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Themed collection Journal of Materials Chemistry A Lunar New Year collection 2021

50 items
Review Article

Ferrites: emerging light absorbers for solar water splitting

Ferrites are promising photoelectrode materials for solar water splitting to produce clean and storable hydrogen energy.

Graphical abstract: Ferrites: emerging light absorbers for solar water splitting
Review Article

Engineering pristine 2D metal–organic framework nanosheets for electrocatalysis

This review highlights recent advances and future opportunities in pristine MOF nanosheets for electrocatalysis.

Graphical abstract: Engineering pristine 2D metal–organic framework nanosheets for electrocatalysis
Review Article

Two-dimensional transition metal carbide and nitride (MXene) derived quantum dots (QDs): synthesis, properties, applications and prospects

Recent progress of MXene QDs, including their synthesis, properties, applications, and their future perspectives and challenges.

Graphical abstract: Two-dimensional transition metal carbide and nitride (MXene) derived quantum dots (QDs): synthesis, properties, applications and prospects
Review Article

Emerging applications of porous organic polymers in visible-light photocatalysis

Porous organic polymers are efficient photocatalysts in organic synthesis, hydrogen evolution, CO2 reduction, and degradation of organic pollutants.

Graphical abstract: Emerging applications of porous organic polymers in visible-light photocatalysis
Review Article

Covalent organic frameworks: emerging high-performance platforms for efficient photocatalytic applications

In this review, a comprehensive summary of the potential photocatalytic applications realized to date in the fast-growing field of COFs is provided with the aim to present a full blueprint of COFs for photochemical energy conversion and reactions.

Graphical abstract: Covalent organic frameworks: emerging high-performance platforms for efficient photocatalytic applications
From the themed collection: Journal of Materials Chemistry A HOT Papers
Review Article

Biomass-derived porous graphitic carbon materials for energy and environmental applications

This review presents the applications of biomass-derived porous graphitic carbon materials and their synthetic methods.

Graphical abstract: Biomass-derived porous graphitic carbon materials for energy and environmental applications
Open Access Review Article

Progress in nickel chalcogenide electrocatalyzed hydrogen evolution reaction

Nickel chalcogenides are a special class of electrocatalysts that possess exceptional HER activity and this review gives a comprehensive overview of their recent development.

Graphical abstract: Progress in nickel chalcogenide electrocatalyzed hydrogen evolution reaction
Review Article

Design and engineering of layered double hydroxide based catalysts for water depollution by advanced oxidation processes: a review

Various strategies to design LDH catalysts for advanced oxidation processes.

Graphical abstract: Design and engineering of layered double hydroxide based catalysts for water depollution by advanced oxidation processes: a review
Review Article

Current progress in electrocatalytic carbon dioxide reduction to fuels on heterogeneous catalysts

As a promising and important carbon source, utilization of carbon dioxide (CO2) can effectively solve the energy crisis caused by fossil resource consumption and the environmental problems arising from the emission of CO2.

Graphical abstract: Current progress in electrocatalytic carbon dioxide reduction to fuels on heterogeneous catalysts
Review Article

Metal–organic frameworks and their derivatives with graphene composites: preparation and applications in electrocatalysis and photocatalysis

This review systematically summarizes the preparation strategies of metal–organic frameworks and their derivatives with graphene composites for promising applications in electrocatalysis and photocatalysis.

Graphical abstract: Metal–organic frameworks and their derivatives with graphene composites: preparation and applications in electrocatalysis and photocatalysis
Review Article

Semiconductor-based photocatalysts for photocatalytic and photoelectrochemical water splitting: will we stop with photocorrosion?

This review outlines recent advances in strategies to improve the photoreaction stability of photocatalytic/photoelectrochemical water splitting systems, and discusses the tactics involved in improving the stability of such systems with different photocorrosion mechanisms.

Graphical abstract: Semiconductor-based photocatalysts for photocatalytic and photoelectrochemical water splitting: will we stop with photocorrosion?
Review Article

Nucleation and crystal growth control for scalable solution-processed organic–inorganic hybrid perovskite solar cells

In this review, we provide an in-depth overview of perovskite film formation mechanism and highlight the important role of nucleation/crystal growth in perovskite photovoltaics by using scalable solution deposition techniques.

