Flipping crystals improves solar-cell performance

In a step that could bring perovskite crystals closer to use in the burgeoning solar power industry, researchers have tweaked their crystal production method and developed a new type of two-dimensional layered perovskite with outstanding stability and more than triple the material's previous power conversion efficiency.

A faster future: Graphene-based optoelectronics

As an important step towards graphene integration in silicon photonics, researchers have published a paper which shows how graphene can provide a simple solution for silicon photodetection in the telecommunication wavelengths.

On the path toward molecular robots

Scientists have developed light-powered molecular motors that repetitively bend and unbend, bringing us closer to molecular robots.

Researchers determine fundamental limits of invisibility cloaks

Researchers have been able to quantify fundamental physical limitations on the performance of cloaking devices, a technology that allows objects to become invisible or undetectable to electromagnetic waves including radio waves, microwaves, infrared and visible light.