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Themed collection 2017 Journal of Materials Chemistry A HOT Papers

219 items - Showing page 1 of 4
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Understanding inks for porous-electrode formation

Scalable manufacturing of high-aspect-ratio multi-material electrodes are important for advanced energy storage and conversion systems. There is a need to understand how one goes from a colloidal state through processing to a functional porous electrode. Such knowledge enables ink-engineering for electrode performance and durability optimization.

Graphical abstract: Understanding inks for porous-electrode formation
Review Article

Recent advances and insights in dye-sensitized NiO photocathodes for photovoltaic devices

Approaches to enhance the performance of recent sensitizers employed in dye-sensitized NiO photocathodes for DSC and DSPEC devices are described.

Graphical abstract: Recent advances and insights in dye-sensitized NiO photocathodes for photovoltaic devices
Review Article

Multiscale-architectured functional membranes utilizing inverse opal structures

Inverse-opal structured isoporous membranes can exhibit outstanding separation properties of high selectivity and high permeability.

Graphical abstract: Multiscale-architectured functional membranes utilizing inverse opal structures
Review Article

Alternative strategies in improving the photocatalytic and photoelectrochemical activities of visible light-driven BiVO4: a review

This review summarises the recent advances of various strategies in improving the performances of BiVO4 in photocatalytic and photoelectrochemical systems.

Graphical abstract: Alternative strategies in improving the photocatalytic and photoelectrochemical activities of visible light-driven BiVO4: a review
Review Article

Cellulose nanofibril nanopapers and bioinspired nanocomposites: a review to understand the mechanical property space

This review discusses the correlation between structure formation, nanostructural details and mechanical properties in biobased high performance materials formed from renewable cellulose nanofibrils.

Graphical abstract: Cellulose nanofibril nanopapers and bioinspired nanocomposites: a review to understand the mechanical property space
Review Article

Mixed cation hybrid lead halide perovskites with enhanced performance and stability

The mixed cation lead halide perovskite solar cells exhibited improved performance and enhanced stabilities.

Graphical abstract: Mixed cation hybrid lead halide perovskites with enhanced performance and stability
Review Article

Low-toxic metal halide perovskites: opportunities and future challenges

Over the past few years, lead halide perovskites have emerged as a class of dominant semiconductor materials in the photovoltaic (PV) field with an unprecedented sharp enhancement of power conversion efficiencies (PCEs) up to 22.1%, as well as in other promising optoelectronic applications due to their extraordinary and unique properties.

Graphical abstract: Low-toxic metal halide perovskites: opportunities and future challenges
Review Article

Transition metal oxides with one-dimensional/one-dimensional-analogue nanostructures for advanced supercapacitors

Controlled synthesis for electrode materials and excellent electrochemical performances were introduced for advanced supercapacitors.

Graphical abstract: Transition metal oxides with one-dimensional/one-dimensional-analogue nanostructures for advanced supercapacitors
Review Article

Recent progress in layered metal dichalcogenide nanostructures as electrodes for high-performance sodium-ion batteries

The sodium storage performance of layered metal dichalcogenide anodes enhanced through nanostructure engineering, crystal structure modulation, doping/alloying and composite design is systematically reviewed.

Graphical abstract: Recent progress in layered metal dichalcogenide nanostructures as electrodes for high-performance sodium-ion batteries
Review Article

Perspectives on water-facilitated CO2 capture materials

This review firstly proposes the concept of water-facilitated CO2 capture materials. The strategies of avoiding the negative effects of water and maximizing the positive effects of water are tentatively proposed.

Graphical abstract: Perspectives on water-facilitated CO2 capture materials
Review Article

Recent innovative configurations in high-energy lithium–sulfur batteries

In this review, the recent developments of novel configurations for Li–S batteries, including hierarchical gradient cathodes, modified separators, solid-state electrolytes and lithium anode protection, are presented.

Graphical abstract: Recent innovative configurations in high-energy lithium–sulfur batteries
Review Article

Nanostructured cathode materials for lithium–sulfur batteries: progress, challenges and perspectives

This review article summarises the progress, challenges and prospects of nanostructured cathode materials for lithium–sulfur batteries.

