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Themed collection 2019 Materials Chemistry Frontiers HOT articles

42 items
Research Article

Bioinspired tough, conductive hydrogels with thermally reversible adhesiveness based on nanoclay confined NIPAM polymerization and a dopamine modified polypeptide

A multifunctional conductive hydrogel with controllable adhesiveness, high strechability and excellent biocompatibility based on PDAEA, clay, and PNIPAM.

Graphical abstract: Bioinspired tough, conductive hydrogels with thermally reversible adhesiveness based on nanoclay confined NIPAM polymerization and a dopamine modified polypeptide
Research Article

A polymorphic fluorescent material with strong solid state emission and multi-stimuli-responsive properties

We report a highly fluorescent difluoroboron β-diketonate derivative 1 which shows four emission colors (green, yellow, orange and red) with high quantum yields (41–74%) in four polymorphs and one amorphous state.

Graphical abstract: A polymorphic fluorescent material with strong solid state emission and multi-stimuli-responsive properties
Research Article

Self-assembled binary multichromophore dendrimers with enhanced electro-optic coefficients and alignment stability

Self-assembled binary multichromophore dendrimers HDSD–FDSD have been developed to increase the poling efficiency, refractive Index and stability of the EO materials.

Graphical abstract: Self-assembled binary multichromophore dendrimers with enhanced electro-optic coefficients and alignment stability
Research Article

A multifunctional Zr-MOF for the rapid removal of Cr2O72−, efficient gas adsorption/separation, and catalytic performance

A three-dimensional framework with two-dimensional channels (UPC-50) is obtained. The stable UPC-50 is a multi-functional material for the rapid removal of Cr2O72−, efficient gas adsorption/separation, and catalytic performance.

Graphical abstract: A multifunctional Zr-MOF for the rapid removal of Cr2O72−, efficient gas adsorption/separation, and catalytic performance
Research Article

Mechanofluorescent polymer/silsesquioxane composites based on tetraarylsuccinonitrile

Mechanofluorescent polymer/silsesquioxane composites were prepared by introducing tetraarylsuccinonitrile derivatives, which are mechanically cleaved to generate the corresponding pink carbon-centred radicals that exhibit yellow fluorescence.

Graphical abstract: Mechanofluorescent polymer/silsesquioxane composites based on tetraarylsuccinonitrile
From the themed collection: Mechanical Bond and Dynamic Covalent Bond
Research Article

A wide-bandgap copolymer donor based on a phenanthridin-6(5H)-one unit

An ultra-wide bandgap copolymer donor based on a phenanthridin-6(5H)-one unit offered an 8.54% PCE in nonfullerene organic solar cells.

Graphical abstract: A wide-bandgap copolymer donor based on a phenanthridin-6(5H)-one unit
Research Article

1T-MoS2 nanopatch/Ti3C2 MXene/TiO2 nanosheet hybrids for efficient photocatalytic hydrogen evolution

A unique 2D structure of Ti3C2/TiO2/1T-MoS2 composite with double metallic co-catalysts Ti3C2 and 1T phase MoS2 nanopatches is achieved and it exhibits high photocatalytic H2 evolution activity with a rate as high as 9738 μmol g−1 h−1.

Graphical abstract: 1T-MoS2 nanopatch/Ti3C2 MXene/TiO2 nanosheet hybrids for efficient photocatalytic hydrogen evolution
Research Article

Push–pull type quinoidal perylene showing solvent polarity dependent diradical character and negative solvatochromism

A push–pull perylene dye shows solvent dependent diradical character and negative solvatochromism.

Graphical abstract: Push–pull type quinoidal perylene showing solvent polarity dependent diradical character and negative solvatochromism
From the themed collection: Mechanical Bond and Dynamic Covalent Bond
Research Article

Design and performance study of high efficiency/low efficiency roll-off/high CRI hybrid WOLEDs based on aggregation-induced emission materials as fluorescent emitters

AIEgens TPB-AC and CP-BP-PXZ are used as non-doped blue and green layers, and Ir(dmppr-mp)2(divm) doped TCTA is used as red layer to construct high-performance hybrid WOLEDs.

Graphical abstract: Design and performance study of high efficiency/low efficiency roll-off/high CRI hybrid WOLEDs based on aggregation-induced emission materials as fluorescent emitters
Research Article

Carbonized polymer dots/TiO2 photonic crystal heterostructures with enhanced light harvesting and charge separation for efficient and stable photocatalysis

Carbonized polymer dots (CPDs) are introduced into TiO2 photonic crystals (PCs) to form CPD/PC heterostructures, which show enhanced light harvesting and charge separation and thus promoted photocatalytic performance.

