Themed collection Journal of Materials Chemistry C HOT Papers

This overview presents AIEgens integrated with phthalocyanines and subphthalocyanines, summarizing how the conversion of aggregation-caused quenching to aggregation-induced emission-active systems enhances their emission-related applications.

This perspective explores the intersection between materials research and environmental assessment during the early-stage development of next-generation wearables, encompassing flexible, stretchable, soft, transient, and printed electronics.

Antimony selenosulfide [Sb₂(S,Se)₃] is a scientifically interesting, and technologically promising photovoltaic (PV) material for the next generation of solar cells.

This review highlights emerging mechanisms that efficiently harness triplet exciton states to significantly enhance electrochemiluminescence (ECL) performance.

Monitoring wound biomarkers is critical for chronic wound management. This review highlights the advanced hydrogel dressings for in situ visual monitoring of a series of key wound biomarkers like pH, glucose, ROS and bacterial products.

A unified view of grain-boundary physics, transport mechanisms, and engineering strategies that dictate carrier transport and performance in polycrystalline semiconductors.

A tailored Bridgman growth strategy enables large, high-quality anthracene single crystals with ultrafast decay and ultralow detection limits, achieving high-sensitivity X-ray detection for low-dose applications.

Spiral groups have unique three-dimensional structures, strong rigidity, non-conjugation, and high dipole orientation potential, demonstrating broad application possibilities in creating various high-performance organic electroluminescent materials.

This review discusses different strategies including compositional, additive, and interfacial engineering to suppress the oxidation, reduce defects, and enhance the operational stability of Sn–Pb mixed low-bandgap perovskite solar cells.

This review shows how molecular aggregation enables emergent photophysics (RTP, radical emission, NIR luminescence, photothermal, X-ray scintillation) unseen in single molecules.

This review provides an overview of the developments in high-mobility polymers, integrating the core themes of molecular design, synthetic methods, and functional integration.

Lead-free halide double perovskite nanocrystals (NCs) are promising alternatives to lead-based perovskites, offering eco-friendly composition, robust intrinsic thermodynamic stability, and tunable optoelectronic properties.

Fiber electronics possess flexibility, light weight, and seamless fabric integration, making them well suited for wearable interactive systems.

Microwave dielectric ceramics with dielectric constant (ε_r ≈ 20) for 5G/6G communications, focusing on four material systems—MgTiO₃–CaTiO₃, (Ca,La)(Al,Ti)O₄, LnNbO₄, and Li₂TiO₃.

This review discusses the material selection, device design approaches, and state-of-the-art applications of wearable and implantable transient bioelectronics.

The development of piezoelectric composite (PEC) gas sensors is progressing rapidly, driven by innovations that range from atomic-level material design to system-level integration.

This review summarizes recent advances in AIP Pt(II) complexes, covering design strategies, photophysical mechanisms (RIM, RSDE, oxygen shielding), and applications in imaging, OLEDs, and sensing, while highlighting future development directions.

Metal oxide-based resistive switching memristors are emerging as promising nanodevices for the hardware implementation of neuromorphic computing. We focus on the development of a neuromorphic computing system based on metal oxide memristors.

This review provides a comprehensive overview of the molecular engineering techniques used to control polarity in two-dimensional materials and their applications in optoelectronic devices.

Alternating current electroluminescent (ACEL) devices have become an important direction for the development of visualized smart wearable e-textiles due to their advantages of light weight, flexibility, easy integration, and convenient processing.

Absorption spectra of photoreceptor pigments together with corresponding activators for plant growth LEDs.

This review systematically summarized the synthesis approaches towards both polycrystals and nanocrystals, and discussed the crystal/electronic structure, luminescence principle, and optimized strategies of lanthanide-based Cs₃LnCl₆ metal halides.

New hydrogen-bonded tetrabenzoporphyrin thin films were fabricated by a thermal precursor approach and exhibited p-type organic field-effect transistor properties.

ZIF-8-assisted aqueous synthesis for green and blue perovskite phosphors with high stability.

A deep-blue material based on a crossed long-short axis strategy and a large conjugate core, which enables high-lying reverse intersystem crossing and achieves an efficiency of 7.46% at 420 nm with CIE coordinates meeting the BT.2020 standard.

A new mechanism—bipolar electrochemistry—is utilized to develop an ionic memristor with straightforward tuneability of its rectifying memristive current–potential response.

A rapid, green, and cost-effective method for synthesizing carbon dots (CDs) was developed using non-toxic, low-cost precursors via a simple combustion process.

Light-driven self-organized ionogel patterns with modulus gradients for ultrasensitive, customizable sensing.

Localized electron transport channel is developed in inverted PSCs with nanoscale phase-separated PM6:PCBM to inhibit interfacial recombination. Resulting PSCs exhibit high efficiency of 25.60% with good stability.

Adjacent compensated codoping (alloying) is presented as an alternative approach to modify the electrical and optoelectronic properties of semiconductors.

Mn-doped CsBr (Mn²⁺:CsBr), along with phase-engineered Cs₃MnBr₅ and CsMnBr₃ perovskite nanocrystals, were synthesized using a simple and rapid microwave-assisted method that allows for tunable emission colors and high color purity.

An in situ integrated method is used to measure the thermoelectric performance of Bi₂Se₃ thin films. The coupling mechanism between thermal rectification effect caused by structural regulation and thermoelectric parameter is tentatively explored.

A new non-fullerene acceptor, CH-TCl, introduced as the third component, optimizes the active layer morphology, enhances charge transfer, and increases the open-circuit voltage of organic solar cells.