Graphical abstract: Nanostructured cathode materials for lithium–sulfur batteries: progress, challenges and perspectives
Review Article

Configuration-centered photovoltaic applications of metal halide perovskites

Metal halide perovskites, particularly lead halide perovskites, have seen extraordinary breakthroughs in photovoltaics with power conversion efficiency swiftly surging to over 22% in the past few years, demonstrating their huge potential for rivalry with crystalline silicon solar cells in terms of production cost and performance for the future photovoltaic market.

Graphical abstract: Configuration-centered photovoltaic applications of metal halide perovskites
Communication

Cobalt boride modified with N-doped carbon nanotubes as a high-performance bifunctional oxygen electrocatalyst

An excellent electrocatalyst for reversible oxygen reduction and oxygen evolution synthesized by direct growth of nitrogen-doped carbon nanotubes on cobalt boride nanoparticles.

Graphical abstract: Cobalt boride modified with N-doped carbon nanotubes as a high-performance bifunctional oxygen electrocatalyst
Communication

Lithium-Carbon Nanotube Composite for Stable Lithium Anodes

Communication

Optimisation of oxide-ion conductivity in acceptor-doped Na0.5Bi0.5TiO3 perovskite: approaching the limit?

σ b of NBT is optimised by acceptor-doping, which is restrained by oxygen-vacancy diffusivity limit in perovskites.

Graphical abstract: Optimisation of oxide-ion conductivity in acceptor-doped Na0.5Bi0.5TiO3 perovskite: approaching the limit?
Communication

Quantitative analysis of the PtO structure during photocatalytic water splitting by operando XAFS

Operando XAFS provides quantitative evidence of structural distortions of platinum oxide as an active site during photocatalytic water splitting.

Graphical abstract: Quantitative analysis of the PtO structure during photocatalytic water splitting by operando XAFS
Communication

Covalent organic frameworks as metal-free heterogeneous photocatalysts for organic tranformations

Communication

Fine-tuning of the confined space in microporous metal–organic frameworks for efficient mercury removal

We report a novel metal–organic framework showing a very efficient, selective and fast Hg2+ removal.

Graphical abstract: Fine-tuning of the confined space in microporous metal–organic frameworks for efficient mercury removal
Communication

A high tenacity electrode by assembly of a soft sorbent and a hard skeleton for lithium–sulfur batteries

The volume expansion of a sulfur cathode can be accommodated by fabricating a composite structure with a soft sorbent (graphene) and a hard skeleton (SiC) material in lithium sulfur batteries.

Graphical abstract: A high tenacity electrode by assembly of a soft sorbent and a hard skeleton for lithium–sulfur batteries
Communication

Electrochemical reduction of aqueous nitrogen (N2) at a low overpotential on (110)-oriented Mo nanofilm

Aqueous N2 electrochemical reduction at low overpotential of 0.14 V is achieved on (110)-oriented Mo nanofilm at ambient pressure.

Graphical abstract: Electrochemical reduction of aqueous nitrogen (N2) at a low overpotential on (110)-oriented Mo nanofilm
Communication

Boosting the bifunctional electrocatalytic oxygen activities of CoOx nanoarrays with a porous N-doped carbon coating and their application in Zn–air batteries

A N-doped porous carbon coated cobalt oxide nanoarray electrode was prepared with excellent bifunctional oxygen catalytic performance, and demonstrated good stability and high efficiency in a Zn–air battery.

Graphical abstract: Boosting the bifunctional electrocatalytic oxygen activities of CoOx nanoarrays with a porous N-doped carbon coating and their application in Zn–air batteries
Communication

New small-molecule acceptors based on hexacyclic naphthalene(cyclopentadithiophene) for efficient non-fullerene organic solar cells

A series of new non-fullerene small molecule acceptors (NTIC, NTIC-Me, NTIC-OMe and NTIC-F) based on the acceptor–donor–acceptor (A–D–A) architecture, using hexacyclic naphthalene-(cyclopentadithiophene) as the central unit, were designed and synthesized.