Graphical abstract: Nucleation and crystal growth control for scalable solution-processed organic–inorganic hybrid perovskite solar cells
Communication

A broadband aggregation-independent plasmonic absorber for highly efficient solar steam generation

A plasmonic solar absorber, featuring broadband light harvesting by manipulating the structural anisotropy at the single nanoparticle level, enables absorption over the entire solar spectrum.

Graphical abstract: A broadband aggregation-independent plasmonic absorber for highly efficient solar steam generation
Communication

Mo-doped SnS2 with enriched S-vacancies for highly efficient electrocatalytic N2 reduction: the critical role of the Mo–Sn–Sn trimer

Mo-doped SnS2 nanosheets with enriched S-vacancies exhibited a greatly enhanced NRR activity, which is attributed to the creation of Mo–Sn–Sn trimer catalytic sites that can strongly activate N2 with a largely reduced energy barrier.

Graphical abstract: Mo-doped SnS2 with enriched S-vacancies for highly efficient electrocatalytic N2 reduction: the critical role of the Mo–Sn–Sn trimer
Communication

Novel gas sensing platform based on a stretchable laser-induced graphene pattern with self-heating capabilities

Laser-induced graphene based gas sensor conformable to skin with low detection limit at low temperature.

Graphical abstract: Novel gas sensing platform based on a stretchable laser-induced graphene pattern with self-heating capabilities
Communication

Fe-doping induced morphological changes, oxygen vacancies and Ce3+–Ce3+ pairs in CeO2 for promoting electrocatalytic nitrogen fixation

Fe-doping induced synergetic effects, including the morphological change of crystalline CeO2 to partial-amorphous nanosheets, enriched O-vacancies and active Ce3+–Ce3+ pairs, were all responsible for the significantly enhanced NRR activity of Fe-CeO2.

Graphical abstract: Fe-doping induced morphological changes, oxygen vacancies and Ce3+–Ce3+ pairs in CeO2 for promoting electrocatalytic nitrogen fixation
Communication

A chlorinated nonacyclic carbazole-based acceptor affords over 15% efficiency in organic solar cells

A systematic approach involving conjugation extension and end group chlorination is capable of enhancing both JSC and PCE. Overall, the PM6:DTTC-4Cl-based device delivers a remarkable PCE of 15.42% with a VOC of 0.92 V, a JSC of 22.64 mA cm−2 and an FF of 74.04%.

Graphical abstract: A chlorinated nonacyclic carbazole-based acceptor affords over 15% efficiency in organic solar cells
Paper

Au nanoparticle-embedded, nitrogen-deficient hollow mesoporous carbon nitride spheres for nitrogen photofixation

Gold-embedded, nitrogen-deficient hollow mesoporous carbon nitride spheres are constructed to give a solar-to-ammonia conversion efficiency of 0.032% for nitrogen photofixation.

Graphical abstract: Au nanoparticle-embedded, nitrogen-deficient hollow mesoporous carbon nitride spheres for nitrogen photofixation
From the themed collection: Journal of Materials Chemistry A HOT Papers
Paper

Exclusive enhancement of catalytic activity in Bi0.5Na0.5TiO3 nanostructures: new insights into the design of efficient piezocatalysts and piezo-photocatalysts

Bi0.5Na0.5TiO3 nanospheres show superior piezo-photocatalytic activity in water splitting, Cr(VI) reduction and degradation of organic pollutants.

Graphical abstract: Exclusive enhancement of catalytic activity in Bi0.5Na0.5TiO3 nanostructures: new insights into the design of efficient piezocatalysts and piezo-photocatalysts
Paper

Fe/Fe3C nanoparticle-decorated N-doped carbon nanofibers for improving the nitrogen selectivity of electrocatalytic nitrate reduction

N-doped carbon nanofibers embedded with Fe/Fe3C nanodomains demonstrate superior electrocatalytic nitrate reduction ability and nitrogen selectivity.

Graphical abstract: Fe/Fe3C nanoparticle-decorated N-doped carbon nanofibers for improving the nitrogen selectivity of electrocatalytic nitrate reduction
Paper

Interfacial coordination assembly of tannic acid with metal ions on three-dimensional nickel hydroxide nanowalls for efficient water splitting

Interfacial coordination of tannic acid with metal ions enables conformal coating on nickel hydroxide nanowalls for enhancing the water-splitting performance.

