Follow the charge : using advanced optical and X-ray spectroscopy to master charge transfer processes in phosphors Ghent University
Luminescent materials (also called phosphors) have the ability to emit light after energy is provided to the material. Typical applications include solid state lighting (e.g. LEDs), lasers and medical imaging. In some materials, impurities or imperfections in the crystal lattice can create defects (or traps) which extend the time between absorption and the emission of light. This is exploited in e.g. glow-inthe-dark safety signage and ...