Graphical abstract: New small-molecule acceptors based on hexacyclic naphthalene(cyclopentadithiophene) for efficient non-fullerene organic solar cells
Communication

Aromatic ring substituted g-C3N4 for enhanced photocatalytic hydrogen evolution

An all-carbon aromatic ring substitutionally doped g-C3N4 was synthesized with greatly enhanced light absorption, band structure and carrier separation, achieving a 3 times higher hydrogen evolution rate (HER).

Graphical abstract: Aromatic ring substituted g-C3N4 for enhanced photocatalytic hydrogen evolution
Communication

Electrodeposited cobalt phosphide superstructures for solar-driven thermoelectrocatalytic overall water splitting

Facilitated by supplementary thermal energy converted from sustainable solar irradiance, the electrocatalytic water splitting kinetics of cobalt phosphide superstructures are considerably enhanced.

Graphical abstract: Electrodeposited cobalt phosphide superstructures for solar-driven thermoelectrocatalytic overall water splitting
Communication

A versatile graphene foil

Graphene foil with high electrical conductivity exhibits versatile features, as a flame-retardant material and a substitute for metal current collectors.

Graphical abstract: A versatile graphene foil
Communication

Adjusting the electronic structure by Ni incorporation: a generalized in situ electrochemical strategy to enhance water oxidation activity of oxyhydroxides

An in situ electrochemical Ni-incorporating strategy is developed to tailor the electronic structure of β-FeOOH and the as-prepared Ni incorporated β-FeOOH exhibits a high oxygen evolution electrocatalytic performance in alkaline media.

Graphical abstract: Adjusting the electronic structure by Ni incorporation: a generalized in situ electrochemical strategy to enhance water oxidation activity of oxyhydroxides
Open Access Communication

Advancing the n → π* electron transition of carbon nitride nanotubes for H2 photosynthesis

Carbon nitride nanotubes with enhanced optical absorption and advanced charge carrier behavior stimulate photocatalytic hydrogen production.

Graphical abstract: Advancing the n → π* electron transition of carbon nitride nanotubes for H2 photosynthesis
Communication

A ternary conjugated D–A copolymer yields over 9.0% efficiency in organic solar cells

The best performance copolymer exhibits a power conversion efficiency of 9.08%, representing the highest value for ternary conjugated D–A copolymers.

Graphical abstract: A ternary conjugated D–A copolymer yields over 9.0% efficiency in organic solar cells
Communication

A 2D free-standing film-inspired electrocatalyst for highly efficient hydrogen production

A high electrocatalytic performance free-standing film based on molybdenum carbide nanoribbons between N-doped graphene nanolayers was developed.

Graphical abstract: A 2D free-standing film-inspired electrocatalyst for highly efficient hydrogen production
Communication

Integration of plasmonic and amorphous effects in MoO3−x spheres for efficient photoelectrochemical water oxidation

MoO3−x spheres with plasmonic and amorphous features were obtained as highly active and stable photoanodes for water oxidation.

Graphical abstract: Integration of plasmonic and amorphous effects in MoO3−x spheres for efficient photoelectrochemical water oxidation
Communication

Construction of light-harvesting system for enhanced catalytic performance of Pd nanoframes toward Suzuki coupling reaction

Au octahedra have been encapsulated into Pd nanoframes to further enhance the catalytic activity of Pd nanoframes toward Suzuki coupling reactions.

Graphical abstract: Construction of light-harvesting system for enhanced catalytic performance of Pd nanoframes toward Suzuki coupling reaction
Communication

Nanoscale engineering of nitrogen-doped carbon nanofiber aerogels for enhanced lithium ion storage

After carbonization of bamboo nanocellulose aerogels in ammonia gas, the obtained nitrogen-doped carbon nanofiber (N-ACNF) aerogels with a tunable nanostructure were found to be ideal candidates for high-performance anodes in LIBs.

Graphical abstract: Nanoscale engineering of nitrogen-doped carbon nanofiber aerogels for enhanced lithium ion storage
Communication

Continuous fabrication of the graphene-confined polypyrrole film for cycling stable supercapacitors

A meter-length graphene-confined, polypyrrole film was fabricated by scalable wet-spinning technology for cycling stable supercapacitors.