Graphical abstract: Carbonized polymer dots/TiO2 photonic crystal heterostructures with enhanced light harvesting and charge separation for efficient and stable photocatalysis
From the themed collection: Carbon Dots
Research Article

On-site visual discrimination of transgenic food by water-soluble DNA-binding AIEgens

Development of affordable, simple and effective methods for rapid on-site identification of genetically modified organisms (GMO) is urgent due to public concern for transgenic food.

Graphical abstract: On-site visual discrimination of transgenic food by water-soluble DNA-binding AIEgens
Research Article

Tuning aggregation-induced emission nanoparticle properties under thin film formation

The preparation of AIE nanoparticles under thin film formation controls their size and the associated fluorescent intensity, with the smaller nanoparticles significantly increasing brightness.

Graphical abstract: Tuning aggregation-induced emission nanoparticle properties under thin film formation
Research Article

Copper surface doping to improve the structure and surface properties of manganese-rich cathode materials for sodium ion batteries

A facile copper surface doping process is proposed to enhance the surface structural stability of manganese-rich layered oxide cathodes.

Graphical abstract: Copper surface doping to improve the structure and surface properties of manganese-rich cathode materials for sodium ion batteries
Research Article

Anion replacement in silver chlorobromide nanocubes: two distinct hollowing mechanisms

Mechanistic studies on the controlled conversion of silver chlorobromide nanocubes into silver-based hollow nanostructures through chemical transformations.

Graphical abstract: Anion replacement in silver chlorobromide nanocubes: two distinct hollowing mechanisms
Research Article

Zeolite-confined carbon dots: tuning thermally activated delayed fluorescence emission via energy transfer

CD@zeolite composites with tunable TADF emission via an energy transfer process between confined CDs.

Graphical abstract: Zeolite-confined carbon dots: tuning thermally activated delayed fluorescence emission via energy transfer
From the themed collection: Carbon Dots
Research Article

Flexible control of excited state transition under pressure/temperature: distinct stimuli-responsive behaviours of two ESIPT polymorphs

The conversion between normal emission and ESIPT can be successfully achieved under pressure and temperature.

Graphical abstract: Flexible control of excited state transition under pressure/temperature: distinct stimuli-responsive behaviours of two ESIPT polymorphs
Research Article

Design of a novel scandium silicate based blue-emitting phosphor with high efficiency and robust thermal stability for warm WLEDs and field emission displays

A novel blue-emitting phosphor is synthesized, and its luminescence properties and potential application for WLEDs and FEDs are explored.

Graphical abstract: Design of a novel scandium silicate based blue-emitting phosphor with high efficiency and robust thermal stability for warm WLEDs and field emission displays
Research Article

Optimization of oxygen evolution dynamics on RuO2via controlling of spontaneous dissociation equilibrium

With precise control of reaction conditions, it is possible to accelerate the oxygen evolution kinetics through optimization of adsorption/dissociation equilibrium.

Graphical abstract: Optimization of oxygen evolution dynamics on RuO2via controlling of spontaneous dissociation equilibrium
Research Article

Tunable circularly polarized luminescence from molecular assemblies of chiral AIEgens

A tunable CPL response is achieved through regulating the aggregated structures of AIEgens in solution and solid states. Interestingly, DPCE-ECh exhibits a smectic C* phase with a high dissymmetry factor (gCD = −0.20 and glum = +0.38).

Graphical abstract: Tunable circularly polarized luminescence from molecular assemblies of chiral AIEgens
Research Article

Li4Ti5O12 quantum dot decorated carbon frameworks from carbon dots for fast lithium ion storage

Li4Ti5O12 quantum dots anchored on 3D carbon frameworks from carbon dots were designed and exhibited superior electrochemical lithium storage performance.

Graphical abstract: Li4Ti5O12 quantum dot decorated carbon frameworks from carbon dots for fast lithium ion storage
From the themed collection: Carbon Dots
Open Access Research Article

A versatile ethanolic approach to metal aerogels (Pt, Pd, Au, Ag, Cu and Co)

We present a universal ethanolic one-step approach to noble/less noble metal aerogels at room temperature and −70 °C.

Graphical abstract: A versatile ethanolic approach to metal aerogels (Pt, Pd, Au, Ag, Cu and Co)
Research Article

Ultrathin 2D Cu-porphyrin MOF nanosheets as a heterogeneous catalyst for styrene oxidation

Cu-TCPP nanosheets exhibit a high density of active sites and low diffusion barriers for styrene epoxidation.

