highly efficient TENGs through the dielectric constant, internal resistance optimization, and surface modification
Paper

Realizing stable lithium deposition by in situ grown Cu2S nanowires inside commercial Cu foam for lithium metal anodes

Cu2S NWs are grown inside a commercial Cu foam which help realize the uniform lithium deposition and suppress the dendrite growth by the increased surface area and lithiophilic surface modification at the same time.

Graphical abstract: Realizing stable lithium deposition by in situ grown Cu2S nanowires inside commercial Cu foam for lithium metal anodes
Paper

High-performance lithium–organic batteries by achieving 16 lithium storage in poly(imine-anthraquinone)

The Li/PIAQ cell exhibits excellent electrochemical performances with a 16 Li-storage mechanism based on DFT calculations and experimental investigations.

Graphical abstract: High-performance lithium–organic batteries by achieving 16 lithium storage in poly(imine-anthraquinone)
Review Article

Liquid mobility on superwettable surfaces for applications in energy and the environment

Liquid mobility on super-wettable materials is of interest for enhanced heat transfer, self-cleaning, anti-fouling, anti-icing, water-harvesting, and oil–water separation.

Graphical abstract: Liquid mobility on superwettable surfaces for applications in energy and the environment
Paper

Adapting FeS2 micron particles as an electrode material for lithium-ion batteries via simultaneous construction of CNT internal networks and external cages

Schematic of the structural evolution of FeS2@B–CNTs in the lithium-storage reaction.

Graphical abstract: Adapting FeS2 micron particles as an electrode material for lithium-ion batteries via simultaneous construction of CNT internal networks and external cages
Paper

Carrier density control in Cu2HgGeTe4 and discovery of Hg2GeTe4via phase boundary mapping

Phase boundary mapping in Cu2HgGeTe4 allows discovery of Hg2GeTe4 and further enables carrier density control over 4 orders of magnitude.

Graphical abstract: Carrier density control in Cu2HgGeTe4 and discovery of Hg2GeTe4via phase boundary mapping
Paper

Electrospray deposition-induced ambient phase transition in copper sulphide nanostructures

A new and simple electrospray deposition to induce ambient phase transition in copper sulphide nanostructures.

Graphical abstract: Electrospray deposition-induced ambient phase transition in copper sulphide nanostructures
Communication

Unprecedented plasmon-induced nitroxide-mediated polymerization (PI-NMP): a method for preparation of functional surfaces

The first method of plasmon-induced nitroxide-mediated polymerization on periodical gold gratings has been developed.

Graphical abstract: Unprecedented plasmon-induced nitroxide-mediated polymerization (PI-NMP): a method for preparation of functional surfaces
Paper

Boosting the supercapacitor performance of activated carbon by constructing overall conductive networks using graphene quantum dots

The capacitive energy storage performance of activated carbon can be significantly improved by embedding graphene quantum dots owing to the formation of overall conductive networks.

Graphical abstract: Boosting the supercapacitor performance of activated carbon by constructing overall conductive networks using graphene quantum dots
Paper

Electrochemically activated cobalt nickel sulfide for an efficient oxygen evolution reaction: partial amorphization and phase control

It has recently been demonstrated that the OER activity of transition metal sulfides (TMSs) could be enhanced by the introduction of a thin amorphous layer on a pristine surface.

Graphical abstract: Electrochemically activated cobalt nickel sulfide for an efficient oxygen evolution reaction: partial amorphization and phase control
Paper

Atomistic understanding of structural evolution, ion transport and oxygen stability in layered NaFeO2

We provide atomistic understanding of structural evolution, ion transport and oxygen stability in layered NaFeO2, and reveal how strains can be used to enhance ion transport and oxygen stability.

Graphical abstract: Atomistic understanding of structural evolution, ion transport and oxygen stability in layered NaFeO2
Paper

Ultratough nacre-inspired epoxy–graphene composites with shape memory properties

Nacre-inspired epoxy–graphene composites with unique fracture toughness and thermo or electro-active shape memory properties are engineered via freeze-casting.

