Emerging black phosphorus analogue nanomaterials for high-performance device applications
Black phosphorus analogues with excellent performance and high chemical stability hold great promise for practical applications.
Emerging interface materials for electronics thermal management: experiments, modeling, and new opportunities
State-of-the-art experiments and modeling, challenges, and future opportunities for developing high-performance interface materials for electronics thermal management.
Molecular conducting magnetic heterostructures
Doped quasi-two-dimensional aniline heterostructures have been achieved through interfacial assembly with impressive conductive and magnetic properties.
Dual-source vacuum deposition of pure and mixed halide 2D perovskites: thin film characterization and processing guidelines
Vacuum deposited 2D perovskites show high crystallinity at low temperatures. Mixed halide and wide bandgap compounds, however, can be challenging to obtain.
Enhanced piezoelectric property in quenched BiFeO3-based piezoceramics: role of defects and mesophase
Enhanced piezoelectricity by quenching results from the synergistic effects of increased resistivity and interfacial polarization caused by a mesophase.
A family of all sp2-bonded carbon allotropes of topological semimetals with strain-robust nodal-lines
A family of all sp2-bonded, superelastic carbon allotropes of topological semimetals are predicted, exhibiting unusual strain-robust nodal-lines.
Azobenzene-containing liquid crystalline block copolymer supramolecular complexes as a platform for photopatternable colorless materials
Using liquid crystalline triblock copolymer complexes with hydrogen-bonded azobenzene moieties, photopatterned colorless birefringent films were prepared by irradiation with linearly polarized light and subsequent extracting azobenzene moieties.
High-efficiency near-UV light-emitting diodes on Si substrates with InGaN/GaN/AlGaN/GaN multiple quantum wells
High quantum efficiency LEDs with InGaN/GaN/AlGaN/GaN MQWs have been demonstrated. The proposed GaN interlayer barrier can not only increase the concentration and the spatial overlap of carriers, but also improve the quality of the MQWs.
Charge transport through a water-assisted hydrogen bond in single-molecule glutathione disulfide junctions
This work demonstrates that single-molecule conductance measurements can identify reduced and oxidized glutathiones and thus have potential application in clinical diagnosis.
Luminescence enhancement of CsPbBr3 quantum dot glasses induced by two unexpected methods: mechanical and hydration crystallization
Theoretically, the realization of phase transformation in glass requires enough energy to overcome a certain barrier.
High stress-driven voltages in net-like layer-supported organic–inorganic perovskites
Huge mechano-electrical performance obtained from net-like PVDF composites infiltrated with methylammonium lead iodide under vertical ultrasonic vibration, without additional poling.
The structure optimization of phenanthroimidazole based isomers with external quantum efficiency approaching 7% in non-doped deep-blue OLEDs
In this work, four phenanthroimidazole (PI) based isomers TPA-PPI-PBI, TPA-PPI-NPBI, PBI-PPI-TPA and NPBI-PPI-TPA for high-efficiency deep-blue organic light-emitting diodes (OLEDs) have been designed and synthesized.
Low-temperature crystallization and paraelectric–ferroelectric phase transformation in nanoscale ZrO2 thin films induced by atomic layer plasma treatment
Crystallization and ferroelectricity with high endurance are achieved in ZrO2 thin films at low temperature using an atomic layer plasma treatment technique.
A self-calibrating phosphorescent polymeric probe for measuring pH fluctuations in subcellular organelles and the zebrafish digestive tract
A ratiometric phosphorescent probe, P-pH, was developed to determine the pH in vitro and in vivo via ratiometric photoluminescence imaging and photoluminescence lifetime imaging.
Highly efficient blue thermally activated delayed fluorescence organic light emitting diodes based on tercarbazole donor and boron acceptor dyads
Two new blue TADF emitters, 3CzTB and M3CzB, for application in highly efficient organic light-emitting diodes are reported.
Temperature Stable Li2Ti0.75(Mg1/3Nb2/3)0.25O3-Based Microwave Dielectric Ceramics with Low Sintering Temperature and Ultra-low Dielectric Loss for Dielectric Resonator Antenna Applications
Photomechanical molecular crystals and nanowire assemblies based on the [2+2] photodimerization of a phenylbutadiene derivative
Crystalline (E)-4-fluoro-cinnamaldehyde malononitrile undergoes a [2+2] photocycloaddition, leading to a robust photomechanical response and improved force generation by nanowire ceramic composites.