Graphical abstract: Ultrathin 2D Cu-porphyrin MOF nanosheets as a heterogeneous catalyst for styrene oxidation
Research Article

Drastic photoluminescence modulation of an organic molecular crystal with high pressure

The pressure-induced phase transition of diphenylfluorenone leads to a drastic redshift of the photoluminescence spectra from greenish-yellow to the near-infrared region.

Graphical abstract: Drastic photoluminescence modulation of an organic molecular crystal with high pressure
Research Article

Fluorescent thermometer based on a quinolinemalononitrile copolymer with aggregation-induced emission characteristics

An AIEgen-grafted copolymer P(NIPAM-co-EM) is successfully constructed with thermo-responsive LCST-featuring matrix PNIPAM for temperature detection.

Graphical abstract: Fluorescent thermometer based on a quinolinemalononitrile copolymer with aggregation-induced emission characteristics
Research Article

An insight into the pyrolysis process of metal–organic framework templates/precursors to construct metal oxide anode materials for lithium-ion batteries

Two types of MOFs from the same linkers were selected as precursors to obtain Co3O4 nanomaterials. The structure and component evolution in the pyrolysis process were analyzed to illustrate the structure–activity relationship for the design of Co3O4-based anode materials for lithium-ion batteries.

Graphical abstract: An insight into the pyrolysis process of metal–organic framework templates/precursors to construct metal oxide anode materials for lithium-ion batteries
Research Article

A fluorescence and photoactivity dual-activatable prodrug with self-synergistic magnification of the anticancer effect

A hydroxycamptothecin prodrug is developed, which can self-report the drug distribution and achieve self-synergistic anticancer efficacy through oxidation therapy.

Graphical abstract: A fluorescence and photoactivity dual-activatable prodrug with self-synergistic magnification of the anticancer effect
Research Article

Exploring the microscopic mechanism of pseudocapacitance with electronic structures in monolayer 1T-MoS2 electrodes for supercapacitors

The microscopic mechanism of pseudocapacitance with electronic structures in monolayer 1T-MoS2 and the pseudocapacitance manipulation by defects have been elucidated.

Graphical abstract: Exploring the microscopic mechanism of pseudocapacitance with electronic structures in monolayer 1T-MoS2 electrodes for supercapacitors
Research Article

AliBu3: unprecedented main-group metal catalyst for helical sense-selective polymerization of chiral aryl isocyanides and copolymerization with achiral aryl isocyanides

The cationic aluminum species generated from AliBu3 and the activator [Ph3C][B(C6F5)4] serves as the first example of a main group organometallic catalyst for the coordination-insertion (co)polymerization of aryl isocyanides.

Graphical abstract: AliBu3: unprecedented main-group metal catalyst for helical sense-selective polymerization of chiral aryl isocyanides and copolymerization with achiral aryl isocyanides
Research Article

Heavy atom-free semiconducting polymer with high singlet oxygen quantum yield for prostate cancer synergistic phototherapy

Heavy atom free NDNT have a great potential for prostate cancer therapy both in vitro and in vivo.

Graphical abstract: Heavy atom-free semiconducting polymer with high singlet oxygen quantum yield for prostate cancer synergistic phototherapy
Research Article

A series of red iridium(III) complexes using flexible dithiocarbamate derivatives as ancillary ligands for highly efficient phosphorescent OLEDs

Five red iridium(III) complexes with dithiocarbamate ligands were investigated, and their OLEDs exhibit an EQEmax of 20.69% with low efficiency roll-off.

Graphical abstract: A series of red iridium(iii) complexes using flexible dithiocarbamate derivatives as ancillary ligands for highly efficient phosphorescent OLEDs
Research Article

Antibacterial supramolecular polymers constructed via self-sorting: promoting antibacterial performance and controllable degradation

An antibacterial supramolecular polymer is developed that exhibits enhanced antibacterial efficacy and controlled degradability.

Graphical abstract: Antibacterial supramolecular polymers constructed via self-sorting: promoting antibacterial performance and controllable degradation
Research Article

Electrodepositing Pd on NiFe layered double hydroxide for improved water electrolysis

Ultrafine Pd nanoparticles with less than 0.12 at% are electrodeposited on nickel foam supported NiFe LDH to obtain improved intrinsic activity, more active sites, and enhanced charge transfer for improved bifunctionality towards overall water splitting.

