Researchers say photoluminescence is phenomenon that triggers emissions (Image 1)

Rice University graduate student Yi-Yu Cai adjusts a microscope to focus on gold nanorods, the target of new research into the source of useful light emissions from metal nanoparticles. [Image 1 of 3 related images. See Image 2.] Learn more about ...This is an NSF Multimedia Gallery item.
Source: NSF Multimedia Gallery - Category: Science Source Type: video