Modulation of π-linkers in asymmetric thermally activated delayed fluorescence molecules enabling high performance OLEDs
Modulating aromatic π-linkers in asymmetric thermally activated delayed fluorescence emitters enables high performance OLEDs.
Negative and near-zero Poisson's ratios in 2D graphene/MoS2 and graphene/h-BN heterostructures
Smart and efficient opto-electronic dual response material based on two-dimensional perovskite crystal/thin film
Our opto-electronic dual response material, possessing rapid response and high fatigue resistance, could be widely applied to smart electronic devices.
Fabricating flexible wafer-size inorganic semiconductor devices
In this work, we proposed a scheme to obtain flexible wafer-size inorganic semiconductor devices and discussed their mechanism of this super flexibility.
Flexible TPU Strain Sensors with Tunable Sensitivity and Stretchability via Coupling AgNWs with rGO
Catalyst + Chemodosimeter → Chemosensor: Incorporation of a catalytic functionality in an indicator displacement assay to realize reversible chemosensing detection
The high thermoelectric performance of slightly Sb doped PbTe alloys
The peak zT value of 1.1 has achieved for Pb0.995Sb0.005Te alloy at 723 K, which is comparable with the Sb doped PbTe alloys with higher doping concentration.
High efficiency and low efficiency roll-off all fluorescent white organic light-emitting diodes based on phosphor sensitization
All fluorescent white organic light-emitting diodes (WOLEDs) have aroused significant interest owing to the advantages of excellent operational stability, low efficiency roll-off and low cost.
Electrically conductive aluminum ion-reinforced MXene films for efficient electromagnetic interference shielding
An ion cross-linking strategy is reported to fabricate MXene films with remarkable electromagnetic interference shielding performance and excellent mechanical strength.
Liquid metal-supported synthesis of cupric oxide
Facile synthesis of a copper oxide–liquid metal composite.
Formamidine-assisted fast crystallization to fabricate formamidinium-based perovskite films for high-efficiency and stable solar cells
A FA-assisted fast crystallization (FAAFC) method involving adding FA into an antisolvent to achieve homogeneous nucleation and a high-quality crystalline film.
Extrinsic vs. intrinsic luminescence and their interplay with spin crossover in 3D Hofmann-type coordination polymers
Two series of coordination polymers have been synthesized to exhibit extrinsic or intrinsic luminescence modulated by spin crossover behavior. This study provides further insight into the features governing the synergy between both properties.
CoBr2-doping-induced efficiency improvement of CsPbBr3 planar perovskite solar cells
Although perovskite solar cells have achieved the highest 25.2% efficiency, they suffer from poor stability because the organic–inorganic hybrid perovskites are easily decomposed under the attacks of oxygen, moisture, heat and ultraviolet light.
Nacre-based carbon nanomeshes for a soft ionic actuator with large and rapid deformation
Hierarchically porous carbon nanomeshes from nacre for fast ion penetration of soft ionic actuator with large and rapid deformation.
Rational design of efficient orange-red to red thermally activated delayed fluorescence emitters for OLEDs with external quantum efficiency of up to 26.0% and reduced efficiency roll-off
A class of novel donor–acceptor orange-red to red thermally activated delayed fluorescence (TADF) emitters with a maximum external quantum efficiency (EQE) of up to 26.0% and extremely low efficiency roll-off have been designed and synthesized.
Magnetron-sputtering deposited molybdenum carbide MXene thin films as a saturable absorber for passively Q-switched lasers
We experimentally demonstrated the passively Q-switched Nd:YAG laser based on the Mo2C film as a saturable absorber.
Ultra-broadband cyan-to-orange emitting Ba1+xSr1−xGa4O8:Bi3+ phosphors: luminescence control and optical temperature sensing
Controllable cyan-to-orange tuning and optical thermometry in Ba1+xSr1−xGa4O8:Bi3+ phosphors with ultra-broadband emission were realized based on crystal filed control at multiple emission centers.
