Themed collection #MyFirstJMCC

In the last decade, electronic applications have multiplied and thus various materials have been widely used. This study focuses on the last years of degradable/disintegrable electronic materials both as supporting and active materials.

III–V QDs are high performing materials, however, their exacting synthesis is a major hurdle hampering widespread adoption. We have compiled the disparate routes to III–V QDs and concisely present them, along with our perspectives for the field.

We summarized the mechanism of substituent influence on single-molecule conductivity into three aspects: the quantum interference effect, the electronic effect of substituents and the conformational restriction of the conductive backbone.

A brief history of SnO₂-based PSCs development in recent years and the advantages of SnO₂ as ETL.

Indeed, the development of solution-processable host materials for TADF OLEDs is less explored. This review aims to provide a comprehensive overview of the progress made in the exploration of host materials for solution-processable TADF OLEDs.

This review summarizes a decade of research on oxidative debris (ODs) in graphene oxide (GO) and discusses the protocols for isolating ODs, their structural characteristics, and their influence on several GO properties.

Oxidative chemical vapor deposition (oCVD) has developed progressively in the last two decades as a solvent-free (or dry) methodology for synthesis and thin film deposition of conjugated polymers.

This review summarizes major developments in various solution-based synthesis approaches and different applications such as supercapacitors, batteries, HER, and photocatalytic dye degradation of group VI layered metal dichalcogenide thin films.

Bismuthene exhibited potential application in electrochemical, optoelectronics, batteries, sensing, supercapacitors, photocatalytic and biomedical fields.

Carbon-rich macrocycles and carbon nanoribbons act as unusual optical materials in the free form or when combined with other guests.

In this review, we mainly summarize the emerging luminescent organic molecular frameworks consisting of hydrogen bonded frameworks and supramolecular organic frameworks based on tetraphenylethylene building blocks.

This paper compares different photocathodes that are applicable for electron injector systems and summarizes the most important photocathode properties influencing the performance as an electron source.

Single-wall carbon nanotubes (CNTs) possess topological edge states depending on the chiral indices and edge geometries.

A CuFe-PB coating film is formed via ion exchange on MnFe-PB, which effectively improves the structural stability and electrochemical performance of the sodium ion battery cathode material and inhibits Mn dissolution caused by the Jahn–Teller effect.

A novel design idea of optimizing through-space interaction for intramolecular singlet fission is proposed by using macrocyclic structures.

OECTs soaked in an electrolyte for up to 40 days produced with a low swelling mixed conductor, poly[3-(6-hydroxy)hexylthiophene] (P3HHT), showed enhanced stability in their electrochemical performance in comparison to PEDOT:PSS-based OECT.

Electrochemical oxidation of a graphene monolayer results in a G-band shift in the micro-Raman spectrum and an increase in the quantum capacitance, resulting from an increase in the number and density of defects and charge carrier concentration in the graphene structure.

Synaptic devices based on 2D materials are being considered as potential solutions to mimic the behavior of synapses in neuromorphic computing.

In this work, we investigate magnetic monolayers of the form AⁱAⁱⁱB₄X₈ based on the well-known intrinsic topological magnetic van der Waals (vdW) material MnBi₂Te₄ (MBT) using first-principles calculations and machine learning techniques.

Conductive hydrogels have great potential for application in the field of flexible wearable devices due to their excellent stretchability and biocompatibility.

The effectiveness of cesium ions as focusing agents in enhancing Raman signals of flavonoids is demonstrated. By using cesium ions, Potentilla discolor Bge. samples from ten origins are characterized, and an efficient method is proposed for identification of traditional Chinese medicines.

The knotted fiber-based strain sensor has tunable sensitivity and sensing region, making it suitable for monitoring wearable physiological signals and human motion with outstanding-comfort.

Five bismuth-organic materials that exhibit fluorescence or phosphorescence and radioluminescence are reported, with the photophysical behavior dependent on both the identity of the outer sphere fluorophore and noncovalent interactions.

Left figure shows PL spectra of phosphors with and without Ca²⁺ ion. The central images present the photos of PiG under illumination of sunlight and UV light. Right figures give EL spectra of LED encapsulated with different phosphors.

