Themed collection Journal of Materials Chemistry C HOT Papers
Circularly polarized luminescence from AIEgens
This work systematically summarizes recent advances in circularly polarized luminescence (CPL) based on aggregation-induced emission luminogens (AIEgens).
Layer-by-layer fabrication of organic photovoltaic devices: material selection and processing conditions
Layer-by-layer (LbL) processing, otherwise known as sequential deposition, is emerging as the most promising strategy for fabrication of active layers in organic photovoltaic (OPV) devices on both laboratory and industrial scales.
Precursors for direct-write nanofabrication with electrons
The influence of precursor's chemical composition and side reactions on materials obtained by direct nanoprinting using FEBID techniques is discussed.
Thermal properties of metal-halide perovskites
The thermal properties of metal-halide perovskites are reviewed with respect to experimental findings, theoretical insights, dimensionalities, and phase transitions.
Metal chalcogenide semiconductor nanocrystals synthesized from ion-conducting seeds and their applications
This review explains the significance of ion-conductive solid seed-based synthesis from a mechanistic point of view to produce 1D and quasi-1D metal chalcogenide heterostructures and alloyed nanocrystals for applications in photocatalysis, photovoltaics, and photodetectors.
Recent progress in chemical gas sensors based on organic thin film transistors
The advances in materials and applications of OTFT based chemical gas sensors.
Electrides: a review
Electrides are systems in which an electron is not bound to an atom and plays an active role in the structure. The three types of electron confinement have been confirmed.
Digital manufacturing of functional materials for wearable electronics
A review of the recent developments of digital manufacturing methods of functional materials for wearable electronics 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.
Meniscus-guided coating of organic crystalline thin films for high-performance organic field-effect transistors
In this review, recently reported strategies applied to control the morphology, molecule packing, and orientation of organic semiconductors thin films in the context of meniscus-guided coating techniques are summarized and discussed.
Multiple strategies towards high-efficiency white organic light-emitting diodes by the vacuum deposition method
This review summarizes the progress in WOLEDs in recent years including all phosphorescent WOLEDs, hybrid WOLEDs, all fluorescence WOLEDs, doping-free WOLEDs, and single-emitter WOLEDs.
Electrochemical polymerization: an emerging approach for fabricating high-quality luminescent films and super-resolution OLEDs
Currently, the fabrication of high-resolution OLEDs has many limitations. Electrochemical polymerization is an efficient way to fabricate conducting polymer films.
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.
High mobility organic semiconductor for constructing high efficiency carbon nitride heterojunction photocatalysts
High-mobility organic semiconductor CuPc is used to construct CN/CuPc heterojunction photocatalysts, showing enhanced photocatalytic performances. This work proves the prospect of high-mobility organic semiconductors in photocatalysis.
Biodegradable inkjet-printed electrochromic display for sustainable short-lifecycle electronics
We report on inkjet-printed, wearable electrochromic displays with certified biodegradability according to the international standard 14855 for short-lifecycle applications.
Charge transport properties of co-evaporated organic–inorganic thin film charge transfer complexes: effects of intermolecular interactions
Charge transport properties of the organic–inorganic MoO3 : 6T CTC thin film can be dramatically tuned via rubbing. The effects of intermolecular interactions on these changes are studied in detail.
Two-dimensional monoelemental germanene nanosheets: facile preparation and optoelectronic applications
Few-layer 2D germanium nanosheets (GeNS) are obtained via a facile liquid-phase exfoliated method and fabricated as electrode materials to assemble self-powered high performance photo-electrochemical (PEC) type photodetectors.
Utilizing an electron-deficient thieno[3,4-c]pyrrole-4,6-dione (TPD) unit as a π-bridge to improve the photovoltaic performance of A–π–D–π–A type acceptors
Thieno[3,4-c]pyrrole-4,6-dione (TPD) was used as a π-bridge to synthesize A–π–D–π–A type NFAs, which realized a PCE of 10.4% by using PTQ10 as the electron donor.
