Themed collection Journal of Materials Chemistry C HOT Papers
Carbon-rich macrocycles and carbon nanoribbons as unique optical materials
Carbon-rich macrocycles and carbon nanoribbons act as unusual optical materials in the free form or when combined with other guests.
Review on the promising roles of alkali metals toward highly efficient perovskite light-emitting diodes
Alkali metals have been used to obtain high-performance perovskite light-emitting diodes. In this review, we present an overview of the advances in alkali metal ions applied in PeLEDs. Challenges and the outlook are presented for their future applications.
Solution-processed single-emissive-layer WOLEDs with high efficiency and ultra-high color rendering index beyond 90
We devised single-EML SP-WOLEDs with luminescent gold(III) emitters featuring high EQEmax of 12.72%, CIE coordinates of (0.40, 0.40), and CRI of 93, which is among the best values for the single-EML SP-WOLEDs with CRI > 90 reported in the literature.
Screen Printing of Stretchable Silver Nanomaterial Inks for Stable Muscle-machine Controlling
Theoretical Investigation of the Non-metal Site of Two-Dimensional Metal-Benzenehexathiol for Hydrogen Evolving Activity Enhancement
A photo-responsive organic electrochemical transistor
OECTs capable of undergoing a reversible modulation of ON current by up to 30% via irradiation with UV and visible light were realised via blending of a mixed ionic–electronic polymer (pgBTTT) and a photoswitching spiropyran derivative (OEG-SP).
Amplification of dissymmetry factors by dihedral angle engineering in donor–acceptor type circularly polarized luminescence materials
A new donor–acceptor type circularly polarized luminescence material has been developed, and a dihedral angle engineering strategy has been demonstrated for the first time to significantly amplify the luminescence dissymmetry factors.
BaTiO3/MXene/PVDF-TrFE composite films via an electrospinning method for flexible piezoelectric pressure sensors
The BaTiO3/MXene/PVDF-TrFE piezoelectric pressure sensor had a wide detection range and a short response time, which showed great advantages and potential in the application of human motion monitoring.
Donor-Acceptor-Donor Molecules for High Performance Near Ultraviolet Organic Light-Emitting Diodes via Hybridized Local and Charge-Transfer Process
Flux induced highly efficient and stable phosphor Sr2ScSbO6:Mn4+ for plant growth lighting
Sr2ScSbO5.6F0.4:Mn4+ presents excellent thermal stability and higher internal/external quantum efficiency with application prospects in indoor plant cultivation.
Oxygen vacancy engineered tin dioxide/tungsten disulfide heterostructure construction for effective NO sensing
Oxygen vacancy engineered SnO2/WS2 heterostructures are constructed by an effective hydrothermal process to improve the sensitivity/selectivity and realize low operating temperature. The response (Rg/Ra) of the hybrid to 5 ppm NO was 6.24 at 75 °C.
Antimony doped Tin (IV) hybrid metal halides with high efficiency tunable emission and information encryption
Diverse modes regulated photoresponse and high-resolution imaging based on van der Waals semimetal PtTe2/semiconductor MoTe2 junctions
Device structure, photoresponsivity, diverse modes regulated photoresponse and high-resolution imaging based on van der Waals semimetal PtTe2/semiconductor MoTe2 junctions.
Computing metasurface capable of broad-band switchable anisotropic edge-enhanced imaging
We reported a novel all-optical imaging device based on a designed 2D material (metasurface) for anisotropic 2D edge enhancements. This metasurface can work as a switchable anisotropic edge filter at broadband wavelengths.
A dual-band graphene/silicon nanowire array heterojunction photodetector induced by leaky mode resonances
A leaky mode resonance induced dual-band photodetector is fabricated using graphene/silicon nanowire array heterojunctions, which exhibit two peak responsivities at 430 nm and 660 nm.
