Themed collection Journal of Materials Chemistry C HOT Papers

211 items - Showing page 1 of 4
Perspective

2D and quasi-2D hybrid perovskites containing organic cations with an extended conjugated system: opportunities and challenges

Hybrid perovskites containing organic cations with an extended conjugated system are an upcoming class of hybrid semiconductors for optoelectronics. We review the opportunities and challenges associated with these versatile materials.

Graphical abstract: 2D and quasi-2D hybrid perovskites containing organic cations with an extended conjugated system: opportunities and challenges
From the themed collection: Journal of Materials Chemistry C HOT Papers
Perspective

Symmetry breaking: an efficient structure design of nonfullerene acceptors to reduce the energy loss in organic solar cells

This perspective summarizes the recently encouraging progress of asymmetric fused ring electron acceptors and tries to show a picture of the relationship between the asymmetric molecular structure, energy loss and device performance.

Graphical abstract: Symmetry breaking: an efficient structure design of nonfullerene acceptors to reduce the energy loss in organic solar cells
Review Article

Perovskite material-based memristors for applications in information processing and artificial intelligence

This paper systematically reviews the preparation technologies, research progress, and typical applications of perovskite material-based memristors.

Graphical abstract: Perovskite material-based memristors for applications in information processing and artificial intelligence
Review Article

Wearable electrochromic materials and devices: from visible to infrared modulation

This review systematically introduces and discusses the recent advances and progress in wearable electrochromic devices with optical modulation from the visible to infrared range.

Graphical abstract: Wearable electrochromic materials and devices: from visible to infrared modulation
Review Article

Recent progress of copper halide perovskites: properties, synthesis and applications

Improvement in the synthesis of copper halide perovskites is fundamental in applications of different areas including LEDs, energy harvesting, detection, etc., and further highlights the direction for future research.

Graphical abstract: Recent progress of copper halide perovskites: properties, synthesis and applications
Review Article

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.

Graphical abstract: Carbon-rich macrocycles and carbon nanoribbons as unique optical materials
From the themed collection: Journal of Materials Chemistry C HOT Papers
Review Article

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.

Graphical abstract: Review on the promising roles of alkali metals toward highly efficient perovskite light-emitting diodes
Communication

Liquid metal-based printing synthesis of bismuth-doped gallium oxide and its application for a photodetector

Bi-doped gallium oxide thin films were prepared via van der Waals printing technology and exhibit excellent optoelectronic detection performance.

Graphical abstract: Liquid metal-based printing synthesis of bismuth-doped gallium oxide and its application for a photodetector
From the themed collection: Journal of Materials Chemistry C HOT Papers
Communication

Towards bubble-free, centimeter-sized bilayer graphene enabled by backside lamination

Bubble-free bilayer graphene has been fabricated by directly dry-laminating the clean backsides of two single graphene layers with designed asymmetric transfer media.

Graphical abstract: Towards bubble-free, centimeter-sized bilayer graphene enabled by backside lamination
From the themed collection: Journal of Materials Chemistry C HOT Papers
Communication

Versatile chewed gum composites with liquid metal for strain sensing, electromagnetic interference shielding and flexible electronics

Versatile chewed gum composites with liquid metal were constructed by the stretch-knead-roller coating method for the high-value utilization of discarded gum waste.

Graphical abstract: Versatile chewed gum composites with liquid metal for strain sensing, electromagnetic interference shielding and flexible electronics
From the themed collection: Journal of Materials Chemistry C HOT Papers
Communication

A nonbenzenoid acepleiadylene derivative with small band gap for near-infrared organic phototransistors

A new nonbenzenoid acepleiadylene derivative (APD-DPP) has been synthesized, exhibiting NIR absorption and a higher charge mobility than its pyrene-based isomers. These features have enabled its application in high-performance NIR photodetectors.

Graphical abstract: A nonbenzenoid acepleiadylene derivative with small band gap for near-infrared organic phototransistors
Open Access Communication

The role of the degree of polymerization in the chiroptical properties of dynamic asymmetric poly(diphenylacetylene)s

The chiroptical properties of an asymmetric poly(diphenylacetylene) are related to the degree of polymerization, being opposite for polymers and oligomers.

