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Themed collection Materials Chemistry Frontiers HOT articles for 2018

60 items
Research Article

Aqueous immiscible layered double hydroxides – AIM-LDHs

Synthesis and characterisation of aqueous immiscible layered double hydroxides (AIM-LDHs).

Graphical abstract: Aqueous immiscible layered double hydroxides – AIM-LDHs
Research Article

An excellent cryogenic magnetic cooler: magnetic and magnetocaloric study of an inorganic frame material

We report the crystal structure, magnetic susceptibility and isothermal magnetization of inorganic frame material Gd(OH)SO4 (1). The maximum entropy changes for 1 at high field (7 T) and low fields (smaller than 3 T) were comparable to commercial gadolinium gallium garnet Gd3Ga5O12.

Graphical abstract: An excellent cryogenic magnetic cooler: magnetic and magnetocaloric study of an inorganic frame material
Research Article

Liquid crystal gelators with photo-responsive and AIE properties

trans-Cn-Chol present smectic A phase and photo-responsive SmA–isotropic phase transition, and their organogels exhibit aggregation-induced emission and photo-responsive gel–sol transition.

Graphical abstract: Liquid crystal gelators with photo-responsive and AIE properties
Open Access Research Article

Lightweight foams of amine-rich organosilica and cellulose nanofibrils by foaming and controlled condensation of aminosilane

Preparation of stable and lightweight hybrid foams from cellulose nanofibrils (TCNFs) and amine-rich organosilane (AS) by controlled sol–gel chemistry of the AS.

Graphical abstract: Lightweight foams of amine-rich organosilica and cellulose nanofibrils by foaming and controlled condensation of aminosilane
Research Article

Side-chain effect of perylene diimide tetramer-based non-fullerene acceptors for improving the performance of organic solar cells

PDIPQ-C5 and PDIPQ-C6 were synthesized to study side-chain effects of PDI tetramer-based non-fullerene acceptors. OSCs based on PDIPQ-C5:P3TEA blend films with 2.5% DIO exhibited the highest PCEs (5.16%).

Graphical abstract: Side-chain effect of perylene diimide tetramer-based non-fullerene acceptors for improving the performance of organic solar cells
Research Article

Total membrane lipid assay (MLA): simple and practical quantification of exosomes based on efficient membrane-specific dyes unaffected by proteins

MLA uses two fluorescent dyes for ratiometric determination of exosomes' membrane lipids.

Graphical abstract: Total membrane lipid assay (MLA): simple and practical quantification of exosomes based on efficient membrane-specific dyes unaffected by proteins
Research Article

Unexpected room-temperature phosphorescence from a non-aromatic, low molecular weight, pure organic molecule through the intermolecular hydrogen bond

The first example of a pure non-aromatic organic small molecule, cyanoacetic acid (CAA), with unexpected persistent RTP behavior is reported, which possesses the RTP lifetime as long as 862 ms.

Graphical abstract: Unexpected room-temperature phosphorescence from a non-aromatic, low molecular weight, pure organic molecule through the intermolecular hydrogen bond
Research Article

Hydrogen bonding directed co-assembly of polyoxometalates and polymers to core–shell nanoparticles

A general strategy has been developed to co-assemble polyoxometalates and polymers into core–shell hybrid nanoparticles via hydrogen bonding interaction.

Graphical abstract: Hydrogen bonding directed co-assembly of polyoxometalates and polymers to core–shell nanoparticles
Research Article

High-performance organic field-effect transistors based on organic single crystal microribbons fabricated by an in situ annealing method

High-performance field-effect transistors based on organic single crystal microribbons were fabricated by in situ annealing of organic films.

Graphical abstract: High-performance organic field-effect transistors based on organic single crystal microribbons fabricated by an in situ annealing method
Research Article

Enhancement of intra- and inter-molecular π-conjugated effects for a non-fullerene acceptor to achieve high-efficiency organic solar cells with an extended photoresponse range and optimized morphology

The extended π-conjugation of DF-PCNC leads to higher PCE and JSC for the resultant OSCs.

