Themed collection 10th Anniversary: Dedicated Authors

Herein, we provide an overview of the history of research on industrial LED phosphors, focusing on Sr₂Si₅N₈:Eu, which was the first reported nitride phosphor but it is not ideal for industrial LED lighting and displays.

This review presents the multi-faceted applications of oligoynes in molecular electronics and optoelectronics, as well as recent insights for the design and properties of sp-hybridised carbon wires.

Atomic layer deposition (ALD) of chalcogenides is an essential technique for low-power and high-capacity phase-change memory. This review provides an overview on the recent progress in the ALD of chalcogenides including Ge–Sb–Te and Ge–Se alloys.

The recent progress on the methods to prepare donor (D)–acceptor (A) co-crystals and their potential applications in OFETs has been reviewed.

This article reviews recent major progress in the development of organic semiconductors as electron transport n-channel materials in organic field effect transistors (OFETs).

The recent developments and trends of electrochromic conjugated polymers and their devices are highlighted in this review.

Highly efficient OLEDs are extremely demanded for the design of highly competitive energy-saving displays and lightings. In this article, we have systematically reviewed some most effective organic materials, eleven device architectural approaches, and outcoupling techniques to realize the high efficiency OLEDs.

A new type of luminescent thermometer based on highly temperature dependent d–d Cr³⁺ transitions related to barely temperature dependent f–f Nd³⁺ transitions for bio-application is reported for the first time, showing exceptionally high sensitivity.

We have designed 2D borocarbonitrides with outstanding material properties and potential applications in a variety of important technological fields, including nano-mechanics, electronics, photocatalysis, and photovoltaics.

A record-breaking efficient (EQE: 22%) and long-living (LT₅₀: 28 000 h@1000 nit) TADF OLED is realized by using a multifunctional hole-transporter. The factors governing the transport properties are quantitatively analyzed by multiscale simulation.

We examine the role of surface passivation on carrier trapping and nonlinear recombination dynamics in hybrid metal-halide perovskites by means of excitation correlation photoluminescence (ECPL) spectroscopy.

We report two dual mechanism fluorescent sensors that enable selective sensing of alkyl primary amines with a low detection limit.

A wide range of green solvents are explored to process TIPS-PEN (6,13-bis(triisopropylsilylethynyl)pentacene), and several other p- and n-type organic semiconductors for their potential generality in fabricating organic thin-film transistors.

A series of red fluorescent materials (compounds 1–4), which each contain the symmetric fluorene–thiophene–BT–thiophene–fluorene core, is presented along with their performance in solution-processed OLED devices.

A novel molecular design employing a backbone structure freezing linker was developed to improve the external quantum efficiency, lifetime and emission profile of thermally activated delayed fluorescence (TADF) emitters.

Mixed-stack donor–acceptor crystals show electron or ambipolar transport depending on the symmetry of the frontier orbitals.

A novel phosphor Sr₃Ga₄O₉:Bi³⁺ that combines broadband photoluminescence, long persistent luminescence (LPL) and triboluminescence (ML) at room temperature.

Development of aggregation induced emission (AIE) active mechanochromic positional isomers of phenanthroimidazole comprising of triphenylamine and tetraphenylethylene.

A novel red phosphor Li₃Na₃Ga₂F₁₂:Mn⁴⁺ was obtained at room temperature and its luminescence efficiency has been improved by optimizing the synthetic process.

Benzothiadiazole-based D–A–D structured red TADF emitter results in high-performance OLEDs with a maximum EQE of 8.8% and CIE (0.61, 0.39).

Lightweight conductive graphene/thermoplastic polyurethane foams exhibited stable piezoresistive sensing signals at a strain of up to 90%.

2CzPN-based blue TADF-OLED devices with a ZDN host showed a remarkably high external quantum efficiency of 25.7%.