Graphical abstract: The role of the degree of polymerization in the chiroptical properties of dynamic asymmetric poly(diphenylacetylene)s
From the themed collection: Journal of Materials Chemistry C HOT Papers
Communication

Theoretical investigation of the non-metal sites of two-dimensional conjugated metal–organic frameworks based on benzenehexathiol for hydrogen evolution activity enhancement

Interlayer interactions are proved to be essential in determining the accurate active site of metal–benzenehexathiol (M–BHT) for hydrogen evolution and Mo–BHT is predicted to be a new promising member of the family of highly active M–BHT catalysts.

Graphical abstract: Theoretical investigation of the non-metal sites of two-dimensional conjugated metal–organic frameworks based on benzenehexathiol for hydrogen evolution activity enhancement
From the themed collection: Journal of Materials Chemistry C HOT Papers
Open Access Communication

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).

Graphical abstract: A photo-responsive organic electrochemical transistor
From the themed collection: Journal of Materials Chemistry C HOT Papers
Communication

Asymmetric diarylamine guests for a host–guest system with stimulus-responsive room temperature phosphorescence

The Förster resonance energy transfer (FRET) process has been utilized to construct host–guest systems with stimuli-responsive room-temperature phosphorescence (RTP).

Graphical abstract: Asymmetric diarylamine guests for a host–guest system with stimulus-responsive room temperature phosphorescence
From the themed collection: Photofunctional Materials and Transformations
Communication

Screen printing of stretchable silver nanomaterial inks for a stable human–machine interface

This paper proposes a strategy for the large-scale preparation of stretchable silver inks, which can be applied to fabricate a conformal on-skin electrode array via screen printing for a stable human–machine interface.

Graphical abstract: Screen printing of stretchable silver nanomaterial inks for a stable human–machine interface
From the themed collection: Journal of Materials Chemistry C HOT Papers
Communication

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.

Graphical abstract: Solution-processed single-emissive-layer WOLEDs with high efficiency and ultra-high color rendering index beyond 90
From the themed collection: Photofunctional Materials and Transformations
Communication

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.

Graphical abstract: Amplification of dissymmetry factors by dihedral angle engineering in donor–acceptor type circularly polarized luminescence materials
From the themed collection: Journal of Materials Chemistry C HOT Papers
Communication

Tuning CPL by helical pitch modulation in helically flexible small organic multichromophores

Modulating the helical pitch by simply playing with steric effects in a series of helically flexible BODIPY dimers allows easy tuning of the luminescence dissymmetry factors associated with their circularly polarized emissions.

Graphical abstract: Tuning CPL by helical pitch modulation in helically flexible small organic multichromophores
From the themed collection: Journal of Materials Chemistry C HOT Papers
Communication

Boosting organic room-temperature phosphorescence performance through joint luminescence sensitization

Boosting organic room-temperature phosphorescence performance through luminescence sensitization involving multi-step energy transfer.

Graphical abstract: Boosting organic room-temperature phosphorescence performance through joint luminescence sensitization
From the themed collection: Journal of Materials Chemistry C HOT Papers
Paper

Fast solution-phase growth of centimeter-sized Cs3Cu2X5 (X = Cl, I) single crystals for high-performance scintillators

Fast and convenient synthesis of zero-dimensional (0D) cesium-copper(I) halide (Cs3Cu2X5 (X = Cl, I)) single crystals (SCs) is critical to achieve practical radiography.

Graphical abstract: Fast solution-phase growth of centimeter-sized Cs3Cu2X5 (X = Cl, I) single crystals for high-performance scintillators
From the themed collection: Journal of Materials Chemistry C HOT Papers
Open Access Paper

Charge transfer properties of novel linear carbon chain-based dyes

Dyes with unique donor and acceptor groups outperformed phenothiazine (PTZ)-containing counterparts. 2-amine pyrrole donor induced faster charge transfer (qCT) than PTZ. qCT values reveal that the pyridinium acceptor group enhances charge separation.

Graphical abstract: Charge transfer properties of novel linear carbon chain-based dyes
From the themed collection: Molecular scale electronics
Paper

Additive-regulated one-step dynamic spin-coating for fabricating high-performance perovskite solar cells under high humidity conditions

Perovskite films fabricated using a one-step dynamic spin-coating process under high humidity conditions (45–55% RH).