Photon Upconversion Afterglow material toward Visual Information Coding/Decoding
Tunneling-induced negative permittivity in Ni/MnO nanocomposites by a bio-gel derived strategy
Tunneling-induced negative permittivity is attributed to the low frequency plasmonic state in tunneling networks, where nickel nanoparticles are still isolated geometrically but connected electrically.
Vertically conductive MoS2 pyramids with a high density of active edge sites for efficient hydrogen evolution
Due to the thickness-independent vertical conductivity and high density of active edge sites, MoS2 pyramids demonstrate a highly enhanced HER performance compared to that of MoS2 triangular flakes.
A dual-functional intelligent logic detector based on new Ln-MOFs: first visual logical probe for the two-dimensional monitoring of pyrethroid biomarkers
Nowadays, artificial intelligence (AI) is flourishing in various fields, but the application of complex intelligent logic systems to the two-dimensional monitoring of biomarkers is quite rare.
Controllable fabrication of α-Ni(OH)2 thin films with preheating treatment for long-term stable electrochromic and energy storage applications
Long-term stable, fast switching α-Ni(OH)2 electrodes for electrochromic energy storage application has been fabricated by one-step preheating treatment. The cost-effective fabrication is expected to expand to other metal hydroxide materials.
Color manipulation of Bi3+-activated CaZnOS under stress with ultra-high efficiency and low threshold for anticounterfeiting applications
We report blue to green emission mechanoluminescence (ML) in CaZnOS:Bi3+,Li+ with about 50 times greater ML intensity than that of the strong ML material ZnS:Cu+.
Synergistically optimizing electrocaloric effect and temperature span in KNN-based ceramics utilizing relaxor multiphase boundary
Bright tricolor ultrabroad-band emission carbon dots for white light-emitting diodes with a 96.5 high color rendering index
Synthesis of tricolor ultrabroad-band emissive CDs and luminescence films for WLEDs with high CRI and adjustable CCT.
Gate-tunable all-inorganic QLED with enhanced charge injection balance
A novel gate-tunable all-inorganic QLED is proposed, which exhibits outstanding performance along with excellent stability.
A self-powered solar-blind photodetector with large Voc enhancing performance based on the PEDOT:PSS/Ga2O3 organic–inorganic hybrid heterojunction
A self-powered solar-blind photodetector with large Voc enhancing performance is constructed on the PEDOT:PSS/Ga2O3 hybrid heterojunction.
Designing Dirac semimetals with a honeycomb Na3Bi-lattice via isovalent cation substitution
By using an iso-symmetry isovalent cation substitution method for designing ternary Dirac semimetals within a honeycomb structure, three stable Dirac semimetals are predicted with interesting hidden spin textures.
A paper-based device of a specially designed soft layered polymer composite for measurement of weak friction force
A paper-based device of a specially designed soft layered composite consisting of polydiacetylene enables measurement of friction force with a gradual color change from blue to red in response to the strength and number of the applied friction force.
High-sensitivity X-ray detectors based on solution-grown caesium lead bromide single crystals
High-sensitivity X-ray detectors made of solution grown CsPbBr3 single crystals with high crystalline quality was reported in this work. The device with asymmetric electrodes configuration shows high sensitivity of 1256 μC Gy−1 cm−2.
Piezo-phototronic effect enhanced photodetectors based on MAPbI3 perovskite
A novel piezo-phototronic effect enhanced photodetector based on MAPbI3 polycrystalline perovskite is designed and fabricated with reconfigurable piezoelectric performance.
A high performance self-powered ultraviolet photodetector based on a p-GaN/n-ZnMgO heterojunction
A high performance p-GaN/n-ZnMgO heterojunction photodiode was demonstrated and investigated.
Benzimidazole–triazine based exciplex films as emitters and hosts to construct highly efficient OLEDs with a small efficiency roll-off
Highly efficient exciplex-based OLEDs were fabricated by employing acceptors composed of benzimidazole and triazine hybrids.
Orange-red and white-emitting nonconventional luminescent polymers containing cyclic acid anhydride and lactam groups
Nonconventional luminescent copolymers poly(itaconic anhydride-co-vinyl caprolactam) (PIVC) and poly(itaconic anhydride-co-vinyl pyrrolidone) (PIVP) emit strong orange-red and bright white emissions, respectively.
