Themed collection Journal of Materials Chemistry C HOT Papers
Superconductors with structural chirality
We here discuss the development of inorganic and organic superconductors having a structural chirality.
J. Mater. Chem. C, 2024,12, 12207-12217
https://doi.org/10.1039/D4TC01719F
Recent advances in passive cooling materials for thermal management in flexible electronics
Flexible electronics has been widely recognized as the future of electronics for a broad range of applications, which is also the foundation for wearable devices that can go or even seamlessly integrate with the human skin.
J. Mater. Chem. C, 2024,12, 12179-12206
https://doi.org/10.1039/D4TC02523G
Artificial spidroin bioelectronic dressings for intelligent wound management
Wound infection has always been a huge threat to human health.
J. Mater. Chem. C, 2024, Advance Article
https://doi.org/10.1039/D4TC02467B
Progress of Ce3+/Eu2+ doped phosphors for violet chip based full-spectra lighting
The research progress of Ce3+/Eu2+ doped phosphors that can be excited by violet light, including the structural models, composition regulation, and spectral tuning, is summarized.
J. Mater. Chem. C, 2024,12, 11209-11241
https://doi.org/10.1039/D4TC02197E
Chiral quantum dots for bioapplications
This article provides a comprehensive review of chiral quantum dots used for bioapplications. The chiral mechanisms, g factor and some bioapplications are also discussed.
J. Mater. Chem. C, 2024,12, 10825-10836
https://doi.org/10.1039/D4TC01979B
Manipulation of photoresponsive liquid-crystalline polymers and their applications: from nanoscale to macroscale
We summarize the molecular design of photoresponsive liquid-crystalline polymers, manipulation at multiple scales and various applications based on their intrinsic properties, providing an opportunity for future development in this field.
J. Mater. Chem. C, 2024,12, 10246-10266
https://doi.org/10.1039/D4TC02213K
On-chip two-dimensional material-based waveguide-integrated photodetectors
In optical systems for communication, sensing, and imaging, integrating optoelectronic and electronic components on-chip to develop optoelectronic applications has become the focus of future research.
J. Mater. Chem. C, 2024,12, 2279-2316
https://doi.org/10.1039/D3TC03679K
Symphony of light: AIE and MFC in carbazole-based cyanostilbenes
Carbazole–cyanostilbene conjugates exhibit promising optical properties, including AIE and MFC. This review explores their diverse applications across various fields, highlighting their unique characteristics and potential impact.
J. Mater. Chem. C, 2024,12, 1923-1944
https://doi.org/10.1039/D3TC04121B
Impact of imine bond orientations on photocatalytic hydrogen generation of benzothiadiazole-based covalent organic frameworks constructed using “two-in-one” monomers
Two benzothiadiazole-based COFs, constructed using “two-in-one” monomers, exhibit significantly different photocatalytic hydrogen generation performances due to their distinct imine bond orientations.
J. Mater. Chem. C, 2024,12, 12249-12253
https://doi.org/10.1039/D4TC02995J
Quantum well thickness control of a hybrid perovskite to achieve a tunable anisotropic photoresponse
The thickness of the quantum well determines the photosensitivity to linearly polarized light in metal-halide perovskite single-crystal devices.
J. Mater. Chem. C, 2024, Advance Article
https://doi.org/10.1039/D4TC02656J
Multiple-Resonant Nitrogen Embedded Nanographenes with High Photoluminence Efficiency and High Colour Purity
J. Mater. Chem. C, 2024, Accepted Manuscript
https://doi.org/10.1039/D4TC02624A
Low-voltage polymer monolayer transistors for high-gain unipolar and complementary logic inverters
Using thin AlOx as dielectrics, low-voltage polymer monolayer TFTs were attained with a SS of 86 mV dec−1. The resultant unipolar and complementary inverters exhibited high voltage gains of 251 V/V at VDD = −3 V and 841 V/V at VDD = 5 V.
J. Mater. Chem. C, 2024,12, 9562-9570
https://doi.org/10.1039/D4TC01715C
Ligand engineering of circularly polarized luminescence inversion and enhancement for chiral Ag6 nanoclusters
Four pairs of chiral Ag6L6 nanoclusters, synthesized using ligand engineering with thiazithione and oxazinthione, exhibit enhanced luminescence quantum yield attributed to S⋯S interactions and demonstrate supramolecular chirality inversion regulated by peripheral methyl and phenyl groups.
