Themed collection 2021 Materials Chemistry Frontiers HOT articles

56 items
Research Article

Porous polyimide framework based on perylene and triazine for reversible potassium-ion storage

A porous polyimide framework was prepared via condensation between perylenetetracarboxylic dianhydride and triazine and investigated as an electrode material for reversible K+-ion storage. It exhibited a large reversible capacity, good rate performance, and long cycling stability up to 1000 cycles at 5 A g−1.

Graphical abstract: Porous polyimide framework based on perylene and triazine for reversible potassium-ion storage
Research Article

Anchoring Zn0.5Cd0.5S solid solution onto 2D porous Co–CoO nanosheets for highly improved photocatalytic H2 generation

Two-dimensional porous Co–CoO nanosheets act as an efficient cocatalyst to reduce the HER overpotential and boost the charge separation of Zn0.5Cd0.5S nanocrystals.

Graphical abstract: Anchoring Zn0.5Cd0.5S solid solution onto 2D porous Co–CoO nanosheets for highly improved photocatalytic H2 generation
Research Article

Improving the performance of all-inorganic perovskite light-emitting diodes through using polymeric interlayers with a pendant design

Despite demonstrating better photoluminescence quantum yield and ambient/operational stability than organic–inorganic hybrid perovskites, all-inorganic perovskites encounter the problem of inferior film quality and interfacial electrical properties.

Graphical abstract: Improving the performance of all-inorganic perovskite light-emitting diodes through using polymeric interlayers with a pendant design
Research Article

Naphthalene-diimide-based all-conjugated block copolymer as an effective compatibilizer to improve the performance and thermal stability of all-polymer solar cells

A new donor–acceptor-type all-conjugated block copolymer, P(NDI-DBDT)-b-P(NDI-2T), is synthesized through the coupling of a naphthalene diimide (NDI)-bithiophene segment-based polymer and an NDI-dithienylbenzodithiophene (DBDT) segment-based polymer.

Graphical abstract: Naphthalene-diimide-based all-conjugated block copolymer as an effective compatibilizer to improve the performance and thermal stability of all-polymer solar cells
Research Article

Controllable synthesis of multidimensional carboxylic acid-based NiFe MOFs as efficient electrocatalysts for oxygen evolution

Controllable synthesis of multidimensional carboxylic acid-based NiFe MOFs is realized by a simple solvent-assisted strategy as efficient electrocatalysts for oxygen evolution.

Graphical abstract: Controllable synthesis of multidimensional carboxylic acid-based NiFe MOFs as efficient electrocatalysts for oxygen evolution
Research Article

Highly sensitive detection of paraquat with pillar[5]arenes as an aptamer in an α-hemolysin nanopore

We report a highly sensitive biological nanopore sensor by introducing carboxylatopillar[5]arene (CP[5]A) molecule as an aptamer into the lumen of αHL nanopore for the single-molecule detection of paraquat (PQ) via host–guest interactions.

Graphical abstract: Highly sensitive detection of paraquat with pillar[5]arenes as an aptamer in an α-hemolysin nanopore
Research Article

Modulating the kinetics of CoSe2 yolk–shell spheres via nitrogen doping with high pseudocapacitance toward ultra-high-rate capability and high-energy density sodium-ion half/full batteries

Uniform nitrogen-doped CoSe2 yolk–shell spheres with improved electrochemical kinetics have been synthesized, which deliver excellent sodium storage performance in terms of ultra-high-rate capability and long cycling durability.

Graphical abstract: Modulating the kinetics of CoSe2 yolk–shell spheres via nitrogen doping with high pseudocapacitance toward ultra-high-rate capability and high-energy density sodium-ion half/full batteries
Research Article

Facial synthesis of two-dimensional In2S3/Ti3C2Tx heterostructures with boosted photoactivity for the hydrogenation of nitroaromatic compounds

In this work, Ti3C2Tx (MXene) acts as the platform for directing the growth of 2D In2S3 nanoflakes, thereby generating 2D In2S3/Ti3C2Tx heterostructures, which exhibited boosted photocatalytic activities compared to bare In2S3.

