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Themed collection 2019 Journal of Materials Chemistry C HOT Papers

58 items
Review Article

Recent developments in stimuli-responsive luminescent films

Luminescent films have attracted a great amount of attention due to their unique properties and various potential applications in optical displays, sensors and switches.

Graphical abstract: Recent developments in stimuli-responsive luminescent films
From the themed collection: Recent Review Articles
Review Article

Physical vapour deposition of vanadium dioxide for thermochromic smart window applications

In this paper, various PVD techniques, such as pulsed laser deposition (PLD), evaporation decomposition (ED) and sputtering, are examined with respect to their conditions for VO2 fabrication, film quality and the strategies for film improvements.

Graphical abstract: Physical vapour deposition of vanadium dioxide for thermochromic smart window applications
Review Article

Recent progress on highly sensitive perovskite photodetectors

The recent progress and developments on perovskite photodetectors are summarized from the perspective of device physics and materials science.

Graphical abstract: Recent progress on highly sensitive perovskite photodetectors
From the themed collection: Recent Review Articles
Review Article

Luminescent perovskite quantum dots: synthesis, microstructures, optical properties and applications

The synthesis, microstructures, optical properties and promising applications of luminescent perovskite quantum dots in optoelectronic fields are systematically reviewed.

Graphical abstract: Luminescent perovskite quantum dots: synthesis, microstructures, optical properties and applications
From the themed collection: Recent Review Articles
Review Article

Recent progress in printable organic field effect transistors

Downscaling of printable OFETs and approaches for steep subthreshold swing have been summarized and discussed.

Graphical abstract: Recent progress in printable organic field effect transistors
From the themed collection: Recent Review Articles
Communication

Enhancing the thermoelectric performance of Cu1.8S by Sb/Sn co-doping and incorporating multiscale defects to scatter heat-carrying phonons

(Sb, Sn) co-doping optimizes the carrier concentration of Cu1.8S and constructs multiscale defects, leading to ZTmax of 1.2 at 773 K.

Graphical abstract: Enhancing the thermoelectric performance of Cu1.8S by Sb/Sn co-doping and incorporating multiscale defects to scatter heat-carrying phonons
Communication

A novel information storage and visual expression device based on mechanoluminescence

A novel information storage and visual expression device records the pre-stressed region and expresses the information via light emission.

Graphical abstract: A novel information storage and visual expression device based on mechanoluminescence
Communication

Highly luminescent CsPbBr3 nanorods synthesized by a ligand-regulated reaction at the water–oil interface

We have synthesized highly luminescent CsPbBr3 nanorods through an oriented-attachment mechanism assisted by the ligand-regulation at the water–oil interface.

Graphical abstract: Highly luminescent CsPbBr3 nanorods synthesized by a ligand-regulated reaction at the water–oil interface
Communication

Transient fiber-shaped flexible electronics comprising dissolvable polymer composites toward multicolor lighting

Dissolvable and flexible light emitting fibers toward multicolor lighting are fabricated via an all-solution processing method.

Graphical abstract: Transient fiber-shaped flexible electronics comprising dissolvable polymer composites toward multicolor lighting
Accepted Manuscript - Paper

Sonochemical functionalization of low-dimensional surface oxide of galinstan for heterostructured optoelectronic applications

Paper

Selective electroless deposition of cobalt using amino-terminated SAMs

Selective electroless deposition of Co directly on dielectric surfaces, promoted by amino-terminated organic films in combination with a selective Pd catalyst.

Graphical abstract: Selective electroless deposition of cobalt using amino-terminated SAMs
Paper

Impact of structural anisotropy on electro-mechanical response in crystalline organic semiconductors

To gain a fundamental understanding of the electromechanical response in crystalline organic semiconductors, the uniaxial strain–mobility relationships in rubrene polymorphs and benzothienobenzothiophene crystals is investigated. The strain–mobility response in these materials evolves to be bi-directional, that depends on the inherent crystalline anisotropy.

Graphical abstract: Impact of structural anisotropy on electro-mechanical response in crystalline organic semiconductors
Paper

Fluorescence microscopy of single lead bromide nanocrystals reveals sharp transitions during their transformation to methylammonium lead bromide

Single-nanocrystal fluorescence microscopy reveals that the immiscibility between PbBr2 and CH3NH3PbBr3 crystals imposes the limiting energetic barrier for nanocrystal conversion.

Graphical abstract: Fluorescence microscopy of single lead bromide nanocrystals reveals sharp transitions during their transformation to methylammonium lead bromide
Paper

The role of secondary phase in enhancing transduction coefficient of piezoelectric energy harvesting composites

A new composite design strategy tailors the synergistic change of d33 and εr to obtain a high d33·g33.