J. Mater. Chem. C, 2024,12, 8287-8295
https://doi.org/10.1039/D4TC01280A
C8H6IN3O4: a birefringent crystal induced by uniformly aligned hybrid groups
C8H6IN3O4 exhibits a substantial birefringence of 0.55 at 550 nm, surpassing commercially available birefringent materials, and this phenomenon is attributed to the uniform alignment of π-conjugated [NO3]− and [C8H6IN2O]+ groups.
J. Mater. Chem. C, 2024,12, 5696-5700
https://doi.org/10.1039/D3TC04666D
Rationally designed synthesis of bright Cu–Ga–Zn–Se-based nanocrystals for efficient green quantum-dot light-emitting diodes
Cd-free QLEDs with tunable emission from 603 to 524 nm were constructed by regulating the non-stoichiometric Cu : Ga molar ratio, and the green QLEDs showed high performance with an EQE of 5.8% and a high brightness of 7016 cd m−2.
J. Mater. Chem. C, 2024,12, 4593-4598
https://doi.org/10.1039/D4TC00349G
Cubic and hexagonal boron nitride phases and phase boundaries
We used temperature-dependent spark plasma sintering to induce phase transformations of metastable 3D c-BN to mixed-phase 3D/2D c-BN/h-BN and ultimately to the stable 2D h-BN phase at high temperature, useful for extreme-temperature technology.
J. Mater. Chem. C, 2024,12, 3053-3062
https://doi.org/10.1039/D4TC00039K
Dual-port ferroelectric NAND flash memory for large memory window, QLC programmable and disturbance-free operations
Oxide channel dual-port FeNAND devices with low-temperature processing offer improved thermal stability, broader memory window, and enhanced reliability.
J. Mater. Chem. C, 2024, Advance Article
https://doi.org/10.1039/D4TC02210F
Advanced cobalt-based hierarchical and gradient armor catalysts for high-performance Li–S batteries over a wide temperature range
Developing efficient and long-lasting cathode catalysts is crucial for preparing high-performance lithium–sulfur (Li–S) batteries.
J. Mater. Chem. C, 2024, Advance Article
https://doi.org/10.1039/D4TC02573C
Gallium nitride for ultrasensitive thermo-active switching in terahertz metamaterial micro–nanophotonic devices
The remarkable conductivity change of GaN under the excitation of a thermal signal is exploited to demonstrate a hybrid GaN metamaterial device that exhibits sensitive switching of the metamaterial resonance within the terahertz spectrum.
J. Mater. Chem. C, 2024, Advance Article
https://doi.org/10.1039/D4TC02160F
Exciton dynamics of the efficiency roll-off of exciplex-based OLEDs and low efficiency roll-off phosphorescence OLEDs based on an exciplex as the host
A kinetic model including all the possible excited state pathways associated with the TADF processes in an exciplex.
J. Mater. Chem. C, 2024,12, 12317-12324
https://doi.org/10.1039/D4TC02043J
Decoding the domain dynamics of polycrystalline 0.7BiFeO3–0.3BaTiO3
Despite the extraordinary significance of high-temperature piezoelectric ceramics in engineered systems, understanding their macroscopic electromechanical response in terms of local domain dynamics remains a significant challenge.
J. Mater. Chem. C, 2024,12, 12304-12316
https://doi.org/10.1039/D4TC01199F
Defect-induced formation and frustration-driven multiple magnetic transitions in Gd2Co0.90Si2.90
A new non-stoichiometric ternary compound, Gd2Co0.90Si2.90, has been synthesized in single phase by introducing vacancies in the Co and Si sites. A spin-glass type of ground state is observed due to frustration and disorder.
J. Mater. Chem. C, 2024,12, 12292-12303
https://doi.org/10.1039/D4TC01798F
Efficient and stable perovskite solar cells through electrochemically polymerized porphyrin-based hole-transporting materials
The hole-transporting layer (HTL), a pivotal component of perovskite solar cells (PSCs), can significantly improve device performance.