Graphical abstract: Facial synthesis of two-dimensional In2S3/Ti3C2Tx heterostructures with boosted photoactivity for the hydrogenation of nitroaromatic compounds
Research Article

Hierarchical C/Co3O4 nanoarray on a nickel substrate integrating electromagnetic and thermal shielding

A hierarchical C/Co3O4 nanoarray integrating excellent electromagnetic and thermal shielding performance can be used to assemble wearable devices to protect human beings from electromagnetic and thermal radiation.

Graphical abstract: Hierarchical C/Co3O4 nanoarray on a nickel substrate integrating electromagnetic and thermal shielding
Research Article

An anthracene based conjugated triazine framework as a luminescent probe for selective sensing of p-nitroaniline and Fe(III) ions

An anthracene based conjugated triazine framework (DPA-CTF) has been constructed as a luminescent probe for selective sensing of p-nitroaniline and Fe(III) ions.

Graphical abstract: An anthracene based conjugated triazine framework as a luminescent probe for selective sensing of p-nitroaniline and Fe(iii) ions
Research Article

Simple glycerol-assisted and morphology controllable solvothermal synthesis of CeVO4/BiVO4 hierarchical hollow microspheres with enhanced photocatalytic activities

CeVO4/BiVO4 heterostructures were synthesized and achieved a significantly improved photocatalytic efficiency towards MB under visible-light irradiation.

Graphical abstract: Simple glycerol-assisted and morphology controllable solvothermal synthesis of CeVO4/BiVO4 hierarchical hollow microspheres with enhanced photocatalytic activities
Research Article

Silica-nanoresin crosslinked composite polymer electrolyte for ambient-temperature all-solid-state lithium batteries

A novel poly(vinyl ethylene carbonate) based composite polymer electrolyte using a cellulose membrane as a separator, adding a NR acting as both a silica filler and ETPTA crosslinker, and eventually constructing a crosslinked structure with a high modulus.

Graphical abstract: Silica-nanoresin crosslinked composite polymer electrolyte for ambient-temperature all-solid-state lithium batteries
Research Article

Donor–acceptor based two-dimensional covalent organic frameworks for near-infrared photothermal conversion

Two 2D COFs containing both electron acceptors and donors were prepared successfully. The charge-transfer process results in distinct near-infrared absorption properties which make them good NIR photothermal materials.

Graphical abstract: Donor–acceptor based two-dimensional covalent organic frameworks for near-infrared photothermal conversion
Research Article

Sulfonic acid functionalized graphitic carbon nitride as solid acid–base bifunctional catalyst for Knoevenagel condensation and multicomponent tandem reactions

A highly efficient, non-toxic, metal-free, low-cost, acid–base bifunctional sulfonated graphitic carbon nitride (S-g-C3N4) nanosheets for Knoevenagel condensation and multicomponent tandem reactions under environmentally benign conditions.

Graphical abstract: Sulfonic acid functionalized graphitic carbon nitride as solid acid–base bifunctional catalyst for Knoevenagel condensation and multicomponent tandem reactions
Research Article

A large-bandgap copolymer donor for efficient ternary organic solar cells

A 2.18 eV bandgap copolymer donor C1 was developed for efficient ternary organic solar cells.

Graphical abstract: A large-bandgap copolymer donor for efficient ternary organic solar cells
Research Article

High-power graphene supercapacitors for the effective storage of regenerative energy during the braking and deceleration process in electric vehicles

The practical applicability of a high-power graphene supercapacitor as an effective primary and auxiliary energy storage system for storing regenerative energy from the braking and deceleration process in electric vehicles (EVs) is studied.

Graphical abstract: High-power graphene supercapacitors for the effective storage of regenerative energy during the braking and deceleration process in electric vehicles
Research Article

Triple-responsive targeted hybrid liposomes with high MRI performance for tumor diagnosis and therapy

Targeted multi-responsive drug delivery systems with magnetic resonance imaging (MRI) capacity were anticipated as a promising tool for tumor therapy and diagnosis.

Graphical abstract: Triple-responsive targeted hybrid liposomes with high MRI performance for tumor diagnosis and therapy
Research Article

Self-trapped exciton to dopant energy transfer in Sb3+-doped Cs2ZrCl6 perovskite variants

The study on the doping in perovskites and perovskite variants become a hot issue, which can provide a feasible way for modulating the electronic and photoluminescence properties and structural stability.