Substitution site effect of naphthyl substituted anthracene derivatives and their applications in organic optoelectronics
Two different naphthyl substituted anthracene derivatives were synthesized. A tiny change of the substitution site of the naphthyl group leads to a significant difference of the molecular packing and exerts great impact on optoelectronic properties.
Thermal-induced interface degradation in perovskite light-emitting diodes
The poor operational stability remains a key challenge in perovskite light-emitting diodes. In this work, we investigate the detrimental effects of thermal-induced interface degradation on the device performance of perovskite light-emitting diodes.
Lithium nitrate-assisted hydrothermal synthesis of ultrathin Bi2O2Se nanosheets and their photoelectrochemical performance
This work presents a facile and controllable hydrothermal synthesis of ultrathin Bi2O2Se nanosheets. The Bi2O2Se nanosheets show good photoelectrochemical performance.
In situ synthesis of coaxial CsPbX3@polymer (X = Cl, Br, I) fibers with significantly enhanced water stability
In situ synthesis of coaxial CsPbX3@polymer (X = Cl, Br, I) fibers with significantly enhanced water stability by one-step electrospinning method.
Broadband emission in all-inorganic metal halide perovskites with intrinsic vacancies
Introducing some lanthanide ions with suitable ionic radius into octahedral [PbX6] units to cause permanent lattice distortion and create potential fluctuations in the crystal lattice might facilitate the formation of STEs in CsPbX3.
Enhanced thermoelectric performance of SWNT/organic small molecule (OSM) hybrid materials by tuning of the energy level of OSMs
The SWNT/dmBT hybrid with a low barrier of 0.06 eV between SWNT and dmBT showed a maximum Seebeck coefficient of 78.5 μV K−1 and a power factor of 183.9 μW m−1 K−1, 1.5 and 4.6 times higher compared to the SWNT/dCNBT with a high barrier of 0.64 eV.
Optically tunable mesoscale CdSe morphologies via inorganic phototropic growth
Inorganic phototropic growth, a maskless, lithography-free process, enabled generation of CdSe films with highly ordered, optically-defined nanotextures over macroscale areas.
A high-performance visible laser rewritable black paper
An automatically printable, classic, and frequently usable high-performance black visible-light-responsive paper has been fabricated.
Correlation between the strength of conjugation and spin–spin interactions in stable diradicaloids
Blatter based diradicaloids with p-diphenyl, fluorenyl and naphthyl bridges exhibit bridge dependent magnetic and optical properties.
Integrating 3D printing and self-assembly for layered polymer/nanoparticle microstructures as high-performance sensors
A 3D printed, preferentially aligned, and alternate-layered polymer–carbon nanofiber microstructure for a high-performance chemical sensor has been fabricated.
A molecular spin-crossover film allows for wavelength tuning of the resonance of a Fabry–Perot cavity
A wavelength-tunable optical cavity was constructed using spin crossover molecules.
Anti-oxidative passivation and electrochemical activation of black phosphorus via covalent functionalization and its nonvolatile memory application
Covalent modification of BP nanosheets with triphenylamine molecules results in better air stability and electrochemical activity, thus enabling its potential use for nonvolatile resistive switching memory.
All-organic flexible fabric antenna for wearable electronics
An all-organic fabric patch antenna is realized with the help of nanotemplates-assisted PEDOT:PSS conductive phase segregation, paving a new way for clothing integrated wearable electronic networks.
Piperidine-induced Switching of the direct band gaps of Ag(I)/Bi(III) bimetallic iodide double perovskites
Here, we report two silver(I)–bismuth(III)-based layered lead-free double perovskites with direct band gaps and high moisture stability.
High-performance n- and p-type organic single-crystal field-effect transistors with an air-gap dielectric towards anti-ambipolar transport
By combining high-performance n- and p-type single crystals with an air-gap dielectric, excellent anti-ambipolar transport with a small hysteresis was achieved.
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.
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.