Vertical thin-film transistors (TFTs) with low contact resistance are necessary to realize high-resolution displays for virtual reality and augmented reality applications.

ZnBr₂ incorporated CsPbBr₃ transformed into to Cs₄PbBr₆via the intermediate CsPbBr₃/Cs₄PbBr₆ heterostructure, resulting in improved PL characteristics (near unity PLQY).

This study presents an in-depth investigation of nano-pillar-based external light extraction techniques, focusing on the analysis of light extraction characteristics based on the pillar and plane structures.

In THz science and technology, nanostructures play a vital role in the development of devices based on electronics and photonics.

Evaluating opto-structural correlations to tailor the luminescence of polymeric films based on Eu^III-doped phosphors using a new combined spectroscopic and theoretical protocol.

Light polarization and morphological features of sunflower mimic plasmonic metasurfaces i.e., dendrite shape, aspect ratio and packing density govern the distribution of enhanced electric field and plasmonic hot spots on their surface.

The diffusion of thiol molecules present in epoxy resin promotes positive aging in InP-based QD-LEDs. Subsequent annealing treatment enable thiol molecules migration into lower layers, leading to a remarkable performance enhancement.

Practically viable Bi₂Fe₄O₉-based calcium-packed homo-heterojunction for detection and oxidative removal of pharmaceutical waste; a step towards clean water and zero waste.

Two different pathways for decomposition of adsorbed trimethyl aluminum in the ALD of AlN have been investigated by computation chemistry. The two pathways give different saturation coverage and thus growth per cycle.

The p–n junction, one of the prominent electrical components capable of being utilized in electronics and optoelectronics, has attracted renewed interest due to recent research in two-dimensional (2D) materials.

A photomultiplication-type YZ-PD with excellent photodetection performance in the UV–Vis–NIR region was successfully constructed using a bulk heterojunction strategy.

First reported observation of aggregation-induced emission and solvatochromism in a polycyclic donor–acceptor fluorophore with a BN-substitution.

In recent years, research on ferroelectric materials based on hafnium oxide has increased because of promising advantages such as fast operating speeds and CMOS process compatibility.

A series of Mn⁴⁺ doped BaLa(Na/Li)WO₆ and BaLaLi(W/Te)O₆ phosphors were synthesized and studied. Substitution reactions of Na⁺ by Li⁺ and W⁶⁺ by Te⁶⁺ allows the management of the energy gap between Mn^{4+ 2}E_g and ⁴T_2g states and improves the thermal stability of the phosphors.

Keto–enol tautomerization endowed TFP-TZ with more D–A interaction strengths and an electron-withdrawing CO group in the keto form facilitated charge transfer.

A dual conductive network strain sensor was prepared by simple UV-curing of a mixture of MXene and polymerizable deep eutectic solvent. This sensor had high-strength, while maintained the self-healing, anti-freezing, and high-adhesion features.

Herein, a facile strategy was proposed to fabricate lightweight polyimide-derived carbon foams (PICFs) with anisotropic pore structures which possess multifunctional properties enabling potential applications in high-end engineering sectors.

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.

Efficient flexible hybrid solar cells with basic device architecture are demonstrated using the low-cost Si wafers via simple chemical approaches, and may lead to the next-generation flexible optoelectronic applications with 4-fold reduced Si usage.

A N-doped porous layered silicon anode based on a thermally etched method of metal oxides (Fe) for superior electrochemical performance with 89.6% capacity retention after 500 cycles at 2 A g⁻¹.

The electroluminescent mechanism of four imidazole-based luminogens are explored. Results show that introducing different substituents can change the molecules from aggregation-caused quenching to aggregation-induced delayed fluorescence.

An aerogel dry electrode was prepared by an interesting foaming process. The resultant aerogel displayed impressive microscale shape moldability, enabling excellent skin compliance for high-quality ECG signal detection.

Ni(PO₃)₂ nanospheres and bio-waste derived N, P co-doped carbon composites as asymmetric supercapacitor with long cycle life to run an oximeter and 28 LEDs demonstrating a strong practical application prospect.

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.