J. Mater. Chem. C, 2024,12, 12282-12291
https://doi.org/10.1039/D4TC01860E
Leveraging surface phonon polaritons for enhanced Q-factor of mid-infrared BaTiO3 nanoresonators
BaTiO3 all-dielectric metasurfaces exhibit a broader SPhPs propagation range and possess a higher Q-factor compared to conventional fully dielectric supersurfaces.
J. Mater. Chem. C, 2024,12, 12266-12274
https://doi.org/10.1039/D4TC02091J
Robust spin-valley coupling in hexagonal monolayers of Tl-based monochalcogenides
Monolayers of Tl-based monochalcogenides are theoretically identified as an ideal platform for the integration of spintronics and valleytronics.
J. Mater. Chem. C, 2024,12, 12275-12281
https://doi.org/10.1039/D4TC01513D
Long-wave infrared photothermoelectric detectors with resonant nanophotonics
J. Mater. Chem. C, 2024, Accepted Manuscript
https://doi.org/10.1039/D4TC02504K
Type-II WS2/AsP van der Waals heterojunctions with high rectification ratio and high detectivity
The WS2/AsP vdWHs device with a type-II band structure suppresses dark currents and improves photoelectric characteristics. It boasts a detectivity of 1.72 × 1013 jones and a responsivity of 14.6 A W−1, showing great potential in future applications.
J. Mater. Chem. C, 2024, Advance Article
https://doi.org/10.1039/D4TC02728K
Unique switching mode of HfO2 among fluorite-type ferroelectric candidates
The primary uniqueness of HfO2 is its indispensible covalent bonding nature, though its high cation coordination number reflects a typical ionic compound.
J. Mater. Chem. C, 2024, Advance Article
https://doi.org/10.1039/D4TC02418D
A comprehensive investigation into thermoelectric properties of PEDOT:PSS/Bi0.5Sb1.5Te3 composites
Methodologies for enhancing the conversion efficiency of organic/inorganic thermoelectric composites, enabling future applications in self-powered wearable electronic devices.
J. Mater. Chem. C, 2024, Advance Article
https://doi.org/10.1039/D4TC00881B
Assembling 1D double-shell PPy@Air@MnO2 nanotube with enhanced microwave absorption performance
J. Mater. Chem. C, 2024, Accepted Manuscript
https://doi.org/10.1039/D4TC02748E
Molten salt synthesized LaTa7O19:Er3+/Yb3+ with superior upconversion luminescence using KCl flux
Er3+/Yb3+ is distributed in TaO6–LaO8 layer, separated by two TaO7 layers. The sample is plate shaped. The green UCL integral intensity of LTO:Er3+/Yb3+ reached 89% of β-NaYF4:Er3+/Yb3+.
J. Mater. Chem. C, 2024, Advance Article
https://doi.org/10.1039/D4TC02625J
Na+:The key to ultra-long afterglow lifetime of CDs in dense SiO2 matrices
J. Mater. Chem. C, 2024, Accepted Manuscript
https://doi.org/10.1039/D4TC02795G
Resolving local ordering and structure in MnxGe1−xTe alloys through thermodynamic ensembles of pair distribution functions
Local bonding environments can be characterized via ensemble averages of PDFs to provide insight into the relationship between synthetic temperature and structure.
J. Mater. Chem. C, 2024, Advance Article
https://doi.org/10.1039/D4TC02896A
Synthesis, crystal structure, and physical properties of the Eu(II)-based selenide semiconductor: EuHfSe3
A novel Eu(II)-containing chalcogenide, EuHfSe3, has been synthesized with a structure that is found to exhibit intriguing and complex low-temperature magnetic behavior.
J. Mater. Chem. C, 2024,12, 11769-11777
https://doi.org/10.1039/D4TC01750A
Rare earth-based Cs2NaRECl6 (RE = Tb, Eu) halide double perovskite nanocrystals with multicolor emissions for anticounterfeiting and LED applications
Cs2NaRECl6 (RE = Tb, Eu) NCs with multicolor emissions under different light excitation have great potential in anticounterfeiting and LEDs.
J. Mater. Chem. C, 2024,12, 11778-11784
https://doi.org/10.1039/D4TC01697A
Chiral mesostructured In2O3 films twisted along different crystal orientations
Chiral mesostructured In2O3 films composed of nanoflakes with different exposed facets exhibit spin chiral anisotropy, which manifests as chirality-dependent but external magnetic field-independent asymmetric magnetic circular dichroism signals.