Graphical abstract: The role of secondary phase in enhancing transduction coefficient of piezoelectric energy harvesting composites
Paper

Near-infrared-laser-driven robust glass-ceramic-based upconverted solid-state-lighting

Glass ceramics containing Ln3+-doped α/β-NaYF4 nanocrystals are employed to construct NIR-laser-driven upconverted solid-state-lighting for the first time.

Graphical abstract: Near-infrared-laser-driven robust glass-ceramic-based upconverted solid-state-lighting
Paper

Controlled synthesis and enhanced photoelectro-catalytic activity of a 3D TiO2 nanotube array/TiO2 nanoparticle heterojunction using a combined dielectrophoresis/sol–gel method

The surface morphology and particle size of materials can be controlled using DEP technology.

Graphical abstract: Controlled synthesis and enhanced photoelectro-catalytic activity of a 3D TiO2 nanotube array/TiO2 nanoparticle heterojunction using a combined dielectrophoresis/sol–gel method
Accepted Manuscript - Paper

Novel AgNbO3-based lead-free ceramics featuring excellent pyroelectric properties for infrared detecting and energy harvesting applications via antiferroelectric/ferroelectric phase boundary design

Paper

Large magnetoresistance and spin-polarized photocurrent in La2/3Sr1/3MnO3(Co)/quaterthiophene/La2/3Sr1/3MnO3 organic magnetic tunnel junctions

Large tunneling magnetoresistance, perfect spin injection and fully spin-polarized photocurrent are realized in a LSMO/T4/LSMO organic magnetic tunnel junction.

Graphical abstract: Large magnetoresistance and spin-polarized photocurrent in La2/3Sr1/3MnO3(Co)/quaterthiophene/La2/3Sr1/3MnO3 organic magnetic tunnel junctions
Paper

Achieving high discharge energy density and efficiency with NBT-based ceramics for application in capacitors

The 0.94(BNT–BST)–0.06KNN ceramic possesses an excellent stored energy storage density (Ws = ∼3.13 J cm−3), a recoverable energy storage density (Wr = ∼2.65 J cm−3), and maintains a relatively high efficiency (η ∼ 84.6%).

Graphical abstract: Achieving high discharge energy density and efficiency with NBT-based ceramics for application in capacitors
Paper

Diaryl ketone-based hole-transporting materials for efficient perovskite solar cells

For the first time, dipyridyl ketone and benzophenone were used as the core structure to synthesize new hole transport materials.

Graphical abstract: Diaryl ketone-based hole-transporting materials for efficient perovskite solar cells
Paper

Luminescent switching and structural transition through multiple external stimuli based on organic molecular polymorphs

Investigations on the relationship between multi-stimuli responsive luminescent properties and aggregation structures of polymorphs play a crucial role in developing organic multi-stimuli responsive luminescent (OMSRL) materials.

Graphical abstract: Luminescent switching and structural transition through multiple external stimuli based on organic molecular polymorphs
Paper

Vacuum-assisted annealing method for high efficiency printable large-area polymer solar cell modules

We demonstrated that by being annealed under an easily attainable vacuum, the blade coated active layer showed almost the same phase separation morphology and photovoltaic performance as did a spin-coated device.

Graphical abstract: Vacuum-assisted annealing method for high efficiency printable large-area polymer solar cell modules
Paper

Thermally self-managing YAG:Ce–Al2O3 color converters enabling high-brightness laser-driven solid state lighting in a transmissive configuration

High-brightness laser-driven white light can be achieved by just controlling the Al2O3 content and/or the thickness of YAG:Ce–Al2O3 composite ceramics under blue laser excitation in a transmissive configuration.

Graphical abstract: Thermally self-managing YAG:Ce–Al2O3 color converters enabling high-brightness laser-driven solid state lighting in a transmissive configuration
Paper

Large area perovskite light-emitting diodes by gas-assisted crystallization

An anti-solvent free facile solution processing technique for fabricating perovskite light emitting diodes (PeLEDs), and scaling it up to large areas by slot-die coating.

Graphical abstract: Large area perovskite light-emitting diodes by gas-assisted crystallization
Paper

Template-free synthesis of Na0.5Bi2.5Ta2O9/Bi4TaO8Cl nano-heterostructures via a one-pot molten salt reaction for efficient photocatalysis

We present a simple, environmentally friendly, and one-pot template free method for fabricating Na0.5Bi2.5Ta2O9/Bi4TaO8Cl nano-heterostructure photocatalysts.