Graphical abstract: Interfacial coordination assembly of tannic acid with metal ions on three-dimensional nickel hydroxide nanowalls for efficient water splitting
Paper

Mesoporous carbon confined intermetallic nanoparticles as highly durable electrocatalysts for the oxygen reduction reaction

An effective strategy was demonstrated to develop a highly durable catalyst prototype that combines superfine Pt-based intermetallic nanoparticles with mesoporous carbon.

Graphical abstract: Mesoporous carbon confined intermetallic nanoparticles as highly durable electrocatalysts for the oxygen reduction reaction
Paper

A MoO3/MoO2-CP self-supporting heterostructure for modification of lithium–sulfur batteries

A unique MoO3/MoO2 heterostructure with an active interface is an ideal host for Li2S8, exhibiting superior rate and long-term cycling performance.

Graphical abstract: A MoO3/MoO2-CP self-supporting heterostructure for modification of lithium–sulfur batteries
Paper

Rational design of dual-metal-site catalysts for electroreduction of carbon dioxide

Dual-metal-site catalysts could exhibit superior activity for CO2 electroreduction to CO due to the breaking of scaling relationship.

Graphical abstract: Rational design of dual-metal-site catalysts for electroreduction of carbon dioxide
Paper

Aromatic porous polymer network membranes for organic solvent nanofiltration under extreme conditions

Organic solvent nanofiltration (OSN) membranes composed of aromatic porous polymer networks are fabricated by in situ cross-linking. They exhibit excellent chemical/structural stability, molecular-sieving selectivity, and high permeability for OSN.

Graphical abstract: Aromatic porous polymer network membranes for organic solvent nanofiltration under extreme conditions
Paper

Identifying the electrocatalytic active sites of a Ru-based catalyst with high Faraday efficiency in CO2-saturated media for an aqueous Zn–CO2 system

For the aqueous Zn–CO2 system, strongly embedded Ru nanoparticles on the substrate reveal the improved hydrogen generation activities for indirect CO2 utilization.

Graphical abstract: Identifying the electrocatalytic active sites of a Ru-based catalyst with high Faraday efficiency in CO2-saturated media for an aqueous Zn–CO2 system
Paper

A smart porous wood-supported flower-like NiS/Ni conjunction with vitrimer co-effect as a multifunctional material with reshaping, shape-memory, and self-healing properties for applications in high-performance supercapacitors, catalysts, and sensors

Wood-based materials are attracting extensive attention for applications in energy storage due to their environmental friendliness and the presence of numerous channels in their structure.

Graphical abstract: A smart porous wood-supported flower-like NiS/Ni conjunction with vitrimer co-effect as a multifunctional material with reshaping, shape-memory, and self-healing properties for applications in high-performance supercapacitors, catalysts, and sensors
Paper

Super-stretchable, elastic and recoverable ionic conductive hydrogel for wireless wearable, stretchable sensor

A super-stretchable and self-recoverable ionic conductive hydrogel was designed and used as a wearable stretchable sensor to monitor human body motions.

Graphical abstract: Super-stretchable, elastic and recoverable ionic conductive hydrogel for wireless wearable, stretchable sensor
Paper

The HER/OER mechanistic study of an FeCoNi-based electrocatalyst for alkaline water splitting

In operando XAS investigation on FeCoNi-based thin film unravels that Fe3+-assisted water dissociation promotes the formation of Co2+–μ-H–Ni3+ species, and the conductive character of Co2+Ni3+-oxide matrix facilitates the coupling of adjacent [Fe4+[double bond, length as m-dash]O/Fe3+–O˙] motifs.

Graphical abstract: The HER/OER mechanistic study of an FeCoNi-based electrocatalyst for alkaline water splitting
Paper

A yolk–shell structured metal–organic framework with encapsulated iron-porphyrin and its derived bimetallic nitrogen-doped porous carbon for an efficient oxygen reduction reaction

A yolk–shell structured metal–organic framework (MOF) with encapsulated 5,10,15,20-tetraphenylporphyrinatoiron (FeTPP) in a zeolitic imidazolate framework (ZIF)-L-ZIF-8 is reported.

Graphical abstract: A yolk–shell structured metal–organic framework with encapsulated iron-porphyrin and its derived bimetallic nitrogen-doped porous carbon for an efficient oxygen reduction reaction
Paper

Superhydrophilic porous carbon foam as a self-desalting monolithic solar steam generation device with high energy efficiency

Superhydrophilic porous carbon foam was successfully synthesized by facile carbonization of potato, providing a new perspective to design self-desalting monolithic ISSG to satisfy the demand for highly efficient and enduring solar desalination.