Highly efficient and thermally stable Sb2Se3 solar cells based on a hexagonal CdS buffer layer by environmentally friendly interface optimization
A hexagonal CdS film is used to increase the quality and improve the spectral response of Sb2Se3 solar cells deposited by the RTE method. A 7.35% efficiency of Sb2Se3 solar cells has been obtained based on the hexagonal CdS film.
A dual promotion strategy of interface modification and ion doping for efficient and stable carbon-based planar CsPbBr3 perovskite solar cells
A novel dual promotion strategy combining interface modification with ion doping is proposed to achieve highly efficient and stable carbon-based planar CsPbBr3 perovskite solar cells.
Synthesis, structure, and luminescence properties of layered oxychloride Ba3Y2O5Cl2
We report the synthesis, crystal structure, and optical properties of a new layered perovskite oxychloride, Ba3Y2O5Cl2.
Amorphous colloidal photonic crystals assembled by mesoporous silica particles for thin layer chromatography with high separation efficiency and colorimetric recognition
A mesoporous SiO2 amorphous photonic crystal film was used to develop new thin-layer chromatography with high separation efficiency and simplified recognition.
Preparation of non-fullerene acceptors with a multi-asymmetric configuration in a one-pot reaction for organic solar cells
Non-fullerene acceptors with a multi-asymmetric configuration are prepared in a one-pot reaction and show distinct properties.
Manipulating the phase transformation temperature to achieve cubic Cu5FeS4−xSex and enhanced thermoelectric performance
The phase transformation temperature of Cu5FeS4 can be significantly reduced by replacing S by Se, leading to significantly enhanced average power factor and zT.
Highly enhanced UV-vis-NIR light harvesting and photoelectric conversion of a pyrene MOF by encapsulation of the D–π–A cyanine dye
Through a facile ion exchange process, cyanine dye can be encapsulated into MOF nanochannels, largely extends the light-harvesting range to visible-light and NIR region, promotes photoelectric conversion performance 15 times higher than that of the pristine MOF.
Eco-friendly, solution-processable and efficient low-energy lighting phosphors: copper halide based hybrid semiconductors Cu4X6(L)2 (X = Br, I) composed of covalent, ionic and coordinate bonds
We have developed a series of AIO-type copper halide hybrid semiconductors. The low-energy emission and high efficiency, coupled with good solution processability make these compounds promising candidate as robust and eco-friendly lighting phosphors.
Scalable fabrication of flexible piezoresistive pressure sensors based on occluded microstructures for subtle pressure and force waveform detection
Scalable fabrication of flexible PDMS/CNS pressure sensors with occluded microstructures were achieved by a simple, low-cost and eco-friendly manufacturing process.
A robust and multifunctional calcium coordination polymer as a selective fluorescent sensor for acetone and iron (+3) and as a tunable proton conductor
A robust 3D Ca-CP demonstrates selective fluorescence-based sensing of Fe3+ and acetone as well as tunable proton conduction.
Relaxing under pressure with a rigid niccolite formate framework
Order-disorder phase transition and relaxation process in lead free rigid niccolite-type formate crystal under pressure supported by the molecular dynamics simulations.
Unraveling the photophysical and semiconducting properties of color converter luminogens with aggregation induced emission characteristics
Aggregation-induced emission (AIE) has attracted increasing attention in recent years in the search for luminescent materials with biomedical and optoelectronic applications.
General strategy for tuning the Stokes shifts of near infrared cyanine dyes
A series of amine substituted cyanines show spectral characteristics that are dependent on the structure of the substituted amine, with Stokes shifts that range from 24–180 nm. Computational analysis informs on the ground and excited state structures.
A layered hybrid rare-earth double-perovskite-type molecule-based compound with electrical and optical response properties
An excellent high-temperature switchable dielectric constant and high-efficiency photoluminescence have been realized in (3HQ)4[RbEu(NO3)8] (3HQ = 3-quinuclidinone cation).