Graphical abstract: Continuous fabrication of the graphene-confined polypyrrole film for cycling stable supercapacitors
Communication

Honeycomb-like carbon nanoflakes as a host for SnO2 nanoparticles allowing enhanced lithium storage performance

Confining smaller and fewer SnO2 nanoparticles within honeycomb-like carbon nanoflakes demonstrated superior cycle stability and rate capability for lithium storage.

Graphical abstract: Honeycomb-like carbon nanoflakes as a host for SnO2 nanoparticles allowing enhanced lithium storage performance
Communication

In situ surface derivation of an Fe–Co–Bi layer on an Fe-doped Co3O4 nanoarray for efficient water oxidation electrocatalysis under near-neutral conditions

A core–shell Fe–Co3O4@Fe–Co–Bi nanoarray (Fe–Co3O4@Fe–Co–Bi/CC) acts as a superior catalyst electrode for water oxidation, with the need of an overpotential of 420 mV to drive 10 mA cm−2 in 0.1 M K-Bi.

Graphical abstract: In situ surface derivation of an Fe–Co–Bi layer on an Fe-doped Co3O4 nanoarray for efficient water oxidation electrocatalysis under near-neutral conditions
Communication

Carbon nitride supported AgPd alloy nanocatalysts for dehydrogenation of formic acid under visible light

We report a facile approach for the one-step room-temperature preparation of nearly monodisperse AgPd alloy nanoparticles supported on semiconductor graphitic carbon nitride (g-CN). The AgPd/g-CN nanocatalysts are highly active and durable for dehydrogenation of formic acid under visible light or dark at ambient condition.

Graphical abstract: Carbon nitride supported AgPd alloy nanocatalysts for dehydrogenation of formic acid under visible light
Communication

Transparent wood containing CsxWO3 nanoparticles for heat-shielding window applications

A type of functionalized nanoparticles filled transparent wood composite for heat-shielding-window applications.

Graphical abstract: Transparent wood containing CsxWO3 nanoparticles for heat-shielding window applications
Communication

Controllable construction of metal–organic polyhedra in confined cavities via in situ site-induced assembly

Controllable fabrication of metal–organic polyhedra in confined cavities with improved properties was realized through in situ site-induced assembly.

Graphical abstract: Controllable construction of metal–organic polyhedra in confined cavities via in situ site-induced assembly
Communication

Charge transfer induced polymerization of EDOT confined between 2D titanium carbide layers

In situ polymerization of 3,4-ethylenedioxythiophene (EDOT) is achieved on the surface of 2D Ti3C2Tx MXene without using any oxidant, resulting in improved lithium ion storage capability of Ti3C2Tx/poly-EDOT hybrids.

Graphical abstract: Charge transfer induced polymerization of EDOT confined between 2D titanium carbide layers
Communication

A soft non-porous separator and its effectiveness in stabilizing Li metal anodes cycling at 10 mA cm−2 observed in situ in a capillary cell

While lithium metal anodes have the highest theoretical capacity for rechargeable batteries, they are plagued by the growth of lithium dendrites, side reactions, and a moving contact interface with the electrolyte during cycling.

Graphical abstract: A soft non-porous separator and its effectiveness in stabilizing Li metal anodes cycling at 10 mA cm−2 observed in situ in a capillary cell
Communication

Ni nanobelts induced enhancement of hole transport and collection for high efficiency and ambient stable mesoscopic perovskite solar cells

Free standing Ni nanobelts dispersed in HTMs were developed for high efficiency and ambient stable mesoscopic perovskite solar cells.

Graphical abstract: Ni nanobelts induced enhancement of hole transport and collection for high efficiency and ambient stable mesoscopic perovskite solar cells
Communication

Nanostructure-induced colored TiO2 array photoelectrodes with full solar spectrum harvesting

Wedge-shaped colored TiO2 nanoarrays grown on Ti foam have been synthesized with full solar spectrum harvesting.