Graphical abstract: Template-free synthesis of Na0.5Bi2.5Ta2O9/Bi4TaO8Cl nano-heterostructures via a one-pot molten salt reaction for efficient photocatalysis
Paper

Lead-free hybrid ferroelectric material based on formamidine: [NH2CHNH2]3Bi2I9

Novel room-temperature ferroelectric crystals with complex sequences of phase transitions.

Graphical abstract: Lead-free hybrid ferroelectric material based on formamidine: [NH2CHNH2]3Bi2I9
Paper

Flexible-color tuning and white-light emission in three-, four-, and five-component host/guest co-crystals by charge-transfer emissions as well as effective energy transfers

A series of multi-color and white-light photoluminescence host/guest cocrystals were prepared by cooperative multi-molecular assemblies.

Graphical abstract: Flexible-color tuning and white-light emission in three-, four-, and five-component host/guest co-crystals by charge-transfer emissions as well as effective energy transfers
Paper

Highly-facile template-based selective electroless metallization of micro- and nanopatterns for plastic electronics and plasmonics

A novel and universal patterned electroless metallization process for creating micro- and nanoscale metallic structures on plastic substrates is demonstrated.

Graphical abstract: Highly-facile template-based selective electroless metallization of micro- and nanopatterns for plastic electronics and plasmonics
Paper

Sensing carbon dioxide through a solution transparency change in gas-responsive polymers

An aqueous solution of CO2-responsive polymers is used to sense the amount of gas through either an abrupt change in transmittance at a threshold CO2 concentration or a gradual change with the increase in the CO2 concentration.

Graphical abstract: Sensing carbon dioxide through a solution transparency change in gas-responsive polymers
Paper

Interfacial engineering for highly efficient quasi-two dimensional organic–inorganic hybrid perovskite light-emitting diodes

Metal halide-based perovskites are regarded as promising candidates for light-emitting diodes (LEDs) owing to their high color purity, tunable bandgap and solution processability.

Graphical abstract: Interfacial engineering for highly efficient quasi-two dimensional organic–inorganic hybrid perovskite light-emitting diodes
Paper

Highly efficient green single-emitting layer phosphorescent organic light-emitting diodes with an iridium(III) complex as a hole-type sensitizer

The electroluminescent (EL) performances of a green iridium complex tris(2-(4-tolyl)phenylpyridine)iridium Ir(mppy)3 were significantly improved by employing another hole-type iridium complex as a sensitizer.

Graphical abstract: Highly efficient green single-emitting layer phosphorescent organic light-emitting diodes with an iridium(iii) complex as a hole-type sensitizer
Paper

Optimized orientation and enhanced thermoelectric performance in Sn0.97Na0.03Se with Te addition

An unconventional liquid-phase compaction method was used to prepare Sn0.97Na0.03Se thermoelectric materials, leading to high oritentation with excellent electrical properties.

Graphical abstract: Optimized orientation and enhanced thermoelectric performance in Sn0.97Na0.03Se with Te addition
Paper

Highly efficient green and red electroluminescence with an extremely low efficiency roll-off based on iridium(III) complexes containing a bis(diphenylphorothioyl)amide ancillary ligand

Two green and red Ir(III) complexes were applied in single/double-emissive-layer OLEDs with an EQEmax of 30.8% and 18.3%, respectively, and an extremely low efficiency roll-off.

Graphical abstract: Highly efficient green and red electroluminescence with an extremely low efficiency roll-off based on iridium(iii) complexes containing a bis(diphenylphorothioyl)amide ancillary ligand
Paper

Absence of delayed fluorescence and triplet–triplet annihilation in organic light emitting diodes with spatially orthogonal bianthracenes

10,10′-Diphenyl-9,9′-bianthracene (PPBA) does not generate T1 excitons in OLEDs, and RISC at a higher excited state is suggested.

Graphical abstract: Absence of delayed fluorescence and triplet–triplet annihilation in organic light emitting diodes with spatially orthogonal bianthracenes
Paper

Triphenylethylene-based biimidazoles showing preferable detection of explosives and their rhenium complexes undergoing chiral and cistrans transformations

For the first time rhenium-containing biimidazoles have been structurally reported with two triphenylethylene units following chiral and cistrans transformations simultaneously for effective detection of explosives.

Graphical abstract: Triphenylethylene-based biimidazoles showing preferable detection of explosives and their rhenium complexes undergoing chiral and cis–trans transformations
Paper

Fluorescein-based fluorescent porous aromatic framework for Fe3+ detection with high sensitivity

Highly sensitive detection of Fe3+ was achieved using a fluorescein-based fluorescent porous aromatic framework.