Graphical abstract: Additive-regulated one-step dynamic spin-coating for fabricating high-performance perovskite solar cells under high humidity conditions
From the themed collection: Journal of Materials Chemistry C HOT Papers
Open Access Paper

Understanding trends in conductivity in four isostructural multifunctional crystals of Se substituted bis-dithiazolyl radicals

To understand the trends in conductivity in bisdithiazolyl-type radical-based molecular materials, one needs to master a holistic view of the parameters governing the charge transport process (namely, λ, HDA, topology of conduction paths, and ρc).

Graphical abstract: Understanding trends in conductivity in four isostructural multifunctional crystals of Se substituted bis-dithiazolyl radicals
From the themed collection: Molecular scale electronics
Paper

Tunable ultra-broadband multi-band NIR emission in Bi-doped aluminogermanate glasses and fibers via controllable Al2O3 content for broadband amplifiers

The tunable ultra-broadband multi-band NIR emission of Bi-doped germanate glass and fiber can be achieved via constructing various glass local network environments with steerable Al2O3 content and show potential applications in broadband amplifiers.

Graphical abstract: Tunable ultra-broadband multi-band NIR emission in Bi-doped aluminogermanate glasses and fibers via controllable Al2O3 content for broadband amplifiers
From the themed collection: Journal of Materials Chemistry C HOT Papers
Paper

Unconventional stoichiometric two-dimensional potassium nitrides with anion-driven metallicity and superconductivity

The design of compounds with interesting coordination geometries, exotic oxidation states, and intriguing properties is of fundamental interest in physics, chemistry, and materials science.

Graphical abstract: Unconventional stoichiometric two-dimensional potassium nitrides with anion-driven metallicity and superconductivity
From the themed collection: Journal of Materials Chemistry C HOT Papers
Paper

Construction of a hollow nickel–magnesium ferrite decorated nitrogen-doped reduced graphene oxide composite aerogel for highly efficient and broadband microwave absorption

In this work, nitrogen-doped reduced graphene oxide/hollow nickel–magnesium ferrite composite aerogel was prepared, which had a unique three-dimensional porous network structure, broadband and high-efficiency microwave absorption performance.

Graphical abstract: Construction of a hollow nickel–magnesium ferrite decorated nitrogen-doped reduced graphene oxide composite aerogel for highly efficient and broadband microwave absorption
From the themed collection: Journal of Materials Chemistry C HOT Papers
Paper

A wet-resistant and low-temperature self-healing organohydrogel sensor towards direction-recognition and information transmission in extreme environments

A superior self-healing organohydrogel with multi-environmental stability for direction-recognition and information transmission under humid environments and low-temperature conditions.

Graphical abstract: A wet-resistant and low-temperature self-healing organohydrogel sensor towards direction-recognition and information transmission in extreme environments
From the themed collection: Journal of Materials Chemistry C HOT Papers
Paper

Magnetic order in a quenched-high-temperature-phase of Cu-doped MnBi

Cu-doped MnBi crystals adopt a new type of high-temperature phase of the well-known permanent magnet, MnBi. The magnetic diagram demonstrates the evolution of magnetic orders along with increasing concentration of Cu in such a system.

Graphical abstract: Magnetic order in a quenched-high-temperature-phase of Cu-doped MnBi
From the themed collection: Journal of Materials Chemistry C HOT Papers
Paper

Ultrahigh phase-transition electric field and giant energy density in NaNbO3–Bi(Zn0.5Sn0.5)O3 lead-free antiferroelectric ceramics

Synergistic effect of reduced off-centering displacements of B-site cations, enhanced antiferrodistortive and decreased AFE domain size leads to significantly enhanced EAF of ≥45 kV mm−1 and Wrec of ∼5.5 J cm−3 in NaNbO3-based lead-free ceramics.

Graphical abstract: Ultrahigh phase-transition electric field and giant energy density in NaNbO3–Bi(Zn0.5Sn0.5)O3 lead-free antiferroelectric ceramics
From the themed collection: Journal of Materials Chemistry C HOT Papers
Paper

A mid-IR tunable graphene metasurface for ultrasensitive molecular fingerprint retrieval and refractive index sensing

Using the electrically tunable nature of graphene in the mid-IR range, a one-to-many mapping strategy between the metasurface and spectral signals is presented for ultrasensitive molecular fingerprint detection and refractive index sensing.