Aggregation-induced red-shifted emission and fluorescent patterning of poly(aryleneethynylene) with a lateral AIEgen substituent
A poly(aryleneethynylene)-based polymer with a lateral AIEgen showed a large red-shift in emission during aggregation and various high-resolution fluorescent patterns were fabricated by imprinting lithography.
Bis(benzothiophene-S,S-dioxide) fused small molecules realize solution-processible, high-performance and non-doped blue organic light-emitting diodes
A series of solution-processible blue small molecules based on bis(benzothiophene-S,S-dioxide) fused polycyclic aromatics (FBTO) are synthesized, which show the high EL performance with the maximum current efficiency of 6.37 cd A−1.
Keto-salicylaldehyde azine: asymmetric substituent effect on their optical properties via electron-donating group insertion
Asymmetric substitution effect at K-terminal or S-terminal in KSA-based derivatives plays a key role in their AIE performance and metal ion responsiveness via simple intrinsic electronic structure tunings.
Liquid–liquid extraction: a universal method to synthesize liquid colloidal photonic crystals
A liquid–liquid extraction method is developed to produce liquid PCs at room temperature. The colloidal particles precipitate to form liquid PCs due to the extraction of solvent and the supersaturation of particles.
Controlling the formation of heliconical smectic phases by molecular design of achiral bent-core molecules
A heliconical lamellar liquid crystalline phase occurs at the paraelectric–(anti)ferroelectric transition if it coincides with a change of the tilt correlation between the layers.
Enhanced thermoelectric properties of polyaniline/polypyrrole/carbon nanotube ternary composites by treatment with a secondary dopant using ferric chloride
Polymer/carbon nanotube (CNT) composites have lower electrical conductivity than pristine CNTs since the carrier barriers at the interface between the polymer and CNTs hinder the carrier pathways from tube to tube.
Bioinspired microstructure-reorganized behavior of carbon nanotube yarn induced by cyclic stretching training
Microstructure-reorganized behavior is where the microstructure of a material can be reorganized under some conditions, such as temperature or moisture changes, electrical or mechanical stimulation.
Silica–titania hybrids for structurally robust inverse opals with controllable refractive index
Combining silica and titania precursors at varying ratios yields uniform hybrid inverse opal structures with adjustable structural and optical properties.
Halogenation on benzo[1,2-b:4,5-b′]difuran polymers for solvent additive-free non-fullerene polymer solar cells with efficiency exceeding 11%
In this work, two novel two-dimensional (2D) benzo[1,2-b:4,5-b′]difuran (BDF)-based wide bandgap polymers were designed using a halogenation strategy by incorporating fluorine- and chlorine-substituted conjugated side chains, respectively.
Spectator cation size effect on the work function and stability of self-compensated hole-doped polymers
Spectator cations not only influence the ionization energy (and work function) of polyelectrolyte, but also, surprisingly determine the stability of the ultrahigh workfunction state.
Theoretical perspective for luminescent mechanism of thermally activated delayed fluorescence emitter with excited-state intramolecular proton transfer
Excited-state intramolecular proton transfer (ESIPT) and thermally activated delayed fluorescence (TADF) mechanisms in solid phase is revealed theoretically.
A few-layer InSe-based sensitivity-enhanced photothermal fiber sensor
Two-dimensional (2D) InSe has recently attracted increasing attention due to its outstanding electrical transport property, excellent photo-response, and direct band gap characteristics.
Chemical understanding of resistance drift suppression in Ge–Sn–Te phase-change memory materials
The degree of Peierls distortion and the fraction of tetrahedral units in amorphous Ge–Sn–Te phase-change memory materials are gradually reduced as the Sn content gets richer.
Achieving wideband microwave absorption properties in PVDF nanocomposite foams with an ultra-low MWCNT content by introducing a microcellular structure
PVDF nanocomposite foams with ultra-low MWCNT content exhibit high-efficiency microwave absorption properties with a light weight, strong and wide-band absorption, and small-thickness properties.
About this collection
This on-going web collection features all the articles published in Journal of Materials Chemistry C in 2020 marked as HOT, as recommended by referees. Congratulations to all the authors whose articles are featured!