Themed collection 2020 Materials Chemistry Frontiers HOT articles

31 items
Research Article

Poly[N-(2-acetamidoethyl)acrylamide] supramolecular hydrogels with multiple H-bond crosslinking enable mouse brain embedding and expansion microscopy

Poly[N-(2-acetamidoethyl)acrylamide] supramolecular hydrogels with multiple H-bond crosslinking were synthesized and used for embedding the mouse brain slices and expansion microscopy with enhanced optical resolution and preserved structure integrity.

Graphical abstract: Poly[N-(2-acetamidoethyl)acrylamide] supramolecular hydrogels with multiple H-bond crosslinking enable mouse brain embedding and expansion microscopy
Research Article

Supramolecular nanoparticles constructed from pillar[5]arene-based host–guest complexation with enhanced aggregation-induced emission for imaging-guided drug delivery

Supramolecular nanoparticles with enhanced aggregation-induced emission are prepared by taking advantage of pillar[5]arene-based host–guest complexation, and are sophisticated nanocarriers for imaging-guided drug delivery.

Graphical abstract: Supramolecular nanoparticles constructed from pillar[5]arene-based host–guest complexation with enhanced aggregation-induced emission for imaging-guided drug delivery
Open Access Research Article

Mayenite-based electride C12A7e: an innovative synthetic method via plasma arc melting

The plasma arc melting of mixtures of oxygen-mayenite and solid-reductants (aluminum and graphite) enables the scalable synthesis of mayenite-based electrides with treatment times below one minute.

Graphical abstract: Mayenite-based electride C12A7e−: an innovative synthetic method via plasma arc melting
Research Article

Novel enantiomorphic Pb-coordination polymers dictated by the corresponding chiral ligands, [Pb((R,R)-TBA)(H2O)]·1.7H2O and [Pb((S,S)-TBA)(H2O)]·1.7H2O [TBA = 1,3,5-triazin-2(1H)-one-4,6-bis(alanyl)]

Two enantiomorphic Pb-coordination polymers dictated by the corresponding chiral ligands reveal high chemical stability and a selective uptake of Congo red dye through the hydrogen bonds.

Graphical abstract: Novel enantiomorphic Pb-coordination polymers dictated by the corresponding chiral ligands, [Pb((R,R)-TBA)(H2O)]·1.7H2O and [Pb((S,S)-TBA)(H2O)]·1.7H2O [TBA = 1,3,5-triazin-2(1H)-one-4,6-bis(alanyl)]
Open Access Research Article

Dual-template approach to hierarchically porous polymer membranes

A dual-template approach is used to embed multilevel porosity into poly(ethersulfone) membranes prepared by non-solvent induced phase separation, leading to a 95% increase in permeability.

Graphical abstract: Dual-template approach to hierarchically porous polymer membranes
Research Article

Bis-chalcone derivatives derived from natural products as near-UV/visible light sensitive photoinitiators for 3D/4D printing

Four series of novel bis-chalcone compounds with excellent performances have been synthesized and examined for the first time as photoinitiators in combination with an amine and an iodonium salt for the FRP of acrylates and the CP of EPOX.

Graphical abstract: Bis-chalcone derivatives derived from natural products as near-UV/visible light sensitive photoinitiators for 3D/4D printing
Research Article

A conversion-type electrochemical artificial synapse for plasticity modulation and dendritic application

A conversion-type electrochemical artificial synapse exhibits potential applications for memory enhancement and dendritic integration; ultra-high sensitivity (3 mV) and extremely low-power consumption (32 fW) could be achieved.

Graphical abstract: A conversion-type electrochemical artificial synapse for plasticity modulation and dendritic application
Research Article

Directional crystallization of C8-BTBT-C8 thin films in a temperature gradient

A directional crystallization of C8-BTBT-C8 in a temperature gradient reduces film roughness and improves in-plane alignment.

Graphical abstract: Directional crystallization of C8-BTBT-C8 thin films in a temperature gradient
Research Article

Pyrazoloanthrone-functionalized fluorescent copolymer for the detection and rapid analysis of nitroaromatics

Pyrazoloanthrone functionalized copolymer exhibit high selectivity and sensitivity towards TNP in aqueous medium in presence of other competitive explosive analytes.

Graphical abstract: Pyrazoloanthrone-functionalized fluorescent copolymer for the detection and rapid analysis of nitroaromatics
Research Article

Sendai virus acts as a nano-booster to excite dendritic cells for enhancing the efficacy of CD47-directed immune checkpoint inhibitors against breast carcinoma

Dendritic cells (DCs) are vital hubs for exciting systemic adaptive immune responses.

