Optical materials news, May 2016

Light has healing effect on perovskite films

Scientists have found that certain defects in perovskite films can be healed by illuminating the films with intense light.

Scientists have shown that a supercrystal with a spiral shape made from quantum dots can identify chiral molecules.

silver nanowires could replace the transparent electrodes currently used in smart phone and tablet sensors

Sandwiching graphene between two layers of boron nitride produces a 'superlattice' that allows a single photon to excite multiple electrons.

Scientists have discovered that the degradation of perovskite solar cells in sunlight is reduced at low temperatures and reversed in the dark.

Silver nanowire films are proving to be an ideal replacement for indium tin oxide in flexible, touch-screen displays.

Scientists have enhanced the photoluminescence efficiency of tungsten diselenide, a 2D semiconductor, by incorporating it on nanosized gold trenches.

A new material can cool a solar cell by up to 13°C while still allowing it to absorb the same amount of light, increasing its conversion efficiency.

Using a layer of molybdenum disulfide less than 1nm thick, researchers have designed a system able to absorb more than 35% of incident light.

hydrogel ‘skin’ emits light and senses pressure when stretched

new way of printing color images using interference nanostructures

Engineers have used metamaterials and 3D printing to develop a novel lens able to focus electromagnetic radiation at terahertz frequencies.

Superlattices could enable a new generation of electronic, optoelectronic and photovoltaic devices.

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