J. Mater. Chem. C, 2024,12, 11763-11768
https://doi.org/10.1039/D4TC01339E
3D N-Ti3C2Tx/Co/N-CNT Composites as a Sodiophilic Framework for Dendrite-Free Sodium Metal Anodes
J. Mater. Chem. C, 2024, Accepted Manuscript
https://doi.org/10.1039/D4TC02740J
Diamond photo-electric detectors with introducing silicon-vacancy color centers
J. Mater. Chem. C, 2024, Accepted Manuscript
https://doi.org/10.1039/D4TC02335H
Low-cost growth of high-quality monoisotopic hexagonal boron nitride single crystals using a boric acid precursor
This work demonstrates the successful synthesis of high-quality monoisotopic hBN single crystals (hNatBN, h10BN and h11BN) with good uniformity using a low-cost isotope-enriched boric acid precursor.
J. Mater. Chem. C, 2024, Advance Article
https://doi.org/10.1039/D4TC02524E
Alkyl modification to optimize the ferroelastic properties in molecular crystals
J. Mater. Chem. C, 2024, Accepted Manuscript
https://doi.org/10.1039/D4TC02784A
Tunable light-induced topological edge states in strain engineering of bismuthene monolayers
Considering the combination of strain effects and external periodic light fields allows tuning of the nontrivial edge states in nanoribbons of bismuthene monolayers, i.e., Bi(110) and Bi(111) monolayers.
J. Mater. Chem. C, 2024, Advance Article
https://doi.org/10.1039/D4TC02438A
Chemical vapor deposition of high charge carrier mobility benzothiadiazole-based conjugated polymer thin films
Low band gap and high hole mobility benzothiadiazole–oligothiophene conjugated polymers free from side chains are readily synthesized and deposited in the form of thin films via chemical vapor deposition.
J. Mater. Chem. C, 2024,12, 11368-11377
https://doi.org/10.1039/D4TC01437E
Multiscale computational analysis of the effect of end group modification on PM6:BTP-x OSCs performance
Theoretical computational simulation are used to analyse the molecular stacking characteristics of PM6:BTP-x OSCs and the role of end group modifications.
J. Mater. Chem. C, 2024, Advance Article
https://doi.org/10.1039/D4TC02361G
Construction of urchin-like porous Co/CoO/C composites enabling high-performance wideband electromagnetic wave absorption
A series of urchin-like porous Co/CoO/C composites with wideband and strong EWA performance have been prepared, in which the 3D porous urchin-like microstructures facilitate the propagation and attenuation of electromagnetic waves.
J. Mater. Chem. C, 2024, Advance Article
https://doi.org/10.1039/D4TC02284J
Harnessing lanthanides for blue-to-UVB upconversion and its dye-sensitization
An upconverter upconverts blue light into UVB photons, which can be used in dermatology to cure certain skin diseases. This concept mitigates the effects of UVB toxicity on healthy skin regions that may occur when direct UVB is administered.
J. Mater. Chem. C, 2024, Advance Article
https://doi.org/10.1039/D4TC02187H
Metal–organic framework derivatives with gradient structures via multidimensional assembly engineering for tunable efficient microwave absorption
Multidimensional assembly strategy facilitates the preparation of MOF-derived Co-doped carbon-based composites assembled with 1D nanowires/rods and 0D nanobubbles to enhance and optimize microwave attenuation.
J. Mater. Chem. C, 2024, Advance Article
https://doi.org/10.1039/D4TC02532F
Achieving spectrally tunable and thermally stable near-infrared emission in Fe3+-activated spinel phosphors via the cation site modulation strategy
A cation site modulation strategy is proposed to regulate the emission wavelength of Fe3+-activated spinel phosphors with superior anti-quenching properties.
J. Mater. Chem. C, 2024, Advance Article
https://doi.org/10.1039/D4TC02763A
Highly versatile and accurate machine learning methods for predicting perovskite properties
A dataset of 3720 ABX3-type perovskites and 2660 A2B(I)B(II)X6-type double perovskites was collected and cleaned up to train a machine learning model that predicts features such as band gaps. SHAP interpretability analysis provides new insights for bandgap evaluation.