Graphical abstract: A mid-IR tunable graphene metasurface for ultrasensitive molecular fingerprint retrieval and refractive index sensing
From the themed collection: Journal of Materials Chemistry C HOT Papers
Paper

Superior energy storage performance and ultrafast discharge of NBBT-based ceramics via introducing linear dielectric additives and rare earth oxides

Ferroelectric ceramics have low energy storage performance due to their nearly square hysteresis loops and low dielectric breakdown strength, which affects their practical applications for high-power energy storage capacitors.

Graphical abstract: Superior energy storage performance and ultrafast discharge of NBBT-based ceramics via introducing linear dielectric additives and rare earth oxides
From the themed collection: Journal of Materials Chemistry C HOT Papers
Paper

Skin-mimetic tough polyurethane ionogel for use in soft ionotronics

An artificial skin that simulates not only the mechanical performance but also the conductive behavior of natural skin is developed based on a zwitterionic polyurethane ionogel, which could be used as wearable sensors.

Graphical abstract: Skin-mimetic tough polyurethane ionogel for use in soft ionotronics
From the themed collection: Journal of Materials Chemistry C HOT Papers
Paper

Reducing intersystem crossing rates of boron emitters for high-efficiency and long-lifetime deep-blue OLEDs

An external quantum efficiency of 6.7% and a long operational lifetime of 136 h at 1000 cd m−2 were simultaneously realized for organic light-emitting diodes based on the deep-blue boron emitter (B-N-S-3), owing to the reduced intersystem crossing rate of the emitter.

Graphical abstract: Reducing intersystem crossing rates of boron emitters for high-efficiency and long-lifetime deep-blue OLEDs
From the themed collection: Journal of Materials Chemistry C HOT Papers
Paper

Efficiency enhancement of dopant-free perovskite solar cells by employing fluoro-substituted electron donor–electron acceptor type polymeric hole-transporting materials

PBCz-FBTz with fluoro-substituents exhibits superior hole transport properties and passivation effects to PBCz-BTz. The devices employing PBCz-FBTz as dopant-free hole-transporting material show a champion PCE of 20.71% with excellent stability.

Graphical abstract: Efficiency enhancement of dopant-free perovskite solar cells by employing fluoro-substituted electron donor–electron acceptor type polymeric hole-transporting materials
From the themed collection: Journal of Materials Chemistry C HOT Papers
Paper

The role of terminal coordinated amides in a series of Ca-tatb frameworks: pore size regulation and fluorescence sensing tunability

Amide solvents were used as terminal coordinated molecules to tune the pore sizes of Ca-MOFs, achieving the pore size controllable fluorescence sensing performance towards trinitrophenol (TNP).

Graphical abstract: The role of terminal coordinated amides in a series of Ca-tatb frameworks: pore size regulation and fluorescence sensing tunability
From the themed collection: Journal of Materials Chemistry C HOT Papers
Paper

Piezochromism and anomalous near-infrared luminescence evolution of BaCuSi4O10 and BaCuSi2O6via pressure-induced phase transition

Piezochromism of BaCuSi4O10 and BaCuSi2O6 during compression, and the evolution of near-infrared luminescence with pressure.

Graphical abstract: Piezochromism and anomalous near-infrared luminescence evolution of BaCuSi4O10 and BaCuSi2O6via pressure-induced phase transition
From the themed collection: Journal of Materials Chemistry C HOT Papers
Paper

A complete explanation of the plasmonic colours of gold nanoparticles and of the bichromatic effect

Gold nanoparticles are known for their red or violet colours in transmission related to the localized plasmon resonance. They can sometimes generate an orange colour in reflection. These properties make them a new type of colouring pigment.

Graphical abstract: A complete explanation of the plasmonic colours of gold nanoparticles and of the bichromatic effect
From the themed collection: Journal of Materials Chemistry C HOT Papers
Paper

Superhydrophobic coating with a micro- and nano-sized MnO2/PDMS composite structure for passive anti-icing/active de-icing and photothermal applications

The prepared coating had good superhydrophobic and photothermal de-icing properties. It could be applied to personal thermal management, oil–water separation and solar-steam generation.