Graphical abstract: Fluorescein-based fluorescent porous aromatic framework for Fe3+ detection with high sensitivity
Paper

Relationship between molecular structures of uniquely designed C2-symmetric axially chiral dopants and their helical twisting properties in cholesteric liquid crystals

9,9′-biphenanthrene-type chiral dopants were newly synthesized for the development of functional liquid crystal (LC) materials with enhanced properties. A cholesteric LC (CLC) with a chiral dopant showed positive temperature dependence of helical twisting power and a CLC with temperature independence was developed by mixing two types of chiral dopants.

Graphical abstract: Relationship between molecular structures of uniquely designed C2-symmetric axially chiral dopants and their helical twisting properties in cholesteric liquid crystals
Paper

Tunable electronic structure and magnetic anisotropy of two dimensional van der Waals GeS/FeCl2 multiferroic heterostructures

The spin channels at the CBM and VBM are reversed in GeS/1T-FeCl2 when the strain applied is in-plane.

Graphical abstract: Tunable electronic structure and magnetic anisotropy of two dimensional van der Waals GeS/FeCl2 multiferroic heterostructures
Paper

Broadband NIR emission from multiple Bi centers in nitridated borogermanate glasses via tailoring local glass structure

The introduction of nitride into Bi-doped multi-component glasses enhances and broadens Bi NIR emission.

Graphical abstract: Broadband NIR emission from multiple Bi centers in nitridated borogermanate glasses via tailoring local glass structure
Paper

A new 2D high-pressure phase of PdSe2 with high-mobility transport anisotropy for photovoltaic applications

High-pressure is utilized to realize new 2D layered structures in PdSe2 with high-mobility transport anisotropy for photovoltaic applications.

Graphical abstract: A new 2D high-pressure phase of PdSe2 with high-mobility transport anisotropy for photovoltaic applications
Paper

Titanate hollow nanospheres as electron-transport layer in mesoscopic perovskite solar cell with enhanced performance

Uniform titanate hollow nanospheres were explored as electron-transport layer in perovskite solar cell having an efficiency of over 17%, outperforming that of pristine TiO2.

Graphical abstract: Titanate hollow nanospheres as electron-transport layer in mesoscopic perovskite solar cell with enhanced performance
Paper

Lead-free A2Bi4Ti5O18 thin film capacitors (A = Ba and Sr) with large energy storage density, high efficiency, and excellent thermal stability

The energy storage performance of Ba2Bi4Ti5O18 thin film (left) and the atomic schematic structure of A2Bi4Ti5O18 (right).

Graphical abstract: Lead-free A2Bi4Ti5O18 thin film capacitors (A = Ba and Sr) with large energy storage density, high efficiency, and excellent thermal stability
Paper

Exfoliation of borophenes from silver substrates assisted by Li/Mg atoms—a density functional theory study

Li/Mg atom adsorption or intercalation makes the exfoliation of monolayer borophenes from silver substrates much easier.

Graphical abstract: Exfoliation of borophenes from silver substrates assisted by Li/Mg atoms—a density functional theory study
Paper

Selectively instant-response nanofibers with a fluorescent chemosensor toward phosgene in gas phase

A novel molecular design of a fluorescent chemosensor together with its polymer nanofibrous membrane for instant response to gaseous phosgene.

Graphical abstract: Selectively instant-response nanofibers with a fluorescent chemosensor toward phosgene in gas phase
Paper

Strongly luminescent inorganic–organic hybrid semiconductors with tunable white light emissions by doping

Tunable white light emissions from copper bromide based inorganic–organic hybrid semiconductors have been observed upon doping.

Graphical abstract: Strongly luminescent inorganic–organic hybrid semiconductors with tunable white light emissions by doping
Paper

Seeded-mediated growth of ternary Ag–In–S and quaternary Ag–In–Zn–S nanocrystals from binary Ag2S seeds and the composition-tunable optical properties

Ternary AgInS2 and quaternary Ag–In–Zn–S nanocrystals, which could be partially exchanged with either In3+ or Zn2+ ions, were synthesized by using a seeded-mediated growth method.

Graphical abstract: Seeded-mediated growth of ternary Ag–In–S and quaternary Ag–In–Zn–S nanocrystals from binary Ag2S seeds and the composition-tunable optical properties
Paper

Prediction of new ZnS–CaS alloys with anomalous electronic properties

ZnS–CaS alloys have great potential for applications in ultraviolet optoelectronic devices due to their large and tunable band gaps.

Graphical abstract: Prediction of new ZnS–CaS alloys with anomalous electronic properties
Paper

Monitoring the crystal orientation of black-arsenic via vibrational spectra

In this study, the structural, mechanical, and vibrational properties of a recently discovered anisotropic ultra-thin material, black-arsenic (b-As), are investigated by using density functional theory.

