Tokyo Institute of Technology scientists have discovered a new strategy to design incredibly efficient perovskite-based LEDs with record-setting brightness by leveraging the quantum confinement effect. Several techniques for generation of light from electricity have been developed over the years. Devices that can emit light when an electric current is applied, are referred to as electroluminescent […]

Columbia University scientists have designed organic molecules capable of generating two excitons per photon of light. The process is called singlet fission. Of importance is the excitons can live for much longer than those generated from their inorganic counterparts, which leads to an amplification of electricity generated per photon that is absorbed by a solar […]

Scientists at TU Wien (Vienna) have now succeeded in using exotic bound states of particles to create a novel kind of light-emitting diode. In ultra thin materials, exotic bound states of particles can be created which are then converted into light. When particles bond in free space, they normally create atoms or molecules. However, much […]

Researchers at the US Naval Research Laboratory Center for Computational Materials Science (NRL), show that cesium lead halide perovskites nanocrystals (CsPbX3) emit light much faster than conventional light emitting materials. Working with an international team of physicists the group showed the property is enabling more efficient lasers and LEDs with larger emission power at lower […]

Scientists have reviewed chemists’ work on “singlet fission,” a process in which a single photon generates a pair of excited states. Singlet fission as a 1->2 conversion process has the potential to boost solar cell efficiency by as much as 30 percent. Chemists at the University of California, Riverside published a perspective article published last […]

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