Graphical abstract: Self-trapped exciton to dopant energy transfer in Sb3+-doped Cs2ZrCl6 perovskite variants
Research Article

Regulating the adsorption behavior of intermediates on Ir–W@Ir–WO3−x boosts acidic water oxidation electrocatalysis

The activity and stability toward acidic water oxidation on Ir–W@Ir–WO3−x can be boosted by regulating the adsorption behavior of oxygen-containing intermediates.

Graphical abstract: Regulating the adsorption behavior of intermediates on Ir–W@Ir–WO3−x boosts acidic water oxidation electrocatalysis
Research Article

Graphdiyne–hemin-mediated catalytic system for wound disinfection and accelerated wound healing

The well-dispersed and biosafe hemin/graphdiyne (GDY) nanocomposite (GDY–hemin) exhibits high peroxidase activity, which can decompose H2O2 to generate highly-toxic hydroxyl radicals, leading to bacterial death in both in vitro and in vivo.

Graphical abstract: Graphdiyne–hemin-mediated catalytic system for wound disinfection and accelerated wound healing
Research Article

Fluorescence resonance energy transfer enhanced photothermal and photodynamic antibacterial therapy post a single injection

The constructed near-infrared photothermal nanoparticles (NDIA@PEG-Ce6/B NPs) can enhance the photothermal performance through the FRET effect and can achieve excellent photothermal and photodynamic antibacterial treatment post a single injection.

Graphical abstract: Fluorescence resonance energy transfer enhanced photothermal and photodynamic antibacterial therapy post a single injection
Research Article

Formation of a lead chalcogenide quantum dot-based supramolecular polymer network via pillar[5]arene-based host–guest complexation

We presented the construction of a lead chalcogenide quantum dot-based fluorescent supramolecular polymer network driven by pillar[5]arene-based host–guest complexation.

Graphical abstract: Formation of a lead chalcogenide quantum dot-based supramolecular polymer network via pillar[5]arene-based host–guest complexation
Research Article

Highly efficient solution-processed pure yellow OLEDs based on dinuclear Pt(II) complexes

Two efficient dinuclear Pt(II) complexes SO-DPt and AB-DPt were developed by employing diphenylsulfone and arylboron groups. The resultant emitters exhibited pure yellow electroluminescence in solution-processed OLEDs with EQEs exceeding 21%.

Graphical abstract: Highly efficient solution-processed pure yellow OLEDs based on dinuclear Pt(ii) complexes
Research Article

Ionic conductivity and dielectric properties of bulk SPP-PEG hydrogels as Na+ ion-based SPE materials for energy storage applications

A non-flammable, non-hazardous, eco-friendly polymeric hydrogel material with a floating sandwiched layer was prepared by a green chemistry method for energy storage applications.

Graphical abstract: Ionic conductivity and dielectric properties of bulk SPP-PEG hydrogels as Na+ ion-based SPE materials for energy storage applications
Research Article

Photoactive conjugated polymer/graphdiyne nanocatalyst for CO2 reduction to CO in living cells for hypoxia tumor treatment

A photoactive conjugated polymer/graphdiyne nanocatalyst was developed for the in situ reduction of CO2 to CO for hypoxia tumor treatment.

Graphical abstract: Photoactive conjugated polymer/graphdiyne nanocatalyst for CO2 reduction to CO in living cells for hypoxia tumor treatment
Research Article

Silk fibroin microspheres as optical resonators for wide-range humidity sensing and biodegradable lasers

Silk fibroin, a naturally abundant and eco-friendly material, is successfully transformed into discrete, well-defined microspherical particles that function as an active optical resonator for precise moisture sensing over a wide humidity range.

Graphical abstract: Silk fibroin microspheres as optical resonators for wide-range humidity sensing and biodegradable lasers
Research Article

Asymmetric small organic molecule-based NIR-II fluorophores for high performance tumor phototheranostics

High performance phototheranostic agents based on a single-component asymmetric small organic molecule were successfully constructed for NIR-II fluorescence imaging-guided photothermal/photodynamic therapy.