Graphical abstract: Enhancement of intra- and inter-molecular π-conjugated effects for a non-fullerene acceptor to achieve high-efficiency organic solar cells with an extended photoresponse range and optimized morphology
Research Article

Ultrafine molybdenum phosphide nanocrystals on a highly porous N,P-codoped carbon matrix as an efficient catalyst for the hydrogen evolution reaction

Ultrafine MoP nanocrystals on N,P-codoped carbon matrix are fabricated by a one-step carbothermal-phosphorization strategy, exhibiting high electrocatalytic activity.

Graphical abstract: Ultrafine molybdenum phosphide nanocrystals on a highly porous N,P-codoped carbon matrix as an efficient catalyst for the hydrogen evolution reaction
Research Article

Improved efficiency in fullerene and non-fullerene polymer solar cells having an interdigitated interface with the electron transport layer

An interdigitated interface between the electron transport layer and the photoactive layer has been created and found to increase the efficiency of both fullerene and non-fullerene based solar cells.

Graphical abstract: Improved efficiency in fullerene and non-fullerene polymer solar cells having an interdigitated interface with the electron transport layer
Research Article

A novel hierarchical precursor of densely integrated hydroxide nanoflakes on oxide microspheres toward high-performance layered Ni-rich cathode for lithium ion batteries

LiNi0.8Co0.1Mn0.1O2 cathode derived from a novel Ni0.8Co0.1Mn0.1Ox@Ni0.8Co0.1Mn0.1(OH)2 hierarchical precursor exhibits improved tap density and initial coulombic efficiency, as well as excellent cycling stability and superior rate capability.

Graphical abstract: A novel hierarchical precursor of densely integrated hydroxide nanoflakes on oxide microspheres toward high-performance layered Ni-rich cathode for lithium ion batteries
Research Article

A novel lithium-ion hybrid capacitor based on an aerogel-like MXene wrapped Fe2O3 nanosphere anode and a 3D nitrogen sulphur dual-doped porous carbon cathode

A novel lithium-ion hybrid capacitor was assembled based on an aerogel-like Ti3C2Tx@Fe2O3 anode and a 3-D dual-doped porous carbon cathode.

Graphical abstract: A novel lithium-ion hybrid capacitor based on an aerogel-like MXene wrapped Fe2O3 nanosphere anode and a 3D nitrogen sulphur dual-doped porous carbon cathode
Research Article

Molecular-level anchoring of polymer cathodes on carbon nanotubes towards rapid-rate and long-cycle sodium-ion storage

A non-covalent functionalized radical polymer anchored on CNTs through π–π interactions with remarkable sodium-ion battery performance as a novel cathode.

Graphical abstract: Molecular-level anchoring of polymer cathodes on carbon nanotubes towards rapid-rate and long-cycle sodium-ion storage
Research Article

Non-noble-metal bismuth nanoparticle-decorated bismuth vanadate nanoarray photoanode for efficient water splitting

Sunlight-driven photoelectrochemical (PEC) water splitting using earth-abundant semiconductor-based materials offers one promising strategy to produce attainable and sustainable carbon free energy.

Graphical abstract: Non-noble-metal bismuth nanoparticle-decorated bismuth vanadate nanoarray photoanode for efficient water splitting
Research Article

Turn-on fluorescent probe with aggregation-induced emission characteristics for polyazoles

The detection of polyazoles is important for both the environmental protection and homeland security.

Graphical abstract: Turn-on fluorescent probe with aggregation-induced emission characteristics for polyazoles
Research Article

Well-aligned metal–organic framework array-derived CoS2 nanosheets toward robust electrochemical water splitting

Highly open three-dimensional (3D) hierarchical architectures composed of two-dimensional (2D) CoS2 nanosheets grown on carbon cloth (CoS2 NS/CC) have been synthesized by vulcanizing well-aligned MOF-array precursors and further used as superior bifunctional electrocatalysts toward the hydrogen evolution reaction (HER), the oxygen evolution reaction (OER), and overall water splitting under alkaline media.