Graphical abstract: Monitoring the crystal orientation of black-arsenic via vibrational spectra
Paper

Amphiphilic iron(II) spin crossover coordination polymers: crystal structures and phase transition properties

A cooperative spin transition and thin platelet formation is observed for 1D coordination polymers of amphiphilic iron(II) spin crossover complexes.

Graphical abstract: Amphiphilic iron(ii) spin crossover coordination polymers: crystal structures and phase transition properties
Paper

Selective self-redox and crystal field modulation for enhanced and tuned broadband emission in chromium-doped aluminate glasses

Selective self-redox and crystal field modulation have been demonstrated for enhanced and tuned broadband emission in chromium-doped versatile glass. The emission intensity was enhanced by more than one order, and a new band at ∼708 nm was generated to enrich emission region.

Graphical abstract: Selective self-redox and crystal field modulation for enhanced and tuned broadband emission in chromium-doped aluminate glasses
Paper

A bismuthene-based multifunctional all-optical phase and intensity modulator enabled by photothermal effect

Based on the excellent photothermal effect in few-layer bismuthene, an all-optical phase and intensity modulator has been designed and successfully verified with multifunctional properties, including phase shifting, wavelength tuning, intensity modulating and information loading.

Graphical abstract: A bismuthene-based multifunctional all-optical phase and intensity modulator enabled by photothermal effect
Paper

Inorganic CsBi3I10 perovskite/silicon heterojunctions for sensitive, self-driven and air-stable NIR photodetectors

We report on the fabrication of a high-performance photodetector based on an inorganic CsBi3I10 perovskite/silicon heterojunction.

Graphical abstract: Inorganic CsBi3I10 perovskite/silicon heterojunctions for sensitive, self-driven and air-stable NIR photodetectors
Paper

MnFe0.5Ru0.5O3: an above-room-temperature antiferromagnetic semiconductor

MnFe0.5Ru0.5O3 is discovered at 6 GPa and 1873 K.

Graphical abstract: MnFe0.5Ru0.5O3: an above-room-temperature antiferromagnetic semiconductor
Paper

Influence of hole transport material ionization energy on the performance of perovskite solar cells

Here we show that the Voc in perovskite solar cells primarily depends on direct and trap-mediated recombination, rather than on the energetic offset between the valence band of the perovskite and the highest occupied molecular orbital of the organic transport layers.

Graphical abstract: Influence of hole transport material ionization energy on the performance of perovskite solar cells
Paper

Realizing significant dielectric dispersion of composites based on highly conducting silver-coated glass microspheres for wide-band non-magnetic microwave absorbers

Dielectric MAMs based on significant microwave dielectric dispersion and quarter-wavelength resonance exhibit an absorption bandwidth of at least 11.8 GHz for A reflection loss ≤−8.0 dB.

Graphical abstract: Realizing significant dielectric dispersion of composites based on highly conducting silver-coated glass microspheres for wide-band non-magnetic microwave absorbers
Paper

Optical limiting properties of a few-layer MoS2/PMMA composite under excitation of ultrafast laser pulses

Few-layer MoS2/PMMA composite solid bulks with remarkable optical limiting properties in both femtosecond and picosecond domains have been successfully demonstrated.

Graphical abstract: Optical limiting properties of a few-layer MoS2/PMMA composite under excitation of ultrafast laser pulses
Paper

Significantly conquering moisture-induced luminescence quenching of red line-emitting phosphor Rb2SnF6:Mn4+ through H2C2O4 triggered particle surface reduction for blue converted warm white light-emitting diodes

A highly stable red phosphor Rb2SnF6:Mn4+ is achieved by appropriate reduction treatment using a low concentration of H2C2O4.

Graphical abstract: Significantly conquering moisture-induced luminescence quenching of red line-emitting phosphor Rb2SnF6:Mn4+ through H2C2O4 triggered particle surface reduction for blue converted warm white light-emitting diodes
Paper

Artificial synapses emulated through a light mediated organic–inorganic hybrid transistor

An artificial synapse emulated through a light mediated organic–inorganic hybrid transistor is reported by combining electronic and photoactive modes of operation. These photoactive synapses with metaplasticity effects pave the way for multifunctional neuromorphic computing systems.

Graphical abstract: Artificial synapses emulated through a light mediated organic–inorganic hybrid transistor
58 items

About this collection

This on-going web collection features all the articles published in Journal of Materials Chemistry C in 2019 marked as HOT, as recommended by referees.  Congratulations to all the authors whose articles are featured!

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