Graphical abstract: Asymmetric small organic molecule-based NIR-II fluorophores for high performance tumor phototheranostics
Research Article

Ordered mesoporous ZnGa2O4 for photocatalytic hydrogen evolution

Ordered large-pore mesoporous ZnGa2O4 with ultrathin crystalline frameworks of 3–5 nm for photocatalytic hydrogen evolution.

Graphical abstract: Ordered mesoporous ZnGa2O4 for photocatalytic hydrogen evolution
Research Article

Increasing the surface area and CO2 uptake of conjugated microporous polymers via a post-knitting method

A facile post-knitting method was developed to increase the surface area of conjugated microporous polymers for improving the CO2 adsorption ability.

Graphical abstract: Increasing the surface area and CO2 uptake of conjugated microporous polymers via a post-knitting method
Research Article

A glutathione-activated carrier-free nanodrug of triptolide as a trackable drug delivery system for monitoring and improving tumor therapy

The chemical structure of CyssTP and its self-assembly into a glutathione-activated carrier-free nanodrug of triptolide (CyssTPN) as a trackable drug delivery system for tumor therapy.

Graphical abstract: A glutathione-activated carrier-free nanodrug of triptolide as a trackable drug delivery system for monitoring and improving tumor therapy
Research Article

Graphdiyne@NiOx(OH)y heterostructure for efficient overall water splitting

A new GDY@NiOx(OH)y heterostructure was synthesized by creatively incorporating GDY with NiOx(OH)y for efficient water splitting. The mixed valence states and facilitated charge transfer behavior significantly improve the catalytic activity.

Graphical abstract: Graphdiyne@NiOx(OH)y heterostructure for efficient overall water splitting
Research Article

Constructing a stable interface between the sulfide electrolyte and the Li metal anode via a Li+-conductive gel polymer interlayer

An in situ derived Li+-conductive gel polymer interlayer enables intimate solid–solid contact and uniform Li+ flux at the Li/Li10GeP2S12 heterointerface and effectively inhibits interfacial reactions and Li dendrite growth.

Graphical abstract: Constructing a stable interface between the sulfide electrolyte and the Li metal anode via a Li+-conductive gel polymer interlayer
Open Access Research Article

Rational design of aqueous conjugated polymer nanoparticles as potential theranostic agents of breast cancer

Aqueous conjugated polymer nanoparticles developed by nanoprecipitation from a quinoxaline–thiophene type conjugated polymer with 3 fluorine atoms as potential cancer theranostics for breast cancer.

Graphical abstract: Rational design of aqueous conjugated polymer nanoparticles as potential theranostic agents of breast cancer
Research Article

Electrochemical fixation of CO2 over a Mo plate to prepare a Mo2C film for electrocatalytic hydrogen evolution

Electrochemical reduction of CO2 over a metal substrate integrates fixation of CO2 and surface carbonization of the metal to functional films.

Graphical abstract: Electrochemical fixation of CO2 over a Mo plate to prepare a Mo2C film for electrocatalytic hydrogen evolution
Research Article

Research on metallic chalcogen-functionalized monolayer-puckered V2CX2 (X = S, Se, and Te) as promising Li-ion battery anode materials

Two-dimensional MXene nanomaterials are promising anode materials for Li-ion batteries (LIBs) due to their excellent conductivity, large surface area, and high Li capability.

Graphical abstract: Research on metallic chalcogen-functionalized monolayer-puckered V2CX2 (X = S, Se, and Te) as promising Li-ion battery anode materials
Research Article

Synthesis and fundamental studies of a photoresponsive oligonucleotide-upconverting nanoparticle covalent conjugate

A greener route to a photocleavable phosphoramidite was used to synthesize an alkyne-containing oligonucleotide and conjugated to an azide-modified upconverting nanoparticle. The conjugation, energy transfer, and photocleavage were evaluated.

Graphical abstract: Synthesis and fundamental studies of a photoresponsive oligonucleotide-upconverting nanoparticle covalent conjugate
Open Access Research Article

Ceria doping boosts methylene blue photodegradation in titania nanostructures

The photocatalytic activity of titania nanotubes and nanoparticles toward methylene blue (MB) can be enhanced through addition of a small amount of Ce. MB acts as a hole scavenger, fastening the photocatalytic process.