Graphical abstract: Well-aligned metal–organic framework array-derived CoS2 nanosheets toward robust electrochemical water splitting
Research Article

Sharp-featured Au@Ag core/shell nanocuboid synthesis and the label-free ultrasensitive SERS detection of protein single-point mutations

Sharp-featured Au@Ag core/shell nanocuboids were synthesized.

Graphical abstract: Sharp-featured Au@Ag core/shell nanocuboid synthesis and the label-free ultrasensitive SERS detection of protein single-point mutations
Research Article

A heptacyclic carbon–oxygen-bridged ladder-type building block for A–D–A acceptors

A–D–A acceptors based on a heptacyclic carbon–oxygen-bridged ladder-type unit, COi7, can give a high fill factor in organic solar cells.

Graphical abstract: A heptacyclic carbon–oxygen-bridged ladder-type building block for A–D–A acceptors
Research Article

A novel bifunctional A–D–A type small molecule for efficient organic solar cells

A novel A–D–A type small molecule named DTFBR was designed and synthesized. DTFBR exhibited bifunctional properties when combined with different photovoltaic materials.

Graphical abstract: A novel bifunctional A–D–A type small molecule for efficient organic solar cells
Research Article

CO2-switchable response of protein microtubules: behaviour and mechanism

In this study, a new mechanism on CO2-responsiveness of protein microtubules constructed by dual non-covalent interactions has been demonstrated.

Graphical abstract: CO2-switchable response of protein microtubules: behaviour and mechanism
From the themed collection: Stimuli-responsive materials
Research Article

Thermo-responsive phase-transition polymer grafted magnetic FePt nanoparticles with tunable critical temperature for controlled drug release

A tunable temperature stimuli-responsive drug release system based on phase transition polymer grafted magnetic FePt nanoparticles has been realized.

Graphical abstract: Thermo-responsive phase-transition polymer grafted magnetic FePt nanoparticles with tunable critical temperature for controlled drug release
Research Article

Understanding the side-chain effects on A–D–A acceptors: in-plane and out-of-plane

The in-plane and out-of-plane alkyl chains significantly affect the acceptors’ solubility and photovoltaic performance. NNFA[6, 6] and NNFA[12, 3] with medium solubility present suitable miscibility with the donor material, affording more favorable morphology and higher performance than other NNFAs.

Graphical abstract: Understanding the side-chain effects on A–D–A acceptors: in-plane and out-of-plane
Research Article

AIE-based super-resolution imaging probes for β-amyloid plaques in mouse brains

AIE-based super-resolution probes are introduced for the super-resolution imaging of fibrillar amyloids with 30 nm resolution.

Graphical abstract: AIE-based super-resolution imaging probes for β-amyloid plaques in mouse brains
Research Article

Folate-conjugated and pH-triggered doxorubicin and paclitaxel co-delivery micellar system for targeted anticancer drug delivery

A folate-conjugated and pH-sensitive micellar system co-encapsulating doxorubicin and paclitaxel was developed for targeted and combination chemotherapy.

Graphical abstract: Folate-conjugated and pH-triggered doxorubicin and paclitaxel co-delivery micellar system for targeted anticancer drug delivery
Research Article

The unusual aggregation-induced emission of coplanar organoboron isomers and their lipid droplet-specific applications

Organoboron isomers are not only rare coplanar AIEgens stemmed from excited-state double-bond reorganization, but also specifically target lipid droplets.

Graphical abstract: The unusual aggregation-induced emission of coplanar organoboron isomers and their lipid droplet-specific applications
Research Article

Porous metal–organic frameworks based on 3,6-bis(4-benzoic acid)-N-(4-benzoic acid)carbazole for HPLC separation of small organic molecules

A stable porous MOF with a controllable particle size can be used as an HPLC situational phase for small organic molecule separations.