Graphical abstract: Superhydrophobic coating with a micro- and nano-sized MnO2/PDMS composite structure for passive anti-icing/active de-icing and photothermal applications
From the themed collection: Journal of Materials Chemistry C HOT Papers
Paper

Design and synthesis of non-fused non-fullerene acceptors containing naphthobisthiadiazole for organic solar cells

Two non-fullerene acceptors containing naphtho[1,2-c:5,6-c′]bis([1,2,5]thiadiazole) moieties with fluorinated and chlorinated dicyanomethylidene-indan-1-one units as the flanking end-groups were developed and used for constructing organic solar cells.

Graphical abstract: Design and synthesis of non-fused non-fullerene acceptors containing naphthobisthiadiazole for organic solar cells
From the themed collection: Journal of Materials Chemistry C HOT Papers
Paper

Simultaneously enhancing the performance of perovskite solar cells and suppressing lead leakage via an interface modification strategy

The non-radiative recombination caused by perovskite and its relevant interfaces greatly impedes further improvement of the efficiency and stability of PSCs, hindering their further commercialization.

Graphical abstract: Simultaneously enhancing the performance of perovskite solar cells and suppressing lead leakage via an interface modification strategy
From the themed collection: Journal of Materials Chemistry C HOT Papers
Paper

Engineered current path of vertical organic phototransistors for smart optoelectronic applications

A multifunctional vertical organic phototransistor for smart optoelectronic applications has been demonstrated by precisely engineering the current path.

Graphical abstract: Engineered current path of vertical organic phototransistors for smart optoelectronic applications
From the themed collection: Journal of Materials Chemistry C HOT Papers
Paper

Hypersensitive ratiometric temperature sensing in a bimetallic lanthanide metal–organic framework

The bimetallic Ln-MOFs exhibit temperature dependent luminescent behavior, proving that chemical components would affect the ratiometric luminescent temperature sensing performance.

Graphical abstract: Hypersensitive ratiometric temperature sensing in a bimetallic lanthanide metal–organic framework
From the themed collection: Journal of Materials Chemistry C HOT Papers
Paper

A MOF/hydrogel film-based array sensor for discriminative detection of nitrophenol isomers

A MOF/hydrogel film-based array sensor is prepared and exhibits excellent ability to recognize three nitrophenol isomers.

Graphical abstract: A MOF/hydrogel film-based array sensor for discriminative detection of nitrophenol isomers
From the themed collection: Journal of Materials Chemistry C HOT Papers
Paper

Lead-free double-perovskite Cs4CuSb2Cl12 as an efficient saturable absorber for Q-switched mode-locking fiber lasers

The lead-free double-perovskite Cs4CuSb2Cl12 is used for Q-switched mode-locking an Yb-doped fiber laser with ∼1 μm NIR modulation, high pulse-energy operation and low saturation power, showing huge potential for integration into photonic devices.

Graphical abstract: Lead-free double-perovskite Cs4CuSb2Cl12 as an efficient saturable absorber for Q-switched mode-locking fiber lasers
From the themed collection: Journal of Materials Chemistry C HOT Papers
Open Access Paper

Effect of a benzothiadiazole spacer on transport properties and N-doping of naphthalene-diimide-based copolymers

Incorporation of a benzothiadiazole moiety into a thiophene and naphthalene diimide-based copolymer improves electron mobility, conductivity and stability in the doped state.

Graphical abstract: Effect of a benzothiadiazole spacer on transport properties and N-doping of naphthalene-diimide-based copolymers
From the themed collection: Journal of Materials Chemistry C HOT Papers
Paper

An ultra-flexible temperature-insensitive strain sensor

Using a sensor material consisting of a conductive polymer and Ag nanoparticles, an ultra-flexible temperature-insensitive strain sensor is developed with a minimum bending radius of 0.14 mm and temperature coefficient of resistance of 0.11% K−1.