Graphical abstract: Ceria doping boosts methylene blue photodegradation in titania nanostructures
Research Article

Controllable growth of graphdiyne layered nanosheets for high-performance water oxidation

Developing highly active, stable and low-cost electrocatalysts capable of an efficient oxygen evolution reaction (OER) is urgent and challenging.

Graphical abstract: Controllable growth of graphdiyne layered nanosheets for high-performance water oxidation
Research Article

Hydrogen bond induced high-performance quaternary organic solar cells with efficiency up to 17.48% and superior thermal stability

We present a novel quaternary OSCs by doping SR197 and PC71BM into a host system (PM6:Y6) to achieve a PCE of up to 17.48%. And the intermolecular hydrogen bonds between materials are formed to directionally modulate the film morphology.

Graphical abstract: Hydrogen bond induced high-performance quaternary organic solar cells with efficiency up to 17.48% and superior thermal stability
Research Article

Carbon-incorporated Fe3O4 nanoflakes: high-performance faradaic materials for hybrid capacitive deionization and supercapacitors

Here, we introduce a new strategy using urea for the synthesis of carbon-incorporated 2D Fe3O4 (2D-Fe3O4/C) nanoflakes which show superior potential for hybrid capacitive deionization and supercapacitors.

Graphical abstract: Carbon-incorporated Fe3O4 nanoflakes: high-performance faradaic materials for hybrid capacitive deionization and supercapacitors
Research Article

A dentin hypersensitivity treatment using highly stable photothermal conversion nanoparticles

A type of photothermal biocompatible organic nanoparticles with a high PCE (40.6%) was developed and investigated, followed by the achievement of a significantly more effective phototheranostic dental hypersensitivity treatment combined with laser.

Graphical abstract: A dentin hypersensitivity treatment using highly stable photothermal conversion nanoparticles
Research Article

Stencil mask defined doctor blade printing of organic single crystal arrays for high-performance organic field-effect transistors

A novel printing method to realize a solution processed large-area, high-resolution organic single crystal array for OFET applications.

Graphical abstract: Stencil mask defined doctor blade printing of organic single crystal arrays for high-performance organic field-effect transistors
Open Access Research Article

A near-infrared AIE probe for super-resolution imaging and nuclear lipid droplet dynamic study

A near-infrared AIE probe was developed for super-resolution imaging and nuclear lipid droplets dynamic study with good biocompatibility and high photostability.

Graphical abstract: A near-infrared AIE probe for super-resolution imaging and nuclear lipid droplet dynamic study
Research Article

DNA nanolantern as biocompatible drug carrier for simple preparation of a porphyrin/G-quadruplex nanocomposite photosensitizer with high photodynamic efficacy

DNA nanolanterns, a pure DNA assembly, are used as biocompatible drug carriers to prepare a nanocomposite photosensitizer for highly efficient photodynamic therapy in the biological transparent window.

Graphical abstract: DNA nanolantern as biocompatible drug carrier for simple preparation of a porphyrin/G-quadruplex nanocomposite photosensitizer with high photodynamic efficacy
Research Article

Enabling photocatalytic activity of [Ru(2,2′:6′,2′′-terpyridine)2]2+ integrated into a metal–organic framework

A multicomponent metal–organic framework is constructed to incorporate the bis-terpyridyl ruthenium motif, which was considered poorly photoactive, through a stepwise reticular synthesis to arouse its photosensitiveness for producing singlet oxygen.

Graphical abstract: Enabling photocatalytic activity of [Ru(2,2′:6′,2′′-terpyridine)2]2+ integrated into a metal–organic framework
Research Article

An aqueous rechargeable lithium ion battery with long cycle life and overcharge self-protection

Zn2+ added into electrolyte can effectively suppress H2 evolution. Therefore, a LiMn2O4/NaTi2(PO4)3 full cell exhibits enhanced overcharging performance and excellent cycling stability up to 10 000 cycles.

Graphical abstract: An aqueous rechargeable lithium ion battery with long cycle life and overcharge self-protection
Research Article

Glycolide additives enrich organic components in the solid electrolyte interphase enabling stable ultrathin lithium metal anodes

Glycolide (GL) is proposed as an electrolyte additive to prolong the cycle life of ultrathin Li metal anodes through the enrichment of the organic components in the working solid electrolyte interphase.