A near-infrared photoelectrochromic device (NIR-PECD) is a combination of a dye-sensitized solar cell (DSSC) and an electrochromic device (ECD) that directly generates transmittance contrast in IR region from solar radiation without an additional power source.

A non-covalent assembly of a highly branched molecule produces porous crystals supported only by weak interactions. This flexible network shows reversible morphological changes and displays fluorescence responses to external stimuli and guest uptake.

A multifunctional coumarin based organic luminophore, CTH, has been synthesized and its fluorescence properties are investigated.

Our study showcases the noteworthy impact of mechanochemical technology on the synthesis of liquid crystalline molecules. Particularly, this approach offers the rapidly/sustainably creation of the ferroelectric-fluid (NF/SmAF) molecular libraries.

Robust, transparent, conductive, redox-active and chiral gels are obtained by self-assembly of a cholesterol-substituted 4,4′-bipyridinium. Self-organization gives chiral hollow core–shell cylinders of inner radius 5.2 nm and shell thickness 2.6 nm.

The ultrastable and flexible BA₂PbBr₄ NC@PMMA film, which was fabricated by using an in situ fabrication method, has achieved X-ray imaging for planar and nonplanar objects with a high spatial resolution of 5.5 lp mm⁻¹.

Eu³⁺-induced diblock polymer aggregates (EIPAs) were synthesized by self-assembly method and doped into the active layer of various non-fullerene systems to improve the power conversion efficiency (PCE) and stability of the devices.

A heterogeneous bimetallic system, composed of two metallic thin films with inherently different Fermi levels, is potentially usable for the fine tuning of interfacial charge dynamics.

The ANE molecule has a chemical interaction with the perovskite and SnO₂ film, both reducing the oxygen vacancy defects in the SnO₂ film and passivating the uncoordinated Pb²⁺, significantly reducing the interface defects and effectively suppressing the non-radiative recombination.

A photoluminescence study of dibenzopentacene single crystals at different temperatures, magnetic fields, and time scales shows complex evolution of excitation and the presence of singlet fission.

Flash sintering experiments on different-sized BTO powders are performed, and the influence of the conditions over the achieved microstructures and functional properties is shown. For smaller powder sizes a time instability of properties is revealed.

The prepared TET fibre exhibits excellent strain sensing performances and can also be deformed into stretchable helical wire, even being recycled and reused.

Computationally investigate chirality transfer effect from chiral ligands bound to the surface of a lead-halide perovskite nanomaterial. By changing the molecular polarity of the chiral molecules, the chirality of the system can be tuned.

A composite heterostructure of Au/D-MoS₂ has been designed for a charge transfer LSPR modulator for enhanced upconversion luminescence.

Orientation preference control: molecules transitioning from a mixture of foot-standing and hand-standing to exclusively foot-standing.

Controllable and tuneable core@shell UCNPs with enhanced UC efficiency through varied energy transfer pathways arising from geometric alteration.

Fabricating devices using floating films of semiconducting polymers offers many advantages. In floating films, a judicious selection of solvents is essential to achieve maximum device performance based on the nature of the semiconducting polymer.

Triboelectric nanogenerators (TENGs) are gaining tremendous attention as an environmentally friendly technology that converts low-frequency mechanical energy into electrical energy.

We developed a CeO₂@MXene/PSPU composite film with a dielectric constant of 206 at 100 Hz, a loss of 0.19 and a self-healing efficiency of 97.9% at a filler content of 5.25 vol%.

A highly stable HOF-based composite (HDSD-1@Tp) was obtained by in situ reaction with HDSD-1. The introduction of NH₄⁺ optimizes its proton conduction pathways, making HDSD-1@Tp-NH₃ possess a high proton conductivity of 3.8 × 10⁻¹ S cm⁻¹.

Cyclooctatetraene (COT) is predicted to have a planar aromatic triplet state. Using femtosecond-to-microsecond transient absorption spectroscopy, we show that acene chromophore-fused COT dyes also have a planar COT ring in their triplet states, although they are not aromatic.

Cu deficiency alters the local structure of the Cu–Se–In tetrahedral network thereby reducing the bandgap in CuInSe₂.