Themed collection 10th Anniversary: Most popular articles

The trends in octahedral tilting in Prussian blue analogues are reviewed as a function of various structural factors. The link between tilting and functionality is discussed.

This Perspective discusses the developments, opportunities, and challenges in the context of the use of alkyne-based organic semiconductors in photovoltaic devices.

In this paper, we review recent advances in the development of flexible thermoelectric materials and devices for wearable human body-heat energy harvesting applications.

Carbon quantum dots (CQDs, C-dots or CDs), which are generally small carbon nanoparticles (less than 10 nm in size) with various unique properties, have found wide use in more and more fields during the last few years. In this feature article, we describe the recent progress in the field of CQDs, focusing on their synthetic methods, size control, modification strategies, photoelectric properties, luminescent mechanism, and various applications.

Chemical synthesis, properties and optoelectronic applications of ternary and quaternary metal chalcogenide nanocrystals are reviewed.

Recent developments of white OLEDs for general lighting, especially three key elemental technologies related to material chemistry are overviewed.

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

The recent progress, challenges and promising future of design and synthesis of inks and device fabrication by inkjet printing are reviewed and discussed.

Sensing of benzene, toluene and xylene gases using resistive-based gas sensors.

Devices made from traditional conductive bulk materials using complex microfabrication methods often are restricted to being rigid and in some cases, flexible but not strethcable.

This review provides a general overview about the definition, history and mechanism, as well as in depth summary of new emitters and designs for LECs.

The recent chemical exfoliation of layered MAX phase compounds to novel two-dimensional transition metal carbides and nitrides, the so-called MXenes, has brought a new opportunity to materials science and technology.

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.

Photoluminescence of graphene quantum-dot can be sensitively tuned by size, edge configurations, shape, chemical functionalities, defects, heteroatom-doping and hybridization states.

Exposure to oxygen and light leads to a remarkable performance improvement in the case of highly-defective metal halide perovskite solar cells.

The design of organic light emitting diode (OLED) materials with the potential for exhibiting thermally-activated delayed fluorescence (TADF) is reported.

A chemical reaction during vapor phase infiltration (VPI) is harnessed to “stain” non-fullerene acceptors (NFAs) for imaging the morphology of organic electronic films.

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.

The 0.94(BNT–BST)–0.06KNN ceramic possesses an excellent stored energy storage density (W_s = ∼3.13 J cm⁻³), a recoverable energy storage density (W_r = ∼2.65 J cm⁻³), and maintains a relatively high efficiency (η ∼ 84.6%).

Relaxor ferroelectrics are promising candidates for pulsed power dielectric capacitor applications because of their excellent energy-storage properties.

We present a computational study on a novel class of single-layer materials.

Two coated titanium oxide (TiO₂) routes are designed to prepare core–shell Co@NPC@TiO₂ (NPC: nanoporous carbon) and C–ZIF-67@TiO₂ (ZIF-67: zeolitic imidazolate framework-67) with a multi-interfaced yolk–shell structure.

The exciton dissociation yield of macromolecular semiconductors depend fundamentally on their solid-state microstructure and phase morphology.

Highly fluorescent graphene quantum dots for imaging and sensing.

Laminated magnetic graphene is achieved by a facile solvothermal route and has enhanced electromagnetic wave absorption properties.