A salicylaldoximate-based AIE probe for the detection of the nerve agent simulant DCP
A salicylaldoximate-based AIE probe TPE-D successively undergoes the formation of nitrile and the phosphorylation of phenolic hydroxyl group when detecting DCP, which will give a significant fluorescence ‘light-up’ response within minutes.
A comparison of para, meta, and ortho-carborane centred non-fullerene acceptors for organic solar cells
Unveiling the impact of different structural isomers of carborane-containing non-fullerene acceptors on optoelectronic properties and organic photovoltaic performance.
Design of high-performance circularly polarized multiple resonance-based TADF materials via participatory chiral perturbation
The materials incorporating a moderate electron-donating chiral unit (BAM) closer to the chromophore and participating in the frontier molecular orbitals distributions may achieve a balance between a large g value and high fluorescence quantum yield.
Lanthanide ion doping enabling highly sensitive and stable all-inorganic CsPbI2Br perovskite photodetectors
We introduce Ln3+ ions into all-inorganic CsPbI2Br films. Photodetectors based on CsPbI2Br:Yb3+ films achieve a D* of 4.6 × 1012 Jones, a detection range of 300–700 nm, quick response time (640 ns) and good stability.
Near-infrared light induced curing of electrically conductive adhesive assisted by upconversion particles
We report a highly-efficient method for preparing an electrically conductive adhesive (ECA) by using the upconversion nanoparticle-assisted near infrared photopolymerization (UCAP) technology.
Elastic broadband antireflection coatings for flexible optics using multi-layered polymer thin films
A precise and facile fabrication of robust and flexible polymeric thin film multilayers with optical quality is achieved by iCVD.
Tuning the mechanoresponsive luminescence of rotaxane mechanophores by varying the stopper size
The efficiency of force-induced dethreading of rotaxane mechanophores is controlled by the stopper size.
High-efficiency deep-red to near-infrared emission from Pt(II) complexes by incorporating an oxygen-bridged triphenylborane skeleton
Two Pt(II) complexes with high-efficiency deep-red to NIR emission are gained by incorporating BO skeleton into azacycles. The EQEmax of (BOiqn)2Pt and (BOPy)2Pt doped OLED is 3.84% at 656/710 nm and 7.99% at 624/660 nm, respectively.
Polar 2D hybrid perovskite crystals with intrinsic strong linear dichroism for polarization-sensitive and self-powered detection
By incorporating a brominated aromatic cation as an interlayered spacer, we have prepared a 2D polar hybrid perovskite for polarization-sensitive and self-powered photodetection.
Chloroformamidine hydrochloride as a molecular linker towards efficient and stable perovskite solar cells
A schematic of the modification mechanism of chloroformamidine hydrochloride (CFA) at SnO2/perovskite (PVK) interface.
Wavelength-adaptive optical angular momentum recognizer via programmable soft materials
Enhanced Self-powered UV Photodetection from X Chromosome-shaped Cs3Cu2I5 Microcrystals
Chemical vapor deposition growth and photodetector performance of lead-free all-inorganic crystalline Cs3Sb2X9 (X = I, Br) perovskite thin films
Lead-free inorganic halide perovskites are non toxic and stable with unique properties making them suitable for many optoelectronic devices. We fabricated photodetectors with their thin films which demonstrated excellent photodetection performance.
Designed a hollow Ni2P/TiO2 S-scheme heterojunction for remarkably enhanced photoelectric effect for solar energy harvesting and conversion
A hollow Ni2P/TiO2 S-scheme heterojunction was designed to harvest solar energy and enhance the photoelectric effect. The Ni2P/TiO2 heterojunction exhibits excellent photoelectric separation effects.
Orthorhombic undoped κ-Ga2O3 epitaxial thin films for sensitive, fast, and stable direct X-ray detectors
X-ray photoresponse of κ-Ga2O3 is investigated for the first time. Results show that κ-Ga2O3 is a versatile material for the development of high-performance direct X-ray detectors.
Thermoelectric properties of an organoboron polymer n-doped with a N-heterocyclic carbene based dopant
A N-heterocyclic carbene based dopant can be n-doped into an organoboron polymer, achieving higher thermoelectric performance and better stability than those of N-DMBI.