Graphical abstract: Electrodepositing Pd on NiFe layered double hydroxide for improved water electrolysis
Research Article

Boosting the performance of sky-blue fluorescent OLEDs based on DPA-containing electron-transporting materials with a “V-shaped layout of triplet energy levels”

High-performance blue OLEDs were obtained based on ETMs with a “V-shaped layout of ETs” strategy.

Graphical abstract: Boosting the performance of sky-blue fluorescent OLEDs based on DPA-containing electron-transporting materials with a “V-shaped layout of triplet energy levels”
Research Article

In situ construction of graphdiyne/CuS heterostructures for efficient hydrogen evolution reaction

GDY/CuS heterostructure electrocatalyst for efficient hydrogen evolution reaction.

Graphical abstract: In situ construction of graphdiyne/CuS heterostructures for efficient hydrogen evolution reaction
Open Access Research Article

Hypersonic poration of supported lipid bilayers

Hypersound (ultrasound of gigahertz (GHz) frequency) has been recently introduced as a new type of membrane-disruption method for cells, vesicles and supported lipid bilayers (SLBs), with the potential to improve the efficiency of drug and gene delivery for biomedical applications.

Graphical abstract: Hypersonic poration of supported lipid bilayers
Research Article

Biocompatible small organic molecule phototheranostics for NIR-II fluorescence/photoacoustic imaging and simultaneous photodynamic/photothermal combination therapy

Multifunctional phototheranostics were successfully constructed for NIR-II fluorescence/photoacoustic dual-modal imaging and simultaneous photodynamic/photothermal combination therapy.

Graphical abstract: Biocompatible small organic molecule phototheranostics for NIR-II fluorescence/photoacoustic imaging and simultaneous photodynamic/photothermal combination therapy
Research Article

The design of Janus black phosphorus quantum dots@metal–organic nanoparticles for simultaneously enhancing environmental stability and photodynamic therapy efficiency

We have fabricated Janus nanoparticles based on black phosphorus quantum dots and metal–organic particles for PDT enhancement.

Graphical abstract: The design of Janus black phosphorus quantum dots@metal–organic nanoparticles for simultaneously enhancing environmental stability and photodynamic therapy efficiency
Research Article

Highly-efficient semi-transparent organic solar cells utilising non-fullerene acceptors with optimised multilayer MoO3/Ag/MoO3 electrodes

We report the optimisation of a semi-transparent solar cell based on a blend of a recently reported high performance donor polymer (PFBDB-T) with a non-fullerene acceptor derivative (C8-ITIC).

Graphical abstract: Highly-efficient semi-transparent organic solar cells utilising non-fullerene acceptors with optimised multilayer MoO3/Ag/MoO3 electrodes
Research Article

Alkoxythiophene and alkylthiothiophene π-bridges enhance the performance of A–D–A electron acceptors

Alkoxythiophene and alkylthiothiophene π-bridges were introduced to A–D–A electron acceptors to improve photovoltaic performance.

Graphical abstract: Alkoxythiophene and alkylthiothiophene π-bridges enhance the performance of A–D–A electron acceptors
Research Article

Luminescent solar concentrators: boosted optical efficiency by polymer dielectric mirrors

High dielectric contrast polymer dielectric mirrors are used to recycle non-absorbed photons in organic luminescent solar concentrators. A 10% increase in the concentrator optical efficiency is found and retained upon doubling its size paving the way to lightweight and cheap building integrated photovoltaic systems.

Graphical abstract: Luminescent solar concentrators: boosted optical efficiency by polymer dielectric mirrors
Research Article

Development and reactive oxygen-species scavenging activity of a new chemical hydrogen-generating system, CaMg2-hydroxypropyl cellulose-citric acid, prepared using Laves-phase CaMg2 and its relationship to chemical hardness

Development of a hydrogen-generating system based on chemical hardness. Application to H2 generation and scavenging of reactive oxygen-species (ROS) by efficient water splitting using Laves phase CaMg2.

Graphical abstract: Development and reactive oxygen-species scavenging activity of a new chemical hydrogen-generating system, CaMg2-hydroxypropyl cellulose-citric acid, prepared using Laves-phase CaMg2 and its relationship to chemical hardness
Research Article

3D hollow reduced graphene oxide foam as a stable host for high-capacity lithium metal anodes

3D hollow reduced graphene oxide foam as host for prestring lithium for high capacity lithium metal anode.

Graphical abstract: 3D hollow reduced graphene oxide foam as a stable host for high-capacity lithium metal anodes
42 items

About this collection

Read our on-going collection of the hottest research published as advanced article from Materials Chemistry Frontiers in 2019. 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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