Graphical abstract: Ultratough nacre-inspired epoxy–graphene composites with shape memory properties
Paper

Ultrasmall-sized SnS nanosheets vertically aligned on carbon microtubes for sodium-ion capacitors with high energy density

In this work, the porous SnS nanosheets with abundant ultra-small nanocrystals aligned on carbon microtubes are designed to achieve good structural stability, remarkable rate capability and high sodium storage capability.

Graphical abstract: Ultrasmall-sized SnS nanosheets vertically aligned on carbon microtubes for sodium-ion capacitors with high energy density
Paper

Rechargeable Na/Ni batteries based on the Ni(OH)2/NiOOH redox couple with high energy density and good cycling performance

Rechargeable battery systems that use Na-based anodes as alternatives to Li-ion batteries are highly desirable for grid-scale energy storage systems owing to the high abundance and low cost of Na.

Graphical abstract: Rechargeable Na/Ni batteries based on the Ni(OH)2/NiOOH redox couple with high energy density and good cycling performance
Communication

Constructing a highly oriented layered MOF nanoarray from a layered double hydroxide for efficient and long-lasting alkaline water oxidation electrocatalysis

Template-directed synthesized Fe0.1-Ni-MOF nanoarray (Fe0.1-Ni-MOF/NF) behaves efficiently as an electrocatalyst for alkaline water oxidation with a strong electrochemical durability.

Graphical abstract: Constructing a highly oriented layered MOF nanoarray from a layered double hydroxide for efficient and long-lasting alkaline water oxidation electrocatalysis
Paper

A self-supported, three-dimensional porous copper film as a current collector for advanced lithium metal batteries

3D porous Cu foil fabricated by the painting–alloying–dealloying method exhibits excellent electrochemical performance as a current collector for Li metal batteries.

Graphical abstract: A self-supported, three-dimensional porous copper film as a current collector for advanced lithium metal batteries
Paper

Enhanced efficacy of defect passivation and charge extraction for efficient perovskite photovoltaics with a small open circuit voltage loss

A multifunctional 2D polymeric semiconductor was incorporated to provide surprisingly robust efficacy in grain boundary functionalization and defect passivation of perovskite, which suppresses charge recombination and thus affording an illustrious photovoltage of 1.16 V and power conversion efficiency of 21.1%.

Graphical abstract: Enhanced efficacy of defect passivation and charge extraction for efficient perovskite photovoltaics with a small open circuit voltage loss
Paper

A wide bandgap conjugated polymer donor based on alkoxyl-fluorophenyl substituted benzodithiophene for high performance non-fullerene polymer solar cells

Through side chain fluorination strategy, the PCE was improved from 6.2% for POPB-based device to 11.7% for PFOPB-based device.

Graphical abstract: A wide bandgap conjugated polymer donor based on alkoxyl-fluorophenyl substituted benzodithiophene for high performance non-fullerene polymer solar cells
Communication

Na2Ru1−xMnxO3 as the cathode for sodium-ion batteries

A suitable Mn doping (x = 0.1) enhances the kinetics and structural stability of Na2RuO3, generating a superior electrochemical performance.

Graphical abstract: Na2Ru1−xMnxO3 as the cathode for sodium-ion batteries
Open Access Communication

An efficient carbon-based ORR catalyst from low-temperature etching of ZIF-67 with ultra-small cobalt nanoparticles and high yield

Low-temperature etching of ZIF-67 is proposed for ultra-small cobalt/cobalt-oxide nanoparticles in nitrogen-doped graphene-networks as an efficient electrocatalyst for the oxygen reduction reaction.

Graphical abstract: An efficient carbon-based ORR catalyst from low-temperature etching of ZIF-67 with ultra-small cobalt nanoparticles and high yield
Communication

Photocatalytic dehydrogenation of formic acid promoted by a superior PdAg@g-C3N4 Mott–Schottky heterojunction

The superior PdAg@g-C3N4 Mott–Schottky heterojunction exhibits boosting dehydrogenation photocatalysis of formic acid (TOF = 420 h−1) without any additive under visible light (λ > 400 nm) at room temperature.

