Concept and device schematic. Left: A phenanthroline ligand (BUPH1) coordinates under-coordinated Pb(II) on the perovskite lattice, suppressing halide-vacancy defects. Center: Vacuum-evaporated PeLED ...

Using a new combination of emitter molecules, researchers in Japan have demonstrated the promise of a novel approach to finally overcome a major challenge facing displays using organic light-emitting ...

The Blue Pure 211+ air purifier is a reliable workhorse that puts performance above presentation, but its bulky size and weight may put some people off. Why you can trust Live Science Our expert ...

Despite a lack of more sophisticated functionality, the Blue Pure 511 is an affordable starter air purifier that looks stylish in any home. Why you can trust Live Science Our expert reviewers spend ...

Forty-nine times the Bible mentions a perfect, pure blue, a color so magnificent and transcendent that it was all but impossible to describe. Yet, for most of the last 2,000 years, nobody has known ...

In work that could help to solve the challenge of finding blue light sources matching the performance of red and green ones for displays using organic light-emitting diodes, researchers have ...