Enhanced pseudo-atomic layer deposition of antimony telluride thin films by co-injecting NH3 gas with both precursors
This work proposed an enhanced deposition method of antimony telluride (Sb2Te3) thin films, which allowed facile growth at high temperatures (> 150 °C).
Additive manufacturing of polyaniline blends for lightweight structures with tunable conductivity
Printable feedstocks that can produce lightweight, robust, and ductile structures with tunable and switchable conductivity are of considerable interest for numerous application spaces.
Chemical-vapor-deposited 2D VSe2 nanosheet with threshold switching behaviors for Boolean logic calculations and leaky integrate-and-fire functions
Reliable threshold switching behaviors can be observed in VSe2 nanosheets after an annealing method owing to the phase transition from the 1T to 2H. The VSe2 memristor can be employed to perform Boolean logic calculations and simulate LIF functions.
2-Amino-5-chlorobenzophenone passivating perovskite films using multiple functional groups towards high-performance solar cells
2-Amino-5-chlorobenzophenone (ACB) with multiple functional groups is adopted to passivate surface defects of perovskite films for achieving efficient and stable PSCs.
Low-voltage and wide-tuning-range SiO2/aniline electrically responsive photonic crystal fabricated by solvent assisted charge separation
An electrically responsive SiO2/aniline photonic crystal was fabricated and proved to possess low working potential, wide color tuning range, and good stability and reversibility in response.
Tuning charge carrier dynamics through spacer cation functionalization in layered halide perovskites: an ab initio quantum dynamics study
Fluorination of spacer cations compacts the layered halide perovskites, weakens the electron–phonon interactions, and suppresses the non-radiative charge carrier recombination processes.
Orthogonal integration of holographic and fluorescent dual images based on energy transfer from liquid crystals to a photocleavable AIEgen
Orthogonal integration of holographic and fluorescent dual-mode optical images with facile tunable emission colors has been achieved by precisely controlling the Förster resonance energy transfer and photocleavage reaction of an AIEgen.
A double-cable Y-series-based polymer acceptor for efficient all-polymer solar cells: a new strategy of polymerizing small molecule acceptors
In this work, we report a new design strategy to synthesize a double-cable polymer acceptor PT-BTP composed of a fused-ring Y-series acceptor framework as a pendant side unit and thiophene derivative as the conjugated backbone.
Tunable optical properties of transition metal dichalcogenide nanoparticles synthesized by femtosecond laser ablation and fragmentation
Control of the chemical composition and optical properties of molybdenum disulfide nanoparticles by laser ablation and fragmentation is demonstrated.
Structural and optoelectronic characteristics of β-Ga2O3 epitaxial films with Zn alloying and subsequent oxygen annealing
In this article, we have reported the fabrication of ∼7.5 at% Zn alloyed β-Ga2O3 epitaxial films and their high performance solar-blind photodetectors.
Ultralow-power consumption photonic synapse transistors based on organic array films fabricated using a particular prepatterned-guided crystallizing strategy
The prepattern-guided crystallization method was used to prepare array thin film transistors. The photonic synapses realized synaptic behaviour with 0.036 fJ per spike and demonstrated many important functions.
Construction of ternary RuP2/Ti4P6O23@TiO2 photocatalysts for efficient photocatalytic biomass selective oxidation and water splitting
Construction of ternary RuP2/Ti4P6O23@TiO2 photocatalysts for efficient photocatalytic biomass selective oxidation and water splitting.
Chiral hybrid manganese(II) halide clusters with circularly polarized luminescence for X-ray imaging
Two pairs of enantiomorphic organic–inorganic hybrid manganese(II) halide clusters show excellent CPL properties and work as scintillators in X-ray detection and imaging.