J. Mater. Chem. C, 2024, Advance Article
https://doi.org/10.1039/D4TC02268H
Developing colloidal nanoparticles for inkjet printing of devices with optical properties tuneable from the UV to the NIR
Colloidal graphene quantum dots, NaYF4:Yb, Er upconverting nanoparticles, and PbS quantum dots were formulated for inkjet fabrication of detectors and displays with optical properties tunable from the ultraviolet to the near-infrared.
J. Mater. Chem. C, 2024,12, 10992-11000
https://doi.org/10.1039/D4TC01917B
Prediction of metastable energy level distribution of D3+ (D = Cr and Fe) doped phosphors based on machine learning
This paper employs regression models based on machine learning to propose a method for predicting the energy level distribution rules of Cr3+ and Fe3+ in various doped crystals.
J. Mater. Chem. C, 2024,12, 10889-10902
https://doi.org/10.1039/D4TC02168A
Encapsulation of luminol and Co2+ within a metal–organic framework for enhanced chemiluminescence and imaging of inflammation
By encapsulating luminol and Co2+ within UiO-67-bpydc, we construct an enhanced chemiluminescence MOF material. UiO-67-bpydc⊃Co+Lu exhibits excellent sensing properties for H2O2 and glucose, and can accurately image skin inflammation.
J. Mater. Chem. C, 2024,12, 11012-11019
https://doi.org/10.1039/D4TC01826E
Polypyrrole/NiFe-layered double hydroxide composite as an anticorrosive microwave absorber
Polypyrrole/NiFe-layered double hydroxide composite with excellent microwave absorption capability and anti-corrosion performance that can be used in marine environments.
J. Mater. Chem. C, 2024,12, 11001-11011
https://doi.org/10.1039/D4TC01485E
Ligand-customized colloidal quantum dots for high-performance optoelectronic devices
A new surface engineering approach that allows for enhanced control over ligands by decoupling colloidal-stabilization and property-engineering ligands was developed.
J. Mater. Chem. C, 2024,12, 10919-10928
https://doi.org/10.1039/D4TC01182A
Surface-anchoring fluorinated sulfonate enables efficient and stable perovskite photovoltaics
TFS-TFMS was introduced to modulate the upper interface in n–i–p structured perovskite solar cells, resulting in significantly improved device performance owing to the synergistic engineering of fluorine and sulfonate functional sites.
J. Mater. Chem. C, 2024,12, 10960-10970
https://doi.org/10.1039/D4TC01479K
Modulation of Auger recombination via facet engineering in CsPbBr3 perovskite nanocrystals
We demonstrate the modulation of Auger recombination via facet engineering in CsPbBr3 perovskite nanocrystals, where the static dielectric screening effect is revealed to prevail over the dynamic polaronic screening effect.
J. Mater. Chem. C, 2024,12, 10971-10978
https://doi.org/10.1039/D4TC01251H
Stretchable and stable neuromorphic tactile system
A performance-stable tactile neuron is developed, which integrates a stretch-insensitive triboelectric nanogenerator with an artificial neuron in a single device, and a 64 × 64 neuromorphic tactile matrix is established to process touch signals.
J. Mater. Chem. C, 2024,12, 10979-10984
https://doi.org/10.1039/D4TC01144A
Dual-stimuli responsive chromatic cholesteric fibres with programmable structural-colour
An active dual-stimulus responsive coloured cholesteric fibre that enables orthogonal modulation of reflection bands and reflectance by optical and gaseous means, respectively.
J. Mater. Chem. C, 2024,12, 10985-10991
https://doi.org/10.1039/D4TC01004C
Quantum layer spin Hall effect in sliding antiferromagnetic bilayers
Sliding antiferromagnetic bilayers have attracted considerable attention due to their multiferroic properties coupled with layers.
J. Mater. Chem. C, 2024,12, 10950-10959
https://doi.org/10.1039/D4TC01255K
Dual narrowband photodetectors based on halide perovskite single crystal heterojunctions with solution-processed epitaxial growth
The figure illustrates the main device structure discussed in the paper, the incident direction of light, and the distribution of electric field intensity.