Reservoir computing (RC) using a Pt/Gd-doped CeO₂/CeO₂/Pt memristor is systematically investigated, where its time-dependent weight updates and nonlinear decay characteristics are critical for extracting spatiotemporal features in RC applications.

Hg₂(SeO₃)(TeO₃), a new tellurite–selenite birefringent crystal, showcases a broad transparency range, large birefringence, and high thermal stability, positioning it as a promising birefringent material.

In this work, through precise regulation of catalyst particle density via a tunable oxidation process, we successfully establish a direct and quantitative correlation between the orientation degree of CNT films and their polarization performance.

Vertically stacked GeRuO₂SiN₂ ferrovalley homobilayers with switchable out-of-plane sliding ferroelectricity enable effective tunability of both the valley polarization and layer-locked anomalous valley Hall effect.

Aligned polymer nanowires in organic transistors achieve highly linear synaptic plasticity by enhancing interactions between conjugated polymer and ion–gel electrolytes, enabling efficient neuromorphic computing.

This study employs an inverse machine-learning strategy to design a multilayer film architecture based on a Fabry–Pérot (FP) cavity, achieving high visible-light transmittance and high near-infrared reflectance.

This work investigates laser-induced anti-Stokes broadband white light emission under varying pressure and excitation conditions. We analyse mechanisms of multistep ionisation, avalanche, and blackbody radiation via energy conservation principles.

Lead halide perovskite single crystals (LHPSCs), due to their high atomic number, excellent carrier transport properties, and tunable bandgaps, demonstrate unique potential in gamma spectroscopy detection.

Crystallization temperatures as low as 130 °C were obtained for strongly fluorescent conjugated calamitic liquid crystals by selective fluorination and without the aid of flexible side-chains.

Metal-free Br-ONPs doped with brominated trityl radicals exhibit dual NIR-emission and excimer formation, enabling water-dispersible ratiometric nanothermometry for advanced bioimaging.

A self-healing and ultra-stretchable (1870%) scintillator film based on hybrid manganese bromides enables high-resolution X-ray imaging of curved 3D objects with a low detection limit of 15.37 nGy_air s⁻¹.

By combining materials chemistry to fine-tune crystallographic features with coherent nonlinear spectroscopy, we systematically explore how organic–inorganic interactions affect polaronic coupling in two-dimensional (2D) hybrid semiconductors.

A novel weakly coupled lead-free ergodic relaxor BaTiO₃–Bi(Zn_2/3Ta_1/3)O₃ is designed to achieve good energy storage properties under low electric fields. The underlying mechanism of the enhanced properties is elucidated.

This study demonstrates the applicability of the alloying strategy to reduce melting temperature (T_m) and opens the way for advancing melt-processing techniques and the applications of two-dimensional metal halide perovskites (2D MHPs).

Controlled vapor-assisted crystallization and the double side passivation successfully improved the performance of metal chalcohalide photovoltaic devices.

It exhibits a miscibility gap, enabling the simultaneous recycling of Ni- and Sn-containing liquids in industrial pyrometallurgical reactors. Formation of two matte phases (Ni- and Sn-rich) allows separate refinement of each metal.

Oxide-based optoelectronic synapse (OES) devices have attracted much attention for their significant potential applications in developing next-generation artificial intelligence bionic vision systems.

Two MR-TADF emitters (γ-Cb-tCzBN and β-Cb-tCzBN) achieve fine-tuning of the emission peak (±3 nm) via a peripheral nitrogen-atom embedding strategy. The resulting OLEDs exhibit sky-blue emission with maximum EQEs of 25.4% and 22.7%, respectively.

The proposed low-T (≤120 °C) solid electrolyte, hydrated Li₃PO₄, enables inkjet-printed a-IGO-based TFTs with excellent performance parameters; subthreshold slope of 61 mV dec⁻¹, linear mobility of 48.2 cm² V⁻¹ s⁻¹, and an on/off ratio of 3.8 × 10⁸.

Two crystals based one compound with similar packing exhibit distinct luminescence: monomer-like green RTP and yellow TADF dual emission, tuned by aggregation-induced quantum interference.

Catalysts with excellent hydrogen evolution reaction performance were designed by anchoring Pt clusters of different sizes on MXene supports.

By tailoring Al content in Al_xHf_yO insulating layers, high-performance Ga₂O₃ solar-blind photodetectors with an ultra-low dark current of 11.28 fA and a short decay time of 90 ms are achieved, enabling a high-contrast 32 × 32 imaging array.

A pure organic dual fluorescence–phosphorescence emitter embedded in various hosts enables tunable exciton dynamics and emission color. The optimized device delivers efficient white light, offering a cost-effective route to high-performance WOLEDs.

Field-effect driven formation of both bulk and interface excitons in thermally-activated delayed fluorescence-based organic light emitting transistors (TADF-OLETs) as a tool to tune the wavelength of generated light.

Herein, we report a novel multi-component supramolecular self-assembly strategy for the development of tunable multi-color room-temperature phosphorescent (RTP) materials with dual functionalities.

A mixture of 1D chiral hybrid halides (R-MBA)PbBr₃ and (R-MBA)PbI₃ show higher piezoelectric output than each component. Incorporating it into a polymer matrix improves voltage response and mechanical flexibility, demonstrating a doormat sensor.

This study describes a reproducible process for forming highly mesoporous, mechanically robust, and handleable aerogels based on entangled poly(3-hexylthiophene) (P3HT) and syndiotactic polystyrene (sPS) nanofibers for thermoelectric applications.