Emerging piezochromism in lead free alkaline earth chalcogenide perovskite AZrS3 (A = Mg, Ca, Sr and Ba) under pressure
Hydrostatic pressure is an effective tool that can give rise to novel crystal structures and physical properties.
Electronic, vibrational, and electron–phonon coupling properties in SnSe2 and SnS2 under pressure
First-principles calculations are used to investigate the effect of pressure on lattice stability, electron–phonon properties, and superconductivity in SnSe2 and SnS2.
Improving the photoresponsivity and reducing the persistent photocurrent effect of visible-light ZnO/quantum-dot phototransistors via a TiO2 layer
Conventional visible-light phototransistors based on the heterostructure of wide band gap zinc oxide (ZnO) and colloidal quantum-dots (CdSe/ZnS QDs) have been studied.
Universal polymeric bipolar hosts for highly efficient solution-processable blue and green thermally activated delayed fluorescence OLEDs
Two novel polymeric host materials, P(NmCP) and P(mCP), were synthesized, and high-performing sky-blue and green thermally activated delayed fluorescence organic light-emitting diodes were achieved.
Rationally designed piezoelectric charge polarity at interfaces for largely improving photodiode performance by piezo-phototronic effects
The coupling effect at the two piezoelectric semiconductor interface can be designed to largely improve device photoresponse performances.
Multifunctional Zn(II)–Yb(III) complex enantiomers showing second-harmonic generation, near-infrared luminescence, single-molecule magnet behaviour and proton conduction
A new pair of Zn(II)–Yb(III) enantiomers with trinuclear structures were synthesized by using a chiral amine-phenol ligand, and they show unprecedented five-functionality by association of SMM, luminescent and proton conductive properties.
Concrete perovskites for fabricating high-quality micro-laser arrays
Hybrid Concrete-like perovskites (CPs) of CsPbBr3@MABr were designed to obtain high-quality whispering-gallery-mode (WGM) and Fabry–Pérot (FP) cavity arrays for lasing.
An all white magnet by combination of electronic properties of a white light emitting MOF with strong magnetic particle systems
A multi-component particle system was developed that combines the properties of white color, white light emission and strong magnetism on the macroscopic and microscopic scale.
Lattice marginal reconstruction-enabled high ambient-tolerance perovskite quantum dot phototransistors
Medium-solvent-treated oxide/perovskite quantum dot hybrid phototransistors exhibited enhanced photoresponsivity and ambient tolerance based on a surface reconstruction phenomenon on quantum dots, which suppressed penetration of water molecules.
Stable puckered C2N2 nanosheet with giant anisotropic hole carrier mobility: insights from first-principles
Based on black-phosphorus-like nitrogen, we propose a puckered carbon nitride with an ultrahigh hole mobility and remarkable anisotropic behavior.
Optical control of Er3+-doped M0.5Bi2.5Nb2O9 (M = Li, Na, K) materials for thermal stability and temperature sensing using photochromic reactions
Thermal stability and temperature sensing of Er3+-doped M0.5Bi2.5Nb2O9 (M = Li, Na, K) upconversion materials can be effectively modulated using photochromic reactions.
Ferroelectric-like organic–inorganic interfaces
Ferroelectricity is observed to occur at the interface between two non-ferroelectric materials, a polymer and silicon.
A supercritical removal method: the rapid elimination of impurities in polymethyl-methacrylate at near room temperature and a mechanism investigation of insulating property improvements
A high-efficiency and rapid removal method to eliminate impurities in PMMA films at near-room-temperature is illustrated.
High brightness circularly polarized electroluminescence from conjugated polymer F8BT induced by chiral binaphthyl-pyrene
R-/S-3 R-/S-3 R-/S-3The CP-OLEDs used achiral conjugated fluorescent polymer F8BT, blended with blue-emitting chiral dopants (R-/S-3), as the device emitting layer. High brightness CP-EL from fluorescent polymer F8BT could be induced by chiral enantiomers R-/S-3.
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!