Graphical abstract: Sendai virus acts as a nano-booster to excite dendritic cells for enhancing the efficacy of CD47-directed immune checkpoint inhibitors against breast carcinoma
Open Access Research Article

Mitochondria-anchoring and AIE-active photosensitizer for self-monitored cholangiocarcinoma therapy

An AIE-active photosensitizer, TTVPHE, can fast penetrate into cancer cells and efficiently trigger mitochondria-dependent apoptotic pathway with self-monitoring ability.

Graphical abstract: Mitochondria-anchoring and AIE-active photosensitizer for self-monitored cholangiocarcinoma therapy
Research Article

Morphology, structure and cytotoxicity of dye-loaded lipid nanoparticles based on monoamine pillar[5]arenes

New synthesized pillar[5]arenes form solid lipid nanoparticles with fluorescent dyes that have a distinctive morphology and low toxicity to A549 cells.

Graphical abstract: Morphology, structure and cytotoxicity of dye-loaded lipid nanoparticles based on monoamine pillar[5]arenes
Research Article

Hollow multishelled structural NiO as a “shelter” for high-performance Li–S batteries

The physical and chemical confinement of polysulfides are realized with interlayers combining non-polar acetylene black and polar NiO HoMSs, resulting in a high sulfur utilization, high specific capacity and good cycling stability for Li–S batteries.

Graphical abstract: Hollow multishelled structural NiO as a “shelter” for high-performance Li–S batteries
From the themed collection: Hollow Structures for Energy Applications
Research Article

Recyclable CPL switch regulated by using an applied DC electric field from chiral nematic liquid crystals (N*-LCs)

Recyclable CPL response in N*-LCs could be observed by using the applied DC electric field with EPT effect through texture change. This kind of “on–off–on” system based on DC electric field can adjust gem value and direction of CPL in N*-LCs.

Graphical abstract: Recyclable CPL switch regulated by using an applied DC electric field from chiral nematic liquid crystals (N*-LCs)
Research Article

Engineering the crystal orientation of Na3V2(PO4)2F3@rGO microcuboids for advanced sodium-ion batteries

Na3V2(PO4)2F3@rGO can expose different crystal facets and exhibit excellent electrochemical performance via guiding the crystal growth orientation.

Graphical abstract: Engineering the crystal orientation of Na3V2(PO4)2F3@rGO microcuboids for advanced sodium-ion batteries
Research Article

Protein-assisted synthesis of nanoscale covalent organic frameworks for phototherapy of cancer

A protein-assisted synthesis method has been proposed for preparing stable covalent organic frameworks (COFs) with both photothermal and photodynamic activity under the excitation of a laser at a single wavelength.

Graphical abstract: Protein-assisted synthesis of nanoscale covalent organic frameworks for phototherapy of cancer
Research Article

Highly selective removal of heterocyclic impurities from toluene by nonporous adaptive crystals of perethylated pillar[6]arene

We use nonporous adaptive crystals of perethylated pillar[6]arene to adsorb heterocyclic compounds from a mixture of toluene and heterocyclic compounds with high selectivity, ultimately improving the purity of toluene from 96.78% to 99.00%.

Graphical abstract: Highly selective removal of heterocyclic impurities from toluene by nonporous adaptive crystals of perethylated pillar[6]arene
Research Article

Simple and universal synthesis of sulfonated porous organic polymers with high proton conductivity

By using a simple and universal process, we successfully synthesized various sulfonated porous organic polymers with high proton conductivity, and therefore this strategy could evolve structural designs for high proton-conductive materials.

Graphical abstract: Simple and universal synthesis of sulfonated porous organic polymers with high proton conductivity
Research Article

Structural evolution of BCN systems from graphene oxide towards electrocatalytically active atomic layers

Microstructure evolution of BCN systems from graphene oxide is studied using ReaxFF assisted molecular dynamics. The resultant theoretical structures are experimentally verified, and HER activity is studied for different microstructure variations.

Graphical abstract: Structural evolution of BCN systems from graphene oxide towards electrocatalytically active atomic layers
Research Article

Oxygen vacancy induced superior visible-light-driven photo-catalytic performance in the BiOCl homojunction

The black BiOCl homojunction with oxygen vacancies has a wide absorption range and results in effective separation of photo-generated electron–hole pairs, which contribute to its superior visible-light-driven photo-catalytic degradation and disinfection ability.