Graphical abstract: Porous metal–organic frameworks based on 3,6-bis(4-benzoic acid)-N-(4-benzoic acid)carbazole for HPLC separation of small organic molecules
Research Article

Pillararene-based host–guest recognition facilitated magnetic separation and enrichment of cell membrane proteins

A magnetic solid phase extraction strategy for the separation and enrichment of cell membrane proteins with convenience and reliability was constructed by means of pillararene-based host–guest recognition.

Graphical abstract: Pillararene-based host–guest recognition facilitated magnetic separation and enrichment of cell membrane proteins
From the themed collection: Stimuli-responsive materials
Research Article

Mo-Triggered amorphous Ni3S2 nanosheets as efficient and durable electrocatalysts for water splitting

A Mo-triggered amorphous Ni3S2 electrocatalyst greatly enhances adsorption of HER targeted intermediates without sacrificing its excellent OER activity for water splitting.

Graphical abstract: Mo-Triggered amorphous Ni3S2 nanosheets as efficient and durable electrocatalysts for water splitting
Research Article

Directionally assembled MoS2 with significantly expanded interlayer spacing: a superior anode material for high-rate lithium-ion batteries

Interlayer-expanded MoS2 nanosheets directionally assembled on multi-walled carbon nanotubes represent a new class of anode materials for lithium ion batteries with superior high rate capacity.

Graphical abstract: Directionally assembled MoS2 with significantly expanded interlayer spacing: a superior anode material for high-rate lithium-ion batteries
Research Article

High performance low dielectric polysiloxanes with high thermostability and low water uptake

Two novel low dielectric polysiloxanes with high thermostability and low water uptake were developed.

Graphical abstract: High performance low dielectric polysiloxanes with high thermostability and low water uptake
Research Article

The 4-pyridonyl group as a multifunctional electron donor in 1,8-naphthalimide-based photoluminescent and mechanically interlocked coordination compounds

The 4-pyridonyl group is explored as a substituent for 1,8-naphthalimides, revealing interesting structural chemistry and photoluminescence behaviour in crystalline materials.

Graphical abstract: The 4-pyridonyl group as a multifunctional electron donor in 1,8-naphthalimide-based photoluminescent and mechanically interlocked coordination compounds
Research Article

Designed synthesis of organosilica nanoparticles for enzymatic biodiesel production

Benzene-bridged dendritic mesoporous organosilica nanoparticles significantly improve the catalytic activity and stability of lipase.

Graphical abstract: Designed synthesis of organosilica nanoparticles for enzymatic biodiesel production
Research Article

Digestive ripening in the formation of monodisperse silver nanospheres

Hydrophilic monodisperse silver nanospheres were synthesized by digestive ripening with decoupled etching and surface stabilization using two independent chemical agents.

Graphical abstract: Digestive ripening in the formation of monodisperse silver nanospheres
Research Article

Exploration of the two-step crystallization of organic micro/nano crystalline materials by fluorescence spectroscopy

A phase transition from amorphous nanospheres to crystalline nanorods was achieved and monitored in situ and in real-time by fluorescence spectroscopy.

Graphical abstract: Exploration of the two-step crystallization of organic micro/nano crystalline materials by fluorescence spectroscopy
Research Article

A single palladium site catalyst as a bridge for converting homogeneous to heterogeneous in dimerization of terminal aryl acetylenes

Herein, we utilize the surface dangling bond of MOFs as anchoring sites to access single Pd sites embedded on a hollow MOF nanobox.

Graphical abstract: A single palladium site catalyst as a bridge for converting homogeneous to heterogeneous in dimerization of terminal aryl acetylenes
Research Article

Janus quantum dot vesicles generated through membrane fusion

Janus vesicles containing different fluorescent quantum dots in two hemispheres are prepared through a membrane fusion method.

Graphical abstract: Janus quantum dot vesicles generated through membrane fusion
From the themed collection: Stimuli-responsive materials
Research Article

Facile one-pot synthesis of MOF supported gold pseudo-single-atom catalysts for hydrogenation reactions

Pseudo single atom Au/MOF catalysts are synthesized using a facile wet-chemistry approach on a large scale and show excellent performance in p-nitrophenol hydrogenation.

