Chemists Tomohiro Sugahara and Hisanari Yoneda found that high-intensity blue LED light irradiation removes the yellowing that occurs in aged resin polymers during a previous study. They soon wondered ...

Not to sound like a TV commercial or anything, but … how often have you had to throw out white shirts because of unsightly yellow underarm stains? Well, those stains may not be a problem any longer, ...

We developed a hybrid copper–iodide compound called CuI(Hda). It emits deep-blue light at about 449 nanometres and has an almost-perfect photoluminescence quantum yield — a measure of emission ...