Graphical abstract: An ultra-flexible temperature-insensitive strain sensor
From the themed collection: Journal of Materials Chemistry C HOT Papers
Paper

Beneficial effects of tensile strain on charge carrier lifetime in metal halide perovskites containing halogen vacancies

Direct and trap-assisted recombination of electrons and holes is suppressed by applying tensile strain in lead halide perovskites containing halogen vacancies.

Graphical abstract: Beneficial effects of tensile strain on charge carrier lifetime in metal halide perovskites containing halogen vacancies
From the themed collection: Journal of Materials Chemistry C HOT Papers
Paper

Phosphorylation amplified asymmetry of spiro[acridine-9,9′-xanthene] hosts for efficient blue and white thermal activated delay fluorescent diodes

“Molecular asymmetry” for spiro host development led to synergy between functional group and asymmetric core in electronic and steric effects, rendering ∼100% photoluminescence quantum yield and top-rank efficiencies of 69.3 lm W−1 and 22.9% from the single-emissive-lay TADF WOLEDs.

Graphical abstract: Phosphorylation amplified asymmetry of spiro[acridine-9,9′-xanthene] hosts for efficient blue and white thermal activated delay fluorescent diodes
From the themed collection: Journal of Materials Chemistry C HOT Papers
Paper

Ferrovalley and topological phase transition behavior in monolayer Ru(OH)2

Monolayer Ru(OH)2 is an FV semiconductor with a high Curie temperature, and it also exhibits topological phase transition behavior under strain.

Graphical abstract: Ferrovalley and topological phase transition behavior in monolayer Ru(OH)2
From the themed collection: Journal of Materials Chemistry C HOT Papers
Paper

High piezoelectric, dielectric relaxation and semiconductor properties in a one-dimensional organic–inorganic hybrid complex: [2-methyl-1,5-pentanediamine][BiCl5]

Molecular-based multifunctional material [2-methyl-1,5-pentanediamine][BiCl5] has interesting properties, such as phase transition, piezoelectric, second harmonic generation, dielectric relaxation, semiconductor and so on.

Graphical abstract: High piezoelectric, dielectric relaxation and semiconductor properties in a one-dimensional organic–inorganic hybrid complex: [2-methyl-1,5-pentanediamine][BiCl5]
From the themed collection: Journal of Materials Chemistry C HOT Papers
Paper

Achieving dynamic quintuple-mode luminescence in Ca3Ti2O7:Pr3+,Er3+ phosphor for anti-counterfeiting applications

In this work, we have synthesized Ca3Ti2O7:Pr3+, Er3+ phosphors with PL, LPL, PSL, UCL, and ML phenomena. Based on the skillful cooperation of PSL and UCL, dynamic anti-counterfeiting technology has been realized by modulating the 980 nm laser.

Graphical abstract: Achieving dynamic quintuple-mode luminescence in Ca3Ti2O7:Pr3+,Er3+ phosphor for anti-counterfeiting applications
From the themed collection: Journal of Materials Chemistry C HOT Papers
Paper

B/N/O-participated multi-resonance TADF emitters by a simple peripheral decoration strategy enable high-efficiency electroluminescence with EQEs up to 36.5%

This work reports highly efficient B/N/O-participated multi-resonance thermally activated delayed fluorescence emitters with a simple peripheral decoration strategy, enabling electroluminescence device with external quantum efficiency up to 36.5%.

Graphical abstract: B/N/O-participated multi-resonance TADF emitters by a simple peripheral decoration strategy enable high-efficiency electroluminescence with EQEs up to 36.5%
From the themed collection: Journal of Materials Chemistry C HOT Papers
Paper

Plasma-free metal-assisted chemical etching producing three-dimensional gallium nitride structures

Gallium nitride (GaN) is a third-generation wide bandgap semiconductor well-suited for power electronics and ultraviolet optoelectronics.

Graphical abstract: Plasma-free metal-assisted chemical etching producing three-dimensional gallium nitride structures
From the themed collection: Journal of Materials Chemistry C HOT Papers
Paper

Physical insights into the ultralow lattice thermal conductivity and high thermoelectric performance of bulk LiMTe2 (M = Al, Ga)

Lattice anharmonicity induced ultra-low lattice thermal conductivities, high Seebeck coefficients, and optimum electrical thermal conductivities lead to a high figure of merits in n-type and p-type ternary chalcogenides LiMTe2 (M = Al, Ga).