Graphical abstract: Facile one-pot synthesis of MOF supported gold pseudo-single-atom catalysts for hydrogenation reactions
Research Article

6,6′-Diaryl-substituted biazulene diimides for solution-processable high-performance n-type organic semiconductors

High electron mobility derived from dense molecular packing induced by the dipolar moment of azulene units.

Graphical abstract: 6,6′-Diaryl-substituted biazulene diimides for solution-processable high-performance n-type organic semiconductors
Research Article

The lower rather than higher density charge carrier determines the NH3-sensing nature and sensitivity of ambipolar organic semiconductors

NH3 sensing behavior from ambiplolar bisphthalocyanines manifests the lower density carrier (hole vs. electron) with faster charge transporting speed in semiconducting layer in determining the sensing response nature.

Graphical abstract: The lower rather than higher density charge carrier determines the NH3-sensing nature and sensitivity of ambipolar organic semiconductors
Research Article

A general strategy to simulate osmotic energy conversion in multi-pore nanofluidic systems

To get precise simulation for ion transport in porous nanofluidic systems, the influence of neighbouring nanopores should be seriously considered.

Graphical abstract: A general strategy to simulate osmotic energy conversion in multi-pore nanofluidic systems
Research Article

Synthesis and properties of spiro-type heterasumanenes containing group 14 elements as bridging atoms

Spiro-type heterasumanenes composed of two triphenylenodithiophene units and group 14 bridging atoms were synthesized by stepwise lithiations of hexaalkoxytriphenylene derivatives and treatment with heteroatom reagents.

Graphical abstract: Synthesis and properties of spiro-type heterasumanenes containing group 14 elements as bridging atoms
Research Article

pH-Responsive aggregation-induced emission of Au nanoclusters and crystallization of the Au(I)–thiolate shell

The Au(I)–thiolate complexes inserted their chains into the shell of Au nanoclusters, forming a crystalline shell with enhanced emission.

Graphical abstract: pH-Responsive aggregation-induced emission of Au nanoclusters and crystallization of the Au(i)–thiolate shell
Research Article

Solid-state fluorescent materials based on coumarin derivatives: polymorphism, stimuli-responsive emission, self-assembly and optical waveguides

Coumarin-based fluorophores were studied to serve as multifunctionalized solid-state fluorescent materials.

Graphical abstract: Solid-state fluorescent materials based on coumarin derivatives: polymorphism, stimuli-responsive emission, self-assembly and optical waveguides
Research Article

Integration of aligned polymer nanofibers within a microfluidic chip for efficient capture and rapid release of circulating tumor cells

Zwitterion-functionalized aligned nanofibers integrated with a microfluidic chip can be used for highly efficient capture and rapid release of CTCs.

Graphical abstract: Integration of aligned polymer nanofibers within a microfluidic chip for efficient capture and rapid release of circulating tumor cells
Research Article

Electron-transporting foldable alternating copolymers of perylenediimide and flexible macromolecular chains

Folding behaviours in solution, solid-state structure, and electron mobility are clarified for newly-synthesized alternating copolymers of perylenediimide and flexible chains.

Graphical abstract: Electron-transporting foldable alternating copolymers of perylenediimide and flexible macromolecular chains
Research Article

A fast route to obtain modified tin oxide aerogels using hydroxostannate precursors

Routes to obtain pure and modified tin oxide aerogels for different applications starting with hexahydroxostannate via tin oxide sols.

Graphical abstract: A fast route to obtain modified tin oxide aerogels using hydroxostannate precursors
Research Article

High-efficiency ultrapure green organic light-emitting diodes

Efficient ultrapure green OLEDs were demonstrated by using a platinum complex (PtN7N) and a top emitting structure.

Graphical abstract: High-efficiency ultrapure green organic light-emitting diodes
Research Article

A carbon–oxygen-bridged hexacyclic ladder-type building block for low-bandgap nonfullerene acceptors

A ladder-type unit (COi6) and three related acceptors were developed. FTAZ:COi6FIC solar cells gave a power conversion efficiency of 9.12%.