Graphical abstract: Photocatalytic dehydrogenation of formic acid promoted by a superior PdAg@g-C3N4 Mott–Schottky heterojunction
Paper

Sequential growth of hierarchical N-doped carbon-MoS2 nanocomposites with variable nanostructures

N-doped carbon-MoS2 (NC-MoS2) nanocomposites, including dual–shell, yolk–shell, core–shell, hollow and nanorods, were obtained using a sequential cooperative self-assembly approach. The hollow NC-MoS2 nanocomposites showed enhanced Li-ion storage performance compared to the dual–shell and yolk–shell nanostructures.

Graphical abstract: Sequential growth of hierarchical N-doped carbon-MoS2 nanocomposites with variable nanostructures
Paper

Ultimate dispersion of metallic and ionic platinum on ceria

Smallest metallic (blue) and ionic (grey) Pt objects on ceria are shaped and controlled by surface oxygen content.

Graphical abstract: Ultimate dispersion of metallic and ionic platinum on ceria
Paper

Transparent, pressure-sensitive, and healable e-skin from a UV-cured polymer comprising dynamic urea bonds

A UV curable, healable polymer was synthesized, and hybridized with silver nanowires to afford a pressure-sensitive e-skin capable of irradiation-induced healing.

Graphical abstract: Transparent, pressure-sensitive, and healable e-skin from a UV-cured polymer comprising dynamic urea bonds
Communication

A fused-ring non-fullerene acceptor based on a benzo[1,2-b:4,5-b′]dithiophene central core with a thieno[3,2-b]thiophene side-chain for highly efficient organic solar cells

The BTT-FIC-based device achieved a champion PCE of 12.65% for the benzo[1,2-b:4,5-b′]di(cyclopenta[2,1-b:3,4-b′]dithiophene)-containing NFAs based OSCs.

Graphical abstract: A fused-ring non-fullerene acceptor based on a benzo[1,2-b:4,5-b′]dithiophene central core with a thieno[3,2-b]thiophene side-chain for highly efficient organic solar cells
Paper

Mechanistic understanding of electrochemical plating and stripping of metal electrodes

Mechanisms driving the evolution of the metal electrode interface during plating, stripping and formation of dead metal.

Graphical abstract: Mechanistic understanding of electrochemical plating and stripping of metal electrodes
Paper

Unexpectedly high cross-plane thermoelectric performance of layered carbon nitrides

A strategy to increase the efficiency of layered organic thermoelectric material is proposed by utilizing the overlap of pz orbitals.

Graphical abstract: Unexpectedly high cross-plane thermoelectric performance of layered carbon nitrides
Paper

MOF derived CoO-NCNTs two-dimensional networks for durable lithium and sodium storage

Cobalt oxides encapsulated at the apical postion of by nitrogen-doped carbon nanotubes into two dimensional networks originatinge from the lamellar coordinated polymer for high-performaence lithium/sodium ion batteries.

Graphical abstract: MOF derived CoO-NCNTs two-dimensional networks for durable lithium and sodium storage
Paper

Coupling pentlandite nanoparticles and dual-doped carbon networks to yield efficient and stable electrocatalysts for acid water oxidation

At first time, a porous dual-doped carbon network-immobilized ultrafine pentlandites nanoparticles (NPs) was employed as a highly stable and efficient electrocatalyst for acid oxygen evolution reaction.

Graphical abstract: Coupling pentlandite nanoparticles and dual-doped carbon networks to yield efficient and stable electrocatalysts for acid water oxidation
Paper

Solvent-induced surface disorder and doping-induced lattice distortion in anatase TiO2 nanocrystals for enhanced photoreversible color switching

Photoreversible color switching based on anatase TiO2 nanocrystals was regulated by solvent-induced surface disorder and Sn2+ doping-induced lattice distortion.

Graphical abstract: Solvent-induced surface disorder and doping-induced lattice distortion in anatase TiO2 nanocrystals for enhanced photoreversible color switching
Communication

A new sustainable approach towards preparation of sunlight active Ag/AgBr Janus nanoparticles using non-toxic surface active ionic liquid

A benign and easily implementable method for preparation of symmetry controlled Ag/AgBr nanoparticles for catalytic applications under sunlight or white light is presented.

Graphical abstract: A new sustainable approach towards preparation of sunlight active Ag/AgBr Janus nanoparticles using non-toxic surface active ionic liquid
Paper

P2-type Na2/3Ni1/3Mn2/3O2 as a cathode material with high-rate and long-life for sodium ion storage

The electrochemical performance of layered P2-type Na2/3Ni1/3Mn2/3O2 is highly related to the cut-off voltage and the electrolyte used.