Graphical abstract: Nanostructure-induced colored TiO2 array photoelectrodes with full solar spectrum harvesting
Open Access Communication

Inspired by the “tip effect”: a novel structural design strategy for the cathode in advanced lithium–sulfur batteries

Inspired by the “tip effect”, hollow cupric oxide spheres can be used as an effective host for Li–S batteries.

Graphical abstract: Inspired by the “tip effect”: a novel structural design strategy for the cathode in advanced lithium–sulfur batteries
Communication

p-Type SnO thin layers on n-type SnS2 nanosheets with enriched surface defects and embedded charge transfer for lithium ion batteries

We constructed defective heterointerfaces of p-SnO on n-SnS2 nanosheets by plasma treatment to improve the anode performance in Li-ion batteries.

Graphical abstract: p-Type SnO thin layers on n-type SnS2 nanosheets with enriched surface defects and embedded charge transfer for lithium ion batteries
Communication

Pyridinic nitrogen-rich carbon nanocapsules from a bioinspired polydopamine derivative for highly efficient electrocatalytic oxygen reduction

A novel bioinspired polydopamine derivative was prepared by self-polymerization of 6-(2-aminoethyl)-3-hydroxypyridin-2(1H)-one in an alkaline medium. It could be used as precursor to produce pyridinic N-rich carbon nanocapsules with a desired N doping content and superior electrocatalytic activity and stability for the ORR.

Graphical abstract: Pyridinic nitrogen-rich carbon nanocapsules from a bioinspired polydopamine derivative for highly efficient electrocatalytic oxygen reduction
Paper

Facile Room Temperature Solventless Synthesis of High Thermoelectric Performance Ag2Se via Dissociative Adsorption Reaction

Paper

Porphyrinic coordination lattices with fluoropillars

Porphyrins and fluorides are combined to fabricate MOFs that also serve as single-source precursors for fluorine-doped carbon for oxygen reduction.

Graphical abstract: Porphyrinic coordination lattices with fluoropillars
Paper

Strong and efficient self-healing adhesives based on dynamic quaternization cross-links

The poly(1,2,3-triazolium) vitrimer adhesive has particularly high lap-shear strength (23.7 MPa) and can self-heal 20 times after being damaged.

Graphical abstract: Strong and efficient self-healing adhesives based on dynamic quaternization cross-links
Open Access Paper

Revealing the relation between the structure, Li-ion conductivity and solid-state battery performance of the argyrodite Li6PS5Br solid electrolyte

The relation between the argyrodite solid-electrolyte morphology and solid-state Li-ion battery performance is investigated, suggesting different morphologies for the electrode in combination electrolyte regions.

Graphical abstract: Revealing the relation between the structure, Li-ion conductivity and solid-state battery performance of the argyrodite Li6PS5Br solid electrolyte
Paper

Heteroatom functionalized activated porous biocarbons and their excellent performance for CO2 capture at high pressure

Activated biocarbons with a porous structure and nitrogen functionalities are synthesized from the prolific waste biomass, Arundo donax, and an organic material, chitosan, by a simple one step chemical activation with ZnCl2.

Graphical abstract: Heteroatom functionalized activated porous biocarbons and their excellent performance for CO2 capture at high pressure
Paper

Constructing hierarchical dandelion-like molybdenum–nickel–cobalt ternary oxide nanowire arrays on carbon nanotube fiber for high-performance wearable fiber-shaped asymmetric supercapacitors

The fabricated electrode delivers high specific capacitance and is applied to fiber-shaped asymmetric supercapacitors.

Graphical abstract: Constructing hierarchical dandelion-like molybdenum–nickel–cobalt ternary oxide nanowire arrays on carbon nanotube fiber for high-performance wearable fiber-shaped asymmetric supercapacitors
Paper

Large-scale fabrication of translucent, stretchable and durable superhydrophobic composite films

Paper

Remarkable High-temperature Li-storage Performance of Few-layer Graphene-anchored Fe3O4 Nanocomposites as Anode

Paper

Hollow ZnCdS Dodecahedral Cages for Highly Efficient Visible-Light-Driven Hydrogen Generation

Paper

Novel Bifunctional Thermo-Sensitive Poly(Lactic Acid)@Poly(Butylene Succinate) Core-Shell Fibrous Separator prepared by Coaxial Electrospun route for Safe Lithium-Ion Battery

Paper

Redox synthesis and high catalytic efficiency of transition-metal nanoparticle–graphene oxide nanocomposites

The redox method of synthesis provides highly efficient transition metal–graphene oxide nanocatalysts.