Graphical abstract: Superhydrophilic porous carbon foam as a self-desalting monolithic solar steam generation device with high energy efficiency
From the themed collection: Journal of Materials Chemistry A HOT Papers
Paper

Alkyl chain engineering of chlorinated acceptors for elevated solar conversion

A chlorinated acceptor with 2-butyloctyl side chains and a 3D interpenetrated structure in the single crystal shows excellent PCE up to 16.43%.

Graphical abstract: Alkyl chain engineering of chlorinated acceptors for elevated solar conversion
Paper

Asymmetric gel polymer electrolyte with high lithium ion conductivity for dendrite-free lithium metal batteries

An asymmetric gel polymer electrolyte is designed for regulating ions and suppressing Li dendrite growth in high-performance Li metal batteries.

Graphical abstract: Asymmetric gel polymer electrolyte with high lithium ion conductivity for dendrite-free lithium metal batteries
Paper

In situ construction of hydrazone-linked COF-based core–shell hetero-frameworks for enhanced photocatalytic hydrogen evolution

Octahedral MOF@COF core–shell hetero-framework photocatalysts were designed which achieved superior photocatalytic H2-evolution activity.

Graphical abstract: In situ construction of hydrazone-linked COF-based core–shell hetero-frameworks for enhanced photocatalytic hydrogen evolution
From the themed collection: Journal of Materials Chemistry A HOT Papers
Paper

An effective strategy of constructing a multi-junction structure by integrating a heterojunction and a homojunction to promote the charge separation and transfer efficiency of WO3

Constructing a multi-junction structure by integrating homojunction and heterojunction is an effective strategy for adequate light absorption, effective charge separation and transfer of WO3 photoanodes.

Graphical abstract: An effective strategy of constructing a multi-junction structure by integrating a heterojunction and a homojunction to promote the charge separation and transfer efficiency of WO3
Paper

Controlling the C2+ product selectivity of electrochemical CO2 reduction on an electrosprayed Cu catalyst

Copper catalyst with high C2 selectivity was synthesized by one-step electrospray pyrolysis. The C2/C1 ratio can be controlled easily by the spray amount of catalyst, and the C2 selectivity is very closely related to the structure of the catalyst.

Graphical abstract: Controlling the C2+ product selectivity of electrochemical CO2 reduction on an electrosprayed Cu catalyst
Paper

Ultrahigh discharge efficiency and improved energy density in rationally designed bilayer polyetherimide–BaTiO3/P(VDF-HFP) composites

Ultrahigh efficiencies over 95% and high energy densities are concurrently achieved in rationally designed bilayer polyetherimide–BaTiO3/P(VDF-HFP) composites.

Graphical abstract: Ultrahigh discharge efficiency and improved energy density in rationally designed bilayer polyetherimide–BaTiO3/P(VDF-HFP) composites
Paper

Synergistic boron-dopants and boron-induced oxygen vacancies in MnO2 nanosheets to promote electrocatalytic nitrogen reduction

The synergistic effect of B-dopants and B-dopant-induced O-vacancies led to the significantly enhanced NRR activity of MnO2 nanosheets with an NH3 yield of 54.2 μg h−1 mg−1 (−0.4 V) and a faradaic efficiency of 16.8% (−0.2 V).

Graphical abstract: Synergistic boron-dopants and boron-induced oxygen vacancies in MnO2 nanosheets to promote electrocatalytic nitrogen reduction
Paper

Ultra-thin trinity coating enabled by competitive reactions for unparalleled molecular separation

Inspired by the competition-driven evolution in nature such as for organismal complexity expansion, the covalent bond (CB)/coordination bond (COB) competitive reactions as the universal toolbox were conceived to construct the unparalleled molecular separation trinity coating.

Graphical abstract: Ultra-thin trinity coating enabled by competitive reactions for unparalleled molecular separation
Paper

Polyelectrolyte complex-based self-healing, fatigue-resistant and anti-freezing hydrogels as highly sensitive ionic skins

Hydrogel-based self-healing ionic skins possess high mechanical strength, excellent resilience, anti-freezing properties and high sensitivity and can heal fatigue and mechanical damage to restore the original sensing performance.