Graphical abstract: P2-type Na2/3Ni1/3Mn2/3O2 as a cathode material with high-rate and long-life for sodium ion storage
Paper

An imidazolium iodide salt as a bifunctional co-adsorbent for quasi-solid-state dye-sensitized solar cells: improvements of electron lifetime and charge collection efficiency

An imidazolium iodide salt as a bifunctional co-adsorbent improves the electron lifetime and charge collection efficiency for quasi-solid-state dye-sensitized solar cells.

Graphical abstract: An imidazolium iodide salt as a bifunctional co-adsorbent for quasi-solid-state dye-sensitized solar cells: improvements of electron lifetime and charge collection efficiency
Paper

Nickel based oxide film formed in molten salts for efficient electrocatalytic oxygen evolution

NiFe2O4 films generated by the electrochemical oxidation of a Ni–Fe–Cu substrate in molten salts outperform the commercial IrO2 electrode for electrocatalytic oxygen evolution.

Graphical abstract: Nickel based oxide film formed in molten salts for efficient electrocatalytic oxygen evolution
Paper

Tuning the electrochemical behavior of organodisulfides in rechargeable lithium batteries using N-containing heterocycles

N-containing heterocycles can tune the electrochemical properties of organodisulfides in lithium batteries. 2,2′-Dipyridyl disulfide exhibits outstanding cycling stability.

Graphical abstract: Tuning the electrochemical behavior of organodisulfides in rechargeable lithium batteries using N-containing heterocycles
Paper

Carbon-vacancy modified graphitic carbon nitride: enhanced CO2 photocatalytic reduction performance and mechanism probing

Enhanced charge carrier generation, attenuated exciton-effect as well as upgraded CO2 adsorption/activation lead to a promoted CO2-to-CO photocatalytic conversion ability for C-vacancy modified GCN.

Graphical abstract: Carbon-vacancy modified graphitic carbon nitride: enhanced CO2 photocatalytic reduction performance and mechanism probing
Paper

Self-floating nanostructured Ni–NiOx/Ni foam for solar thermal water evaporation

Solar thermal water evaporation is a clean, sustainable, and energy-saving approach to fresh water generation compared with traditional methods.

Graphical abstract: Self-floating nanostructured Ni–NiOx/Ni foam for solar thermal water evaporation
Paper

Water desalination through rim functionalized carbon nanotubes

Understand the influence of the dipole moment between carbon nanotube rim and anchored functional groups on water desalination performance.

Graphical abstract: Water desalination through rim functionalized carbon nanotubes
Paper

PAF-1@cellulose nanofibril composite aerogel for highly-efficient removal of bisphenol A

A PAF-1@cellulose nanofibril composite aerogel was prepared to remove BPA from water, with an adsorption capacity of 1000 mg g−1.

Graphical abstract: PAF-1@cellulose nanofibril composite aerogel for highly-efficient removal of bisphenol A
Paper

Facile synthesis of Co/Pd supported by few-walled carbon nanotubes as an efficient bidirectional catalyst for improving the low temperature hydrogen storage properties of magnesium hydride

Catalytic doping is important for enhancing the hydrogen storage performance of metal hydrides, but it is challenging to develop a single catalyst to enhance both hydrogen desorption and absorption to a certain degree.

Graphical abstract: Facile synthesis of Co/Pd supported by few-walled carbon nanotubes as an efficient bidirectional catalyst for improving the low temperature hydrogen storage properties of magnesium hydride
Communication

Lewis acidic water as a new carrier for facilitating CO2 transport

We report the formation of a reversible complex between CO2 and a bound water coordinating alkaline metal cation (Lewis-acidic water) by nuclear magnetic resonance (NMR) analysis for the first time.

Graphical abstract: Lewis acidic water as a new carrier for facilitating CO2 transport
188 items - Showing page 1 of 3

About this collection

This on-going web collection features all the articles published in Journal of Materials Chemistry A in 2019 marked as HOT, as recommended by referees.  Congratulations to all the authors whose articles are featured!

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