Graphical abstract: Physical insights into the ultralow lattice thermal conductivity and high thermoelectric performance of bulk LiMTe2 (M = Al, Ga)
From the themed collection: Journal of Materials Chemistry C HOT Papers
Paper

Organic photothermal cocrystal with high stability for efficient solar-driven water evaporation

A novel photothermal conversion cocrystal of TMBZ-TCNB exhibiting 59.46% photothermal efficiency under 808 nm laser radiation. The TMBZ-TCNB-PU interfacial evaporator shows an evaporation efficiency of 63.49% under 1 kW m−2  radiation.

Graphical abstract: Organic photothermal cocrystal with high stability for efficient solar-driven water evaporation
From the themed collection: Journal of Materials Chemistry C HOT Papers
Paper

Layer-by-layer blade-coated organic solar cells with non-halogenated solvents and non-halogenated additive via adjusting morphology and crystallization

Non-halogenated solvent additive DMN induces nucleation and crystal growth of Y6 molecules twice during the LBL blade-coating process, promoting the crystallization and nanoscale phase separation and leading to enhanced PCE of LBL blade-coated OSCs.

Graphical abstract: Layer-by-layer blade-coated organic solar cells with non-halogenated solvents and non-halogenated additive via adjusting morphology and crystallization
From the themed collection: Journal of Materials Chemistry C HOT Papers
Paper

Investigation of sensitive SERS detection via a perovskite-coated Ag nanofilm

A perovskite-coated silver nanofilm substrate realizes high sensitivity detection of probe molecules.

Graphical abstract: Investigation of sensitive SERS detection via a perovskite-coated Ag nanofilm
From the themed collection: Journal of Materials Chemistry C HOT Papers
Paper

Impacts of PbI2 on high-efficiency perovskite solar cells: exploring intercalation orientations and defects

The parallel and vertical intercalations of the layered PbI2 in CsPbI3 result in type-I and type-II band alignments, respectively. The deep-level states caused by certain defects in PbI2 are not active recombination centers.

Graphical abstract: Impacts of PbI2 on high-efficiency perovskite solar cells: exploring intercalation orientations and defects
From the themed collection: Journal of Materials Chemistry C HOT Papers
Paper

3D hierarchical networks constructed from interlayer-expanded MoS2 nanotubes and rGO as high-rate and ultra-stable anodes for lithium/sodium-ion batteries

The MoS2 nanotubes assembled from MoS2 nanosheets are wrapped in rGO. The NC-MoS2@rGO is endowed with ultrahigh capacity, high cycle stability and rate capability. Addition of graphene has a positive effect on battery performance by DFT calculation.

Graphical abstract: 3D hierarchical networks constructed from interlayer-expanded MoS2 nanotubes and rGO as high-rate and ultra-stable anodes for lithium/sodium-ion batteries
From the themed collection: Journal of Materials Chemistry C HOT Papers
Paper

Textile-based electrophoretic electronic paper displays with machine-washable, tailorable, and thermostatic functions for truly wearable displays

The textile-based electrophoretic display has been created and exhibited high contrast ratio, a low voltage, and good stability. The static display clothing and a dynamic display wristband watch show the potential for truly wearable displays.

Graphical abstract: Textile-based electrophoretic electronic paper displays with machine-washable, tailorable, and thermostatic functions for truly wearable displays
From the themed collection: Journal of Materials Chemistry C HOT Papers
Paper

The effect of non-intrinsic factors on pulse discharge and energy releasing performance of dielectric ceramics

The influence of non-intrinsic factors on the charge–discharge performance of energy storage ceramic capacitors is studied, and an ideal test standard for charge–discharge of energy storage ceramic capacitors is proposed.

Graphical abstract: The effect of non-intrinsic factors on pulse discharge and energy releasing performance of dielectric ceramics
From the themed collection: Journal of Materials Chemistry C HOT Papers
Paper

Enhancing upconversion via constructing local energy clusters in lanthanide-doped fluoride nanoparticles

By introducing local energy clusters within the NaGdF4 lattice, the optimal Er3+, Ho3+ and Tm3+ doping concentrations were increased to 8, 8, and 2 mol%, respectively. The UC intensity was enhanced approximately 54.3 times by doping Ca2+.

