Themed collection 2020 Journal of Materials Chemistry C most popular articles

This work systematically summarizes recent advances in circularly polarized luminescence (CPL) based on aggregation-induced emission luminogens (AIEgens).

Thermoelectric generators have the potential to convert heat to electrical power in a range of industrial sectors.

The defect chemistry and its effect on nanoscale polymorphism and physical/electrical properties in fluorite-structure ferroelectrics are reviewed.

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.

State-of-the-art experiments and modeling, challenges, and future opportunities for developing high-performance interface materials for electronics thermal management.

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.

Silver nanowires for flexible organic electronics have been comprehensively summarized from synthesis, film fabrication, characterization and applications to perspectives.

A benchmark guide for tailoring graphene oxide from a practical viewpoint.

A summary of the most important technological applications employing reduced graphene oxide.

The phenomenon of charge carrier traps in organic semiconductors and their impact on electronic devices are reviewed.

The technological evolution has been progressing for centuries and will possibly increase at a higher rate in the 21st century.

The role of the π–π stacking distance and abundance in the conductivity of PEDOT:PSS thin films and a new morphology are unraveled.

Effects of the chalcogen atoms in [1]benzochalcogenopheno[3,2-b][1]benzochalcogenophenes (BXBXs), the key π-conjugated core structures in the development of superior organic semiconductors, are investigated.

Multi-carbazole TADF molecules with an ortho-biphenyl local triplet scaffold exhibiting an EQE of 23.7% and a LT50 of 750 hours.

We embedded IR-resonant microparticles as visible scatterers and thermal emitters in a transparent nanocellulose composite, to form a metamaterial that provides radiative cooling while simultaneously functioning as an optical diffuser.

A complete system for liquid phase TEM experiments at elevated temperatures with controlled on-chip flow.

Solar cell efficiency may be increased by utilizing photons with sub-gap energies via triplet–triplet annihilation (TTA). However, few TTA chromophores are currently known. This can be understood from the energetics perspective.

In this paper we report the extremely crystalline structures, high thermal stabilities, and strong fluorescence emissions of covalent organic frameworks based on linked carbazole units.

Nitrile-substituted 2-(oxazolinyl)-phenols are efficient single-benzene, excited-state intramolecular proton transfer (ESPIT)-based fluorophores.

Efficient deep-blue naphthyridine-based TADF emitters featuring narrow-band-emission with low roll-off were designed by using the H-bonding and sterically controlled charge-transfer interactions.

The introduction of a cellular structure in conductive polymer composites is supposed to be an effective way to ameliorate the electromagnetic interference (EMI) shielding properties.

Two new hybrid metal halides (PMA)₃BiBr₆ and (PMA)₃SbBr₆ are obtained, and upon light excitation both exhibit broadband emission.

Electric-field controlled half-metallic transport in CrI₃–CrGeTe₃ heterobilayers for spintronic applications.

The In₂SeS/g-C₃N₄ heterostructure is a new type of semiconductor material that uses visible light to split water.

The halide double perovskite Cs₂NaInCl₆ doped with Sb³⁺ is shown to be a promising blue phosphor.

Photoinduced fluorescence colour change based on Z/E isomerization and [2+2] dimerization in cyanostilbene liquid crystalline polymers.

ZnGa₂O₄:Yb³⁺,Er³⁺,Cr³⁺ nanoparticles synthesized by a hydrothermal method and further annealing emit bright singular red light under 980 nm excitation and near-infrared light under 254 nm excitation.

Tri-layered films are capable of excellent capacitive stability over straight bending (i.e. 20 000 cycles) and winding (i.e. 120 hours) tests.

Spiropyran-containing stimuli-chromic flexible latex nanoparticles were synthesized for development of high-security anticounterfeiting inks with application in print-marking and finger-printing on cellulosic substrates.

The spontaneously chiral bicontinuous cubic phase consists of three interpenetrating networks, where molecules stack with a twist forming network segments.

Simple, scalable and cost-effective synthesis of quality two-dimensional (2D) transition metal dichalcogenides (TMDs) is critical for fundamental investigations but also for the widespread adoption of these low-dimensional materials in an expanding range of device applications.

Surface engineering of ultrathin MXene nanosheets viaL-ascorbic acid treatment under ambient conditions makes them more appealing for practical applications.

Functionalization of reduced graphene oxide with epoxide groups allows tuning its band gap energy.

Electronic and electrochemical properties of Mo₂TiC₂T_x could be tuned by forming the specific defects and these MXenes could be promising materials for CO₂ activation and conversion.

The LTMN_0.25 + 1 wt% 0.6CuO–0.4B₂O₃ ceramic with low sintering temperature, small density and excellent performance have wide application prospects in 5G devices.

A recorded CRI of 84.8 in Ce,(Pr,Mn):YAG TCs for high-power LEDs/LDs was achieved by the synchronous doping of Pr³⁺ and Mn²⁺ ions.

The development and use of high-performance and environmentally friendly energy storage capacitors are urgently demanded.

Tunneling-induced negative permittivity is attributed to the low frequency plasmonic state in tunneling networks, where nickel nanoparticles are still isolated geometrically but connected electrically.

In this contribution we report on solution processed red OLEDs based upon an N-annulated perylene diimide dimer, namely tPDI₂N-EH, a red-light emitting molecule.

A facile methodology to prepare N-heterocyclic carbene (NHC)-terminated polymers as surface ligands to functionalize gold nanoparticles (AuNPs) is reported.

We demonstrate that the often observed double peak emission in lead halide perovskites is caused by an extensive self-absorption effect.

Novel (Na_0.5Bi_0.5)_0.7Sr_0.3TiO₃-based lead-free ceramics with vastly improved energy-storage properties for high power system applications.

2D hierarchically laminated Fe₃O₄@NPC@rGO nanocomposites exhibited excellent electromagnetic absorption owing to their micro-scale 3D magnetic coupling network, hierarchical dielectric carbon network and superior impedance matching.

Interplay of resonance levels in Bi–Zn co-doped SnTe thermoelectrics showcasing a record high room temperature and average ZT.

Broadband NIR emission with high IQE was realized by crystal-field engineering of Y₂CaAl₄SiO₁₂:Cr.

Facile synthesis of a copper oxide–liquid metal composite.

With distinct responses of three fluorescent bands, a single white-light-emitting MOF was constructed and applied in array sensing for berberine homologue discrimination.

Elastomers for fabricating soft and stretchable transducers require high elongation at break, high dielectric permittivity, high breakdown strength and low leakage current. We map blends of commercial silicones to find optimum compositions.

Broadband cyan-emitting Ca₂LuZr₂(AlO₄)₃:Ce³⁺ garnet phosphors enabled to fill the cyan gap in the emission spectra of near-ultraviolet-pumped warm-white LEDs, thus resulting in improved color rendering index.

A deep eutectic solvent ion gel applied as a sensor for monitoring the grasping motion and as an electrolyte for symmetrically structured supercapacitors.