New metasurface design can control optical fields in three dimensions

Scientists designed and tested a 3D-printed metamaterial that can manipulate light with nanoscale precision. Their designed optical element focuses light to discrete points in a 3D helical pattern.

The fast dance of electron spins

Chemists investigate the interactions of metal complexes and light.

How to corrosion-proof thin atomic sheets

Ultrathin coating could protect 2D materials from corrosion, enabling their use in optics and electronics.

Universal latent anion donors for ultralow work function solution-processable electrodes

Scientists report the discovery of latent universal electron donors from common anions, like oxalate, which can potently transfer electrons to organic semiconductors, realising the dream to achieve electron injection layers with ultralow work functions which can yet be processed from solution in the ambient.

Determining the activity of noble-metal-free catalyst nanoparticles

Chemists have developed a new method with which they can characterise individual noble-metal-free nanoparticle catalysts. The particles could be a cheap alternative to precious metal catalysts for obtaining hydrogen from water by means of electrolysis.