X-Ray Microscopy With Record Resolution

First X-ray focus below 10 nanometres diameter at Hamburg achieved

New Way to Thinner Photodiodes

Increasing the stability and performance of photodiodes using cubic perovskite nanocrystals

New Transparent Materials Absorb Light

Concept of coherent virtual absorption by temporally shaping the incident waveform

Metalenses With Tunable Features

New devices, made of graphene and a punctured gold surface, could be used for amplitude tunable lenses

Quantum Dots Amplify Light

Light amplification with electrically stimulated quantum dots is a critical step towards solution-processible laser diodes

Novel Hybrid Material for Next-Gen Displays

Graphene and quantum dots may inspire highly efficient and controllable displays and LEDs

Organic Diode Lasers One Step Closer

Perovskites have emerged as promising gain media for tunable, solution-processed semiconductor lasers

Ionic Solar Cell Desalinates Water

Device directly converts sunlight into ionic electricity for direct solar desalination of salt water

A Stacked Color Sensor

Depending on the composition perovskites can absorb part of the light, but remain transparent for the rest of the spectrum

Concept for a Directional Color Filter

Nanoscale devices divide incident white light into its component colors based on the direction of illumination