Graphical abstract: A carbon–oxygen-bridged hexacyclic ladder-type building block for low-bandgap nonfullerene acceptors
Research Article

Kirigami nanofluidics

Kirigami nanofluidics is demonstrated here, where ionic transport through 2D laminar films can be manipulated by tailor-cutting the film shape.

Graphical abstract: Kirigami nanofluidics
Research Article

Calcium ion-assisted lipid tubule formation

Calcium ions at mM concentrations promote the self-assembly of SOPC lipids into inter-connected hollow lipid tubes.

Graphical abstract: Calcium ion-assisted lipid tubule formation
Research Article

Cost-effective synthesis and solution processing of porous polymer networks through methanesulfonic acid-mediated aldol triple condensation

A highly efficient aldol triple condensation method was developed for scalable synthesis and solution processing of conjugated porous polymer networks.

Graphical abstract: Cost-effective synthesis and solution processing of porous polymer networks through methanesulfonic acid-mediated aldol triple condensation
Research Article

Electrochemically tuned cobalt hydroxide carbonate with abundant grain boundaries for highly efficient electro-oxidation of hydrazine

Electrochemical tuning generated grain boundaries in Co(OH)x(CO3)0.5(2−x) offer numerous unparalleled active sites for highly efficient electro-oxidation of hydrazine.

Graphical abstract: Electrochemically tuned cobalt hydroxide carbonate with abundant grain boundaries for highly efficient electro-oxidation of hydrazine
Research Article

Use of silylmethoxy groups as inducers of efficient room temperature phosphorescence from precious-metal-free organic luminophores

Crystals of and PMMA films doped with 2,5-bis(silylmethoxy)-1,4-diaroylbenzenes exhibit efficient green phosphorescence at room temperature.

Graphical abstract: Use of silylmethoxy groups as inducers of efficient room temperature phosphorescence from precious-metal-free organic luminophores
Research Article

Imidazole and triazole head group-containing polydiacetylenes for colorimetric monitoring of pH and detecting HCl gas

The family of conjugated polymers known as polydiacetylenes (PDAs) has been extensively utilized in designing stimuli-responsive colorimetric and fluorometric sensors.

Graphical abstract: Imidazole and triazole head group-containing polydiacetylenes for colorimetric monitoring of pH and detecting HCl gas
Research Article

New application of AIEgens realized in photodetectors: reduced work function of transparent electrodes and much improved performance

Highly sensitive organic photodetectors were achieved by the work function reduction of transparent electrodes with AIE molecules.

Graphical abstract: New application of AIEgens realized in photodetectors: reduced work function of transparent electrodes and much improved performance
Research Article

Fluorescence visualization of crystal formation and transformation processes of organic luminogens with crystallization-induced emission characteristics

A real-time, on-site, nondestructive, fluorescence imaging technique has been reported to monitor the crystal formation and transformation processes of organic luminogens.

Graphical abstract: Fluorescence visualization of crystal formation and transformation processes of organic luminogens with crystallization-induced emission characteristics
Research Article

Selective sorting of metallic/semiconducting single-walled carbon nanotube arrays by ‘igniter-assisted gas-phase etching’

Small molecules are used as “igniters” for the selective sorting of metallic/semiconducting single-walled carbon nanotubes by a gas phasing etching process.

Graphical abstract: Selective sorting of metallic/semiconducting single-walled carbon nanotube arrays by ‘igniter-assisted gas-phase etching’
Research Article

Non-covalent molecular tweezer/guest complexation with Pt(II)⋯Pt(II) metal–metal interactions: toward intelligent photocatalytic materials

A novel supramolecular tweezering system has been developed for “on-demand” photocatalysis.

Graphical abstract: Non-covalent molecular tweezer/guest complexation with Pt(ii)⋯Pt(ii) metal–metal interactions: toward intelligent photocatalytic materials
60 items

About this collection

Read some of the best research published from Materials Chemistry Frontiers in 2018. These articles are recommended by reviewers as being of significant novelty and interest.

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