Solar-blind UV Schottky barrier photodetectors formed by Au/Ni on β-(AlxGa1−x)2O3/AlGaN heterostructures
Typical spectral responses of solar-blind photodetectors made of n-GaN/Al0.27Ga0.73N/(AlxGa1−x)2O3 heterostructures with Ni/Au Schottky contact.
Air-stable ternary organic solar cells achieved by using fullerene additives in non-fullerene acceptor-polymer donor blends
Addition of a fullerene derivative to a PBTATBT-4F:Y6 blend significantly enhances cell stability, which retained 90% of the initial PCEs (13–14%) even after storage in air for 6 months, compared to only 20% retention for the binary device.
Eu-doped (Y0.85−xLa0.15)2O3 sesquioxide transparent ceramics for high-spatial-resolution X-ray imaging
(Y0.85−xLa0.15)2O3:xEu transparent ceramics have good sensitivity, low detection limits and excellent spatial resolution (18.0 lp mm−1), presenting great potential for high-resolution X-ray imaging applications.
Chlorination effects of a non-fullerene acceptor based on a selenium heterocyclic core for high-efficiency organic solar cells
The photovoltaic performance of three chlorinated NFAs based on a selenium heterocyclic core (namely BTSeIC-2Cl-γ, BTSeIC-2Cl-mix and BTSeIC-4Cl) were researched by precisely regulating the number and position of end-group chlorine atoms.
Controlled molecular assemblies of chiral boron dipyrromethene derivatives for circularly polarized luminescence in the red and near-infrared regions
We demonstrated the aggregation-enhanced emission and circularly polarized luminescence of chiral 1,1′-bi-2-naphthol-substituted boron dipyrromethene derivatives in the red and near-infrared regions.
A hole injection monolayer enables cost-effective perovskite light-emitting diodes
Cost-effective fabrication of efficient metal halide perovskite light emitting diodes are realized by using a hole injection monolayer, which is demonstrated to be highly effective for hole injection and radiative recombination.
Remarkable performance recovery in highly defective perovskite solar cells by photo-oxidation
Exposure to oxygen and light leads to a remarkable performance improvement in the case of highly-defective metal halide perovskite solar cells.
Assembling a high-performance asymmetric supercapacitor based on pseudocapacitive S-doped VSe2/CNT hybrid and 2D borocarbonitride nanosheets
High performance asymmetric supercapacitor assembled using the S-VSe2/CNT positrode and BCN negatrode.
Facile fabrication of exfoliated g-C3N4/MWCNTs/Fe3O4 ternary composites with multi-component functional synergy for high-performance microwave absorption
A facile synthesis strategy of multi-component functional synergy absorbers with a minimum reflection loss value (RLmin) of −51.74 dB at only 1.9 mm (11.12 GHz) and the efficient absorption bandwidth (EAB) of 4.28 GHz at 1.4 mm.
Switchable biexcitons in perovskite-like RbCu2Br3 crystals driven by thermally induced phase transition
We report, for the first time, the growth of RbCu2Br3 crystals and investigate their macroscopic transition from blue light emission to dazzling orange light due to thermally induced phase transition.
Near-infrared emission of a novel nonconventional luminophore for in vitro imaging
Luminogens without recognizable luminophores are attracting increasing attention owing to their particular photophysical properties and outstanding biocompatibility features.
Boosted charge transfer and CO2 photoreduction by construction of S-scheme heterojunctions between Cs2AgBiBr6 nanosheets and two-dimensional metal–organic frameworks
An inorganic/organic CABB/Ni-MOF hybrid photocatalyst was fabricated. Due to the efficient charge separation, high reduction potential preservation, and the improved CO2 adsorption, the CABB/Ni-MOF hybrid showed high CO2 photoreduction activity.
Lead-free halide Cs2MnCl4:Cu+ as a new phosphor for efficient green light emission
A new green light-emitting phosphor with a PLQY of 70% was prepared by doping Cu+ into Cs2MnCl4. The WLED packaged by mixing commercial red and blue phosphors with Cs2MnCl4:0.1Cu+, exhibits a high CRI (Ra = 93) and low CCT (4080 K).