Graphical abstract: Polyelectrolyte complex-based self-healing, fatigue-resistant and anti-freezing hydrogels as highly sensitive ionic skins
From the themed collection: Journal of Materials Chemistry A HOT Papers
Paper

A universal strategy to obtain highly redox-active porous carbons for efficient energy storage

A universal route based on benzoquinone and amines with different chemical structures and compositions is developed to engineer geometrically tailored, highly redox-active O/N codoped porous carbons for high-efficiency energy storage.

Graphical abstract: A universal strategy to obtain highly redox-active porous carbons for efficient energy storage
Paper

A superhydrophobic fluorinated PDMS composite as a wearable strain sensor with excellent mechanical robustness and liquid impalement resistance

To endow strain sensors with superhydrophobicity may be a promising approach to improve the infrastructure safety in harsh environments.

Graphical abstract: A superhydrophobic fluorinated PDMS composite as a wearable strain sensor with excellent mechanical robustness and liquid impalement resistance
Paper

Iron single-atom catalyst anchored on nitrogen-rich MOF-derived carbon nanocage to accelerate polysulfide redox conversion for lithium sulfur batteries

Permanent adsorption-conversion of lithium polysulfides by iron single atom anchored porous nitrogen-rich carbon nanocages endows lithium sulfur batteries with long lasting rate performance.

Graphical abstract: Iron single-atom catalyst anchored on nitrogen-rich MOF-derived carbon nanocage to accelerate polysulfide redox conversion for lithium sulfur batteries
Paper

An engineered self-supported electrocatalytic cathode and dendrite-free composite anode based on 3D double-carbon hosts for advanced Li–SeS2 batteries

A 3D double-carbon scaffold is delicately constructed as a universal host to engineer both SeS2 cathodes and dendrite-free Li metal anodes along with achieving reliable electrochemistry simultaneously for advanced Li–SeS2 batteries.

Graphical abstract: An engineered self-supported electrocatalytic cathode and dendrite-free composite anode based on 3D double-carbon hosts for advanced Li–SeS2 batteries
Paper

Highly efficient tin perovskite solar cells achieved in a wide oxygen concentration range

Tin perovskite solar cells (TPSCs) as one of the most promising candidates for lead-free PSCs have large potential to be industrialized in the future.

Graphical abstract: Highly efficient tin perovskite solar cells achieved in a wide oxygen concentration range
Paper

Necklace-like carbon nanofibers encapsulating V3S4 microspheres for ultrafast and stable potassium-ion storage

In this work, we have rationally designed a new necklace-like V3S4/carbon composite composed of V3S4 microspheres encapsulated into N-doped carbon nanofibers as advanced anode for potassium-ion batteries.

Graphical abstract: Necklace-like carbon nanofibers encapsulating V3S4 microspheres for ultrafast and stable potassium-ion storage
Paper

Bimetallic metal–organic framework-derived MoFe-PC microspheres for electrocatalytic ammonia synthesis under ambient conditions

MoFe-PC exhibits a high yield rate and faradaic efficiency for NH3 electrosynthesis in acidic electrolytes due to the multicomponent active sites and inherent porous structure.

Graphical abstract: Bimetallic metal–organic framework-derived MoFe-PC microspheres for electrocatalytic ammonia synthesis under ambient conditions
Paper

Optimizing the rate capability of nickel cobalt phosphide nanowires on graphene oxide by the outer/inter-component synergistic effects

Bimetallic phosphides have been identified as promising alternative electrode materials owing to their admirable conductivity and electrochemical activity.

Graphical abstract: Optimizing the rate capability of nickel cobalt phosphide nanowires on graphene oxide by the outer/inter-component synergistic effects
Open Access Paper

Facile in situ solution synthesis of SnSe/rGO nanocomposites with enhanced thermoelectric performance

SnSe/rGO nanocomposites can be synthesised in situ via a facile solution method; once sintered, the lattice thermal conductivity and ZT of the composites are significantly reduced and enhanced respectively compared to SnSe itself.

Graphical abstract: Facile in situ solution synthesis of SnSe/rGO nanocomposites with enhanced thermoelectric performance
Paper

Oxidation-resistant titanium carbide MXene films

We have demonstrated a highly stable electric heater made of oxidation-resistant MXene film, which was capable of stable operation in air under highly oxidizing conditions (70 °C, 100% RH).

Graphical abstract: Oxidation-resistant titanium carbide MXene films
50 items

About this collection

To mark the Lunar New Year, this web collection features the top 50 most popular articles published in Journal of Materials Chemistry A in 2020 by corresponding authors based in Asia.

Congratulations to all of the authors whose articles have been featured!

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