STOKES 2 (IMAGE) Rice University Caption Rice University researchers are looking into the source of light emitted by plasmonic metal nanoparticles. In a new paper, they argue for the dominance of photoluminescence as opposed to Raman scattering. From left: Yi-Yu Cai, Behnaz Ostovar and Lawrence Tauzin. Credit Jeff Fitlow/Rice University Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.