Graphical abstract: Oxygen vacancy induced superior visible-light-driven photo-catalytic performance in the BiOCl homojunction
Research Article

Rapid, ultrasensitive and highly specific biosensor for the diagnosis of SARS-CoV-2 in clinical blood samples

IgG–IgM immunochromatographic strip for rapid screening of SARS-CoV-2 infection including confirmed patients, suspect and asymptomatic carriers in 15 min.

Graphical abstract: Rapid, ultrasensitive and highly specific biosensor for the diagnosis of SARS-CoV-2 in clinical blood samples
Research Article

Mn dopant induced high-valence Ni3+ sites and oxygen vacancies for enhanced water oxidation

Mn is demostrated as a superior dopant for oxide nanosheets, showing significantly enhanced OER activity.

Graphical abstract: Mn dopant induced high-valence Ni3+ sites and oxygen vacancies for enhanced water oxidation
Research Article

Highly-selective synthesis of trimetallic PtRuCu nanoframes as robust catalysts for the methanol oxidation reaction

PtRuCu NFs/C exhibited much higher mass activity and specific activity than commercial Pt/C and PtRuCu NPs/C towards the MOR due to the frame nanostructures and the synergistic effect of the trimetallics.

Graphical abstract: Highly-selective synthesis of trimetallic PtRuCu nanoframes as robust catalysts for the methanol oxidation reaction
Research Article

Efficient red luminogen with aggregation-induced emission for in vivo three-photon brain vascular imaging

DCPE-TPA exhibits three morphologies with high quantum yields and nanoparticles of DCPE-TPA are utilized for in vivo 3PF imaging, achieving a penetration depth of 300 μm with a high resolution of 1.8 μm and a high signal-to-background ratio of 14.

Graphical abstract: Efficient red luminogen with aggregation-induced emission for in vivo three-photon brain vascular imaging
Research Article

Multicationic AIEgens for unimolecular photodynamic theranostics and two-photon fluorescence bioimaging

This work reports multicationic AIEgens for unimolecular photodynamic theranostics, and an investigation of the relationship between their structures and activities, including PDT performance, 2-photon bioimaging, and self-reporting characteristics.

Graphical abstract: Multicationic AIEgens for unimolecular photodynamic theranostics and two-photon fluorescence bioimaging
Research Article

Ligand exchange on noble metal nanocrystals assisted by coating and etching of cuprous oxide

We report an oxide-assisted coating-etching process to remove bio-incompatible capping ligands from the surface of noble metal nanocrystals.

Graphical abstract: Ligand exchange on noble metal nanocrystals assisted by coating and etching of cuprous oxide
Open Access Research Article

Intervaginal space injection of a liquid metal can prevent breast cancer invasion and better-sustain concomitant resistance

CW invasion by the primary tumor was inhibited by ISI of an LM. DCs were activated by the LM to sustain CR.

Graphical abstract: Intervaginal space injection of a liquid metal can prevent breast cancer invasion and better-sustain concomitant resistance
Research Article

Dual-doping of ruthenium and nickel into Co3O4 for improving the oxygen evolution activity

Ru and Ni co-doped Co3O4 with improved OER activity were synthesized by a one-step hydrothermal method. Ru doping increases the intrinsic activity, while Ni doping creates more oxygen vacancies and exposes more active sites.

Graphical abstract: Dual-doping of ruthenium and nickel into Co3O4 for improving the oxygen evolution activity
Research Article

Modulation of ligand conjugation for efficient FAPbBr3 based green light-emitting diodes

We put forward a new strategy for efficient PeLEDs by understanding the effect of ligand conjugation on device performance.

Graphical abstract: Modulation of ligand conjugation for efficient FAPbBr3 based green light-emitting diodes
Research Article

MOF derived high-density atomic platinum heterogeneous catalyst for C–H bond activation

A MOF-derived hollow nanobox with high-density under-coordinated atomic Pt sites exhibits excellent performance in direct C–H bond borylation.

Graphical abstract: MOF derived high-density atomic platinum heterogeneous catalyst for C–H bond activation
From the themed collection: Hollow Structures for Energy Applications
Research Article

In situ formed methyl-co-(bis-R) silsesquioxane based polymer networks with solvent controlled pore size distributions and high surface areas

Specific pore size distributions of synthesized methylsilsesquioxane-based network materials stem from a combination of the solvation of monomers and growing oligomers, as well as miscibility of water in tested solvents; enabling specific analyte uptake materials.

Graphical abstract: In situ formed methyl-co-(bis-R) silsesquioxane based polymer networks with solvent controlled pore size distributions and high surface areas
31 items

About this collection

Read our on-going collection of the hottest research published  as advanced article  from  Materials Chemistry Frontiers  in 2020. 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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