A Light-Trapping, Color-Converting Crystal

A recipe for creating a microscopic crystal structure that can hold two wavelengths of light at once

Weyl Semimetals for Photonic Devices

Circular photogalvanic effect could be used to control electric current by light.

Two-Photon-Microscope Smashes Speed Records

A new two-photon microscope captures videos of the brain faster than ever, revealing neurotransmitter release

2D Materials Integrated into Mass Production

The HEA2D consortium manufactured prototype systems and demonstrators for 2D semiconductor materials

Heating Smart Lenses

A new adjustable technique to manipulate light without any mechanical movement

Stabilizing Black Perovskites for Solar Cells

By binding a thin film of perovskite solar cells to a sheet of glass, the cells can maintain their desired black state

Free Photons for Efficient White OLEDs

Integrating special nanostructures into white OLEDs, an external quantum efficiency of up to 76.3% can be achieved

Perovskites for Light-Emitting Diodes

New guidelines on fabricating high-quality perovskite light emitters, and consequently high-efficiency perovskite LEDs

Coupled Exploration of Light and Matter

A new approach to study nonlinear optical properties of polaritons in strongly correlated electronic states

New Device Channels Heat into Light

Carbon nanotube films enable a new method to recycle waste heat via light to electricity