Single-layer organic light-emitting diodes based on thermally activated delayed fluorescence are demonstrated, exhibiting pure-blue emission, high quantum and power efficiencies, and operational stability.

Solvent co-intercalation into graphite anodes for sodium-ion batteries is common; however, intercalation into cathodes is much less explored. Here, using operando experiments as well as theory, solvent co-intercalation in a range of layered sulfides is investigated.

A hybrid cathode interfacial layer (AZnO-F3N) is developed, delivering 21.0% efficiency along with excellent stability, mechanical robustness and broad versatility, highlighting its potential to advance organic solar cells.

Materials design and informatics have become increasingly prominent over the past several decades. Using the Materials Project as an example, this Perspective discusses how properties are calculated and curated, how this knowledge can be used for materials discovery, and the challenges in modelling complex material systems or managing software architecture.

Insight into the singlet–triplet energy gap and molecular structure relationship in polycyclic heteroaromatic molecules enables organic light-emitting diodes based on multiresonance thermally activated delayed fluorescence, with improved efficiency and roll-off.

Using a reconfigurable integrated photonic platform, the authors reveal the appearance of non-Hermitian topology and the existence of edge modes emerging exclusively from optical loss modulation.

Atomic-resolution scanned Josephson tunnelling microscopy on multigap superconductor FeSe single crystals is studied, demonstrating condensate-resolved imaging and tuning capabilities.

Cathode materials for lithium-ion batteries typically possess octahedral coordination, which may exclude other possible solutions to degradation during deep cycling. A series of tetrahedral-framework-based amorphous Li–V–O–F materials are investigated, and shown to demonstrate O–O formal redox at 4.1 V.

Single-layer organic light-emitting diodes based on thermally activated delayed fluorescence are demonstrated, exhibiting pure-blue emission, high quantum and power efficiencies, and operational stability.

A hybrid cathode interfacial layer (AZnO-F3N) is developed, delivering 21.0% efficiency along with excellent stability, mechanical robustness and broad versatility, highlighting its potential to advance organic solar cells.

The Hall effect has been a powerful probe of the physics of materials for more than a century.

Identification of amorphous phases in nanoparticles by atomic-resolution transmission electron microscopy (TEM) requires analyses such as tilt-angle-dependent TEM imaging and single-nanoparticle electron diffraction, rather than relying on a single TEM image.

Budget cuts and shifting funding priorities will reduce opportunities for early-career researchers in the USA.

One-dimensional magnetism gets the attention it deserves.

Metamaterials are advancing with intricate structure designs and material combinations, with the support of computational methods and scalable fabrication techniques. These advancements enable the creation of multifunctional and smart devices, with growing presence in commercial devices.

Non-fullerene acceptors help organic solar cells achieve high performance, transforming organic photovoltaics into a useful technology.