There’s a cheap new way to make fluorescent dyes into solid materials that glow, and it could be used to 3D print objects that guide light into solar cells
Source:
https://www.newscientist.com/article/2251234-super-bright-fluorescent-solids-can-be-3d-printed-in-any-shape/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home