Construction of a two-dimensional metal–organic framework with perpendicular magnetic anisotropy composed of single-molecule magnets
A robust network structure of single-molecule magnets that exhibits perpendicular magnetic anisotropy preferred for memory devices was constructed utilizing coordination chemistry at the air–liquid interface.
Equilibration and thermal reversibility in mixtures of model OPV small-molecules and polymers
Following annealing at sufficiently high temperatures, well-controlled thin-film bilayers exhibit thermal changes in phase-composition, phase-volume and interfacial roughness that are reversible, irrespective of the starting layer compositions.
All-fused-ring small molecule acceptors with near-infrared absorption
The all-fused-ring molecules with near-infrared absorption and high stability are developed. The organic solar cells by using these molecules as electron acceptors exhibit a PCE of 11.4% and high device stability.
A “layer-by-layer” building strategy for the fabrication of a metal–hydrogel–metallic nanoarray plasmonic cavity with dynamic color display performance
An innovative “layer-by-layer” building strategy is demonstrated to prepare a responsive polymer based metal–insulator–metallic nanoarray (MIMn) for dynamic plasmonic color displays.
Ultrafine-fiber thermistors for microscale biomonitoring
Spinel Mn1.4Co0.9Ni0.5Cu0.2O4 film thermistors have been prepared on ultrafine aramid fibers using a photocrystallization. The rapid and accurate temperature responses of the fiber thermistors are promising for microscopic temperature sensors.
Eu2+ luminescence in CaYGaO4 olivine: a new efficient red phosphor for warm illumination
Fine control of the photon emission of Eu2+ activated luminescent materials is essential for advanced optoelectronic applications.
Tunable and enhanced mechanoluminescence in LiYGeO4:Tb3+via Bi3+ → Tb3+ energy transfer
Enhanced tunable mechanoluminescence (ML) is obtained in orthorhombic phase compound LiYGeO4:Bi3+,Tb3+. An anti-counterfeiting device is designed, which demonstrates the potential application prospects in the dynamic anti-counterfeiting field.
Simulation of polymeric mixed ionic and electronic conductors with a combined classical and quantum mechanical model
We present a model enabling the simulation of doped polymers in the vicinity of water and ions taking into account large electronic rearrangements coupled with slow dynamics.
Indium tin oxide as a dual-band compatible stealth material with low infrared emissivity and strong microwave absorption
To explore radar/infrared compatible stealth materials, indium tin oxides were prepared and showed high-efficiency microwave absorption and infrared stealth properties.
Bandgap narrowing and piezochromism of doped two-dimensional hybrid perovskite nanocrystals under pressure
We provide a facile pressure engineering to achieve the optical control of Mn doped 2D perovskite (PEA)2PbBr4 NCs. A successive bandgap narrowing and marked piezochromism which changes emission from orange to bluish violet were realized.
A time-resolved and visualized host–guest self-assembly behavior controlled through kinetic trapping
Developing visible approaches to real-time monitoring of kinetic traps within the thermodynamic equilibrium process is of great importance for fundamental research into dynamic supramolecular chemistry.
Doping dependent dual-response mechanoluminescence in ZnGa2O4
Dual-response mechanoluminescence (ML) enables light emission upon both the application and withdrawal of mechanical stress, which can provide novel opportunities for stress-sensing.
Highly twisted bipolar molecules for efficient near-ultraviolet organic light-emitting diodes via a hybridized local and charge-transfer mechanism
Using a twisting linker strategy, stable NUV luminogens are prepared with nearly quantitative luminescence. Nondoped OLEDs are fabricated using the dyes as emitters and NUV electroluminescence is achieved with a maximum EQE of 6.97% and a small FWHM of 48 nm.
About this collection
This on-going web collection features all the articles published in Journal of Materials Chemistry C in 2023 marked as HOT (selected by our Editors as especially significant based on reviewers’ recommendations and their own appraisal). Congratulations to all the authors whose articles are featured!