Graphical abstract: Redox synthesis and high catalytic efficiency of transition-metal nanoparticle–graphene oxide nanocomposites
Paper

High-performance nonfullerene polymer solar cells based on a fluorinated wide bandgap copolymer with a high open-circuit voltage of 1.04 V

Nonfullerene polymer solar cells based on a polymer donor PM6 containing a fluorinated-thienyl benzodithiophene unit and a small molecule acceptor ITIC showed a PCE of 9.7% with a Voc of up to 1.04 V and an energy loss as low as 0.51 eV.

Graphical abstract: High-performance nonfullerene polymer solar cells based on a fluorinated wide bandgap copolymer with a high open-circuit voltage of 1.04 V
Paper

In-situ creating a macro-chamber for S conversion reactions in Lithium-Sulfur batteries

Paper

One-step constructed ultrathin Janus polyamide nanofilm with opposite charges for highly efficient nanofiltration

Paper

Donor Polymer Fluorination Doubles the Efficiency in Non-Fullerene Organic Photovoltaics

Paper

Edge-Oriented SnS2 Nanosheet Arrays on Carbon Paper as Advanced Binder-Free Anodes for Li-Ion and Na-Ion Batteries

Paper

Selective electroreduction of CO2 to formate on 3D [100] Pb dendrites with nanometer-sized needle-like tips

Honeycomb porous Pb films with a dendrite-like secondary structure growing along the [100]-axis were prepared by Dynamic Hydrogen Bubble Templating (DHBT) and used for the electroreduction of CO2.

Graphical abstract: Selective electroreduction of CO2 to formate on 3D [100] Pb dendrites with nanometer-sized needle-like tips
Paper

In operando XAS investigation of reduction and oxidation processes in cobalt and iron mixed spinels during the chemical loop reforming of ethanol

FeCo2O4 and CoFe2O4 nanoparticles have been studied as oxygen carriers for the chemical loop reforming of ethanol by using in operando X-ray absorption spectroscopy.

Graphical abstract: In operando XAS investigation of reduction and oxidation processes in cobalt and iron mixed spinels during the chemical loop reforming of ethanol
Paper

Surface sodium functionalization of ordered mesoporous Co3O4 controls the enhanced simultaneous catalytic removal of soot and NOx

We demonstrate a simple surface sodium functionalization effect introduced during silica removal step for controlling the enhanced simultaneous catalytic removal of soot and NOx by ordered mesoporous Co3O4.

Graphical abstract: Surface sodium functionalization of ordered mesoporous Co3O4 controls the enhanced simultaneous catalytic removal of soot and NOx
Paper

Morphochemical imprinting of melamine cyanurate mesocrystals in glucose-derived carbon for high performance lithium ion batteries

A novel dual-imprinting method is suggested to provide a straightforward strategy to synthesize highly pyridinic N-enriched hierarchically nanostructured carbon for energy applications.

Graphical abstract: Morphochemical imprinting of melamine cyanurate mesocrystals in glucose-derived carbon for high performance lithium ion batteries
Paper

Boosting Photovoltaic Thermal Stability of Fullerene Bulk Heterojunction Solar Cells through Charge Transfer Interactions

Paper

Facile Method for Preparation of Three-Dimensional CNT Sponge and Nanoscale Engineering Design for High Performance Fiber-Shaped Asymmetrical Supercapacitors

Paper

Highly Conductive Na-embedded Carbon Nanowalls for Hole-Transport-Material-Free Perovskite Solar Cells without Metal-Electrode

Paper

Biomass derived 2D carbons via hydrothermal carbonization method as efficient bifunctional ORR/HER electrocatalysts

219 items - Showing page 1 of 4

About this collection

This on-going web collection features all the articles published inJournal of Materials Chemistry A in 2017 marked as HOT, as recommended by referees.  Congratulations to all the authors whose articles are featured!

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