Graphical abstract: Glycolide additives enrich organic components in the solid electrolyte interphase enabling stable ultrathin lithium metal anodes
Research Article

A 2D porphyrin-based covalent organic framework with TEMPO for cooperative photocatalysis in selective aerobic oxidation of sulfides

This work reports the cooperative photocatalysis of a two-dimensional covalent organic framework with an electron transfer mediator in a selective organic transformation.

Graphical abstract: A 2D porphyrin-based covalent organic framework with TEMPO for cooperative photocatalysis in selective aerobic oxidation of sulfides
Research Article

Full-type photoluminescence from a single organic molecule for multi-signal temperature sensing

Full-type photoluminescence including concomitant fluorescence, delayed fluorescence, and room-temperature phosphorescence from a single organic molecule is used for multi-signal temperature sensing.

Graphical abstract: Full-type photoluminescence from a single organic molecule for multi-signal temperature sensing
Research Article

PET-RAFT facilitated 3D printable resins with multifunctional RAFT agents

The application of reversible addition–fragmentation chain-transfer (RAFT) agents in stereolithographic 3D printing has been seldom reported due to their tendency to reduce polymerization rates.

Graphical abstract: PET-RAFT facilitated 3D printable resins with multifunctional RAFT agents
Research Article

Sensitive and specific detection of peroxynitrite and in vivo imaging of inflammation by a “simple” AIE bioprobe

A facile synthesized AIE bioprobe was developed to detect peroxynitrite sensitively and specifically. This bioprobe can realize both in vitro ONOO detection and in vivo visualization of inflammation.

Graphical abstract: Sensitive and specific detection of peroxynitrite and in vivo imaging of inflammation by a “simple” AIE bioprobe
Research Article

An easily available ratiometric AIE probe for nitroxyl visualization in vitro and in vivo

An easily available ratiometric fluorescent probe (TCFPB-HNO) with aggregation-induced emission (AIE) characteristics was developed for the first time for the detection and visualization of nitroxyl (HNO) in vitro and in vivo.

Graphical abstract: An easily available ratiometric AIE probe for nitroxyl visualization in vitro and in vivo
Research Article

Diagnosis of fatty liver disease by a multiphoton-active and lipid-droplet-specific AIEgen with nonaromatic rotors

We present a two-photon AIEgen, ABCXF with nonaromatic rotors (–CF3), a high two-photon absorption cross-section, bright red emission in the solid-state, and remarkably high photostability for fatty liver disease diagnosis.

Graphical abstract: Diagnosis of fatty liver disease by a multiphoton-active and lipid-droplet-specific AIEgen with nonaromatic rotors
Research Article

Photo-triggered Zn2+ release for the regulation of zinc enzymes

A photo-triggered Zn2+ release system was developed based on HBTH–Zn–TAT NPs, which showed an excellent light-dependent “on–off” performance for Zn2+ release and the precise regulation of extra- and intracellular zinc enzyme activities.

Graphical abstract: Photo-triggered Zn2+ release for the regulation of zinc enzymes
Research Article

Polymer light-emitting electrochemical cells with ultralow salt content: performance enhancement through synergetic chemical and electrochemical doping actions

This work demonstrates that PLECs made with a low AgOTf salt concentration exhibit record luminance, efficiency, lifetime and response speed.

Graphical abstract: Polymer light-emitting electrochemical cells with ultralow salt content: performance enhancement through synergetic chemical and electrochemical doping actions
Research Article

Synthesizing alkynyl-decorated 2D conjugated nonfullerene acceptors for efficient polymer solar cells

Two 2D conjugated nonfullerene acceptors featured the conjugation of π-electrons of ethynyl side-chain and backbone, leading to enhanced absorptivity and downshifted energy levels, and showed around 16% efficiencies when employed as acceptor guests.

Graphical abstract: Synthesizing alkynyl-decorated 2D conjugated nonfullerene acceptors for efficient polymer solar cells
56 items

About this collection

Read our on-going collection of the hottest research published  as advanced article  from Materials Chemistry Frontiers in 2021. These articles are recommended by reviewers as being of significant novelty and interest. Congratulations to all the authors whose articles are featured!

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