Graphical abstract: Enhancing upconversion via constructing local energy clusters in lanthanide-doped fluoride nanoparticles
From the themed collection: Journal of Materials Chemistry C HOT Papers
Paper

Ti3+ self-doping in BaTiO3 ceramic for multi-sensor applications: reduced bandgap with maintained ferroelectric properties

Ti3+ self-doped BaTiO3 has been successfully developed as a multifunctional sensor, demonstrating outstanding performance in detecting light intensity, force, and temperature.

Graphical abstract: Ti3+ self-doping in BaTiO3 ceramic for multi-sensor applications: reduced bandgap with maintained ferroelectric properties
From the themed collection: Journal of Materials Chemistry C HOT Papers
Paper

The crucial role of non-conjugated functional groups in the triplet manipulation of heterocycle aromaticity hot exciton materials

Beyond steric effect, non-conjugated functional groups play a crucial role in triplet manipulation of heterocylce aromaticity hot exciton material. A series of new blue-emitting molecules were successfully fabricated with high luminous efficiency.

Graphical abstract: The crucial role of non-conjugated functional groups in the triplet manipulation of heterocycle aromaticity hot exciton materials
From the themed collection: Journal of Materials Chemistry C HOT Papers
Paper

Synthesis, optical and redox attributes of core-/bay-substituted thionated NDIs, PDIs and their diverse radical anions

Synthesis of thirteen diversely functionalized NDIs/PDIs and their radical anions are shown with a large increase in the radical anion stability with the extent of thionation, and hold promise as new open-shell NIR absorbers and redox-catalysts.

Graphical abstract: Synthesis, optical and redox attributes of core-/bay-substituted thionated NDIs, PDIs and their diverse radical anions
From the themed collection: Journal of Materials Chemistry C HOT Papers
Paper

Single crystal growth and phase transition mechanism of KCsMoP2O9 with efficient second harmonic generation via the emerging additional periodic phase technology

The phase transition mechanism of KCMP crystals was revealed and an efficient second harmonic generation output was achieved using emerging additional periodic phase technology.

Graphical abstract: Single crystal growth and phase transition mechanism of KCsMoP2O9 with efficient second harmonic generation via the emerging additional periodic phase technology
From the themed collection: Journal of Materials Chemistry C HOT Papers
Paper

Synthesis of nitrogen-doped graphene aerogels modified by magnetic Fe3O4/Fe/C frameworks as excellent dual-band electromagnetic absorbers

Nitrogen-doped reduced graphene oxide/ferroferric oxide/iron/carbon composite aerogels were prepared, which had a unique three-dimensional porous network structure and excellent dual-band electromagnetic absorption performance.

Graphical abstract: Synthesis of nitrogen-doped graphene aerogels modified by magnetic Fe3O4/Fe/C frameworks as excellent dual-band electromagnetic absorbers
From the themed collection: Journal of Materials Chemistry C HOT Papers
Paper

A synergistic approach to attain high piezoelectricity in a Pb(Ni, Nb)O3–Pb(Lu, Nb)O3–PbTiO3 system

This work exploits the synergistic effect of multiphase coexistence and local structural heterogeneity to achieve high piezoelectricity in relaxor ferroelectric materials.

Graphical abstract: A synergistic approach to attain high piezoelectricity in a Pb(Ni, Nb)O3–Pb(Lu, Nb)O3–PbTiO3 system
From the themed collection: Journal of Materials Chemistry C HOT Papers
Paper

High-loading ultrastable CsPbBr3 perovskite quantum dots in hierarchical silicalite-1 by elimination of co-templates for multimodal optical applications

Hierarchical silicalite-1 co-templated by carbon nanotube and tetrapropylammonium hydroxide was used to confine CsPbBr3 PQDs, showing multiple functions for optical thermometry, fingerprint identification, Fe3+ detection and anti-counterfeiting.

Graphical abstract: High-loading ultrastable CsPbBr3 perovskite quantum dots in hierarchical silicalite-1 by elimination of co-templates for multimodal optical applications
From the themed collection: Journal of Materials Chemistry C HOT Papers
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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!

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