J. Mater. Chem. C, 2024, Advance Article
https://doi.org/10.1039/D4TC02447H
Evaluation analysis of electromagnetic wave absorption for self-assembled 3D graphene skeleton-supported BN/SiC composites
A 3D-graphene/BN/SiC microwave absorber with a hierarchical structure is prepared, whose absorbing performance can be easily regulated by oxidizing in air.
J. Mater. Chem. C, 2024, Advance Article
https://doi.org/10.1039/D4TC02301C
Glass modified Na0.5Bi0.5TiO3-based energy-storage ceramics for high-temperature applications at low/moderate electric fields
An innovative optimizing strategy via glass addition is proposed to lower sintering temperature through liquid sintering, which in turn triggers refined grains and boosts breakdown strength.
J. Mater. Chem. C, 2024, Advance Article
https://doi.org/10.1039/D4TC02435D
Cation-placement control in double-perovskite GdBaCo2O6 and its impact on magnetism via spin-state modification
A-site-ordered and -disordered GdBaCo2O6 films were synthesized through topotactic oxidation. These films exhibit distinct magnetic and conductive properties, attributed to variations in Co spin states driven by changes in ionic arrangement.
J. Mater. Chem. C, 2024,12, 10428-10436
https://doi.org/10.1039/D4TC01498G
Enhancing the efficiency and stability of ZnSe pure blue quantum dot light-emitting diodes via ionic liquid doping
The novel ionic liquid (IL) salt BMIMPF6 doping TFB elevates the work functions and surface potentials of the TFB HTL, and promotes effective charge transfer within the QDs, resulting in a significant improvement in device performance.
J. Mater. Chem. C, 2024,12, 10408-10416
https://doi.org/10.1039/D4TC01874E
An equivalent RLC circuit loss mechanism introduced by Fe2O3 nanoneedle arrays towards high-performance electromagnetic wave absorption materials
The introduction of an equivalent RLC circuit loss mechanism realizes strong EMW absorption in a low-filling ratio and even lower thicknesses.
J. Mater. Chem. C, 2024,12, 10417-10427
https://doi.org/10.1039/D4TC01018C
Additive engineering for high-performance polythiophene gas sensors incorporating functional amine additive with strong binding energy for NO2
The performance of a gas sensor was improved by incorporating organic additives with various amine functional groups into the P3HT active layer due to the strong binding energy between the amine functional groups and the target gas.
J. Mater. Chem. C, 2024,12, 9986-9992
https://doi.org/10.1039/D4TC01356E
Highly efficient and stable pure-red phosphorescent organic light-emitting diodes based on heptacyclic bipolar hosts featuring an armor-like structure
The armor-like heptacyclic framework enhances the rigidity and stability of host materials named Hept-TRZ. The luminescent devices based on Hept-TRZ as the red host achieve high efficiency and long lifetime of PhOLEDs.
J. Mater. Chem. C, 2024,12, 9993-9998
https://doi.org/10.1039/D4TC01313A
Insights into the vibration coupling effects on reorganization energy in π-isoelectronic frameworks
This study delves into the intricate interplay of vibrational coupling within isoelectronic frameworks featuring both zigzag and armchair topologies, aiming to better understand the topological and heteroatom impacts on reorganization energy.
J. Mater. Chem. C, 2024,12, 9950-9956
https://doi.org/10.1039/D4TC01744G
Bright self-trapped exciton emission in alkali iodide nanocrystals via Sn(II)-doping
A self-trapped excition emission in alkali iodide nanocrystals performance a broad yellow emitting via Sn(II) doping.
J. Mater. Chem. C, 2024,12, 9978-9985
https://doi.org/10.1039/D4TC01428F
Configuration-Dependent Hollow Heterostructures for Highly Efficient Photocatalytic Hydrogen Evolution
J. Mater. Chem. C, 2024, Accepted Manuscript
https://doi.org/10.1039/D4TC02562H
Surface co-modification enabling efficient and spectrally stable mixed-halide blue light-emitting diodes
Collaborative optimization of strong coordination and hydrogen bonds is employed to impede phase separation and enhance photoluminescence for mixed-halide QDs.
J. Mater. Chem. C, 2024,12, 9586-9594
https://doi.org/10.1039/D4TC01816H
About this collection
This on-going web collection features all the articles published in Journal of Materials Chemistry C in 2024 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!