STOKES 1 (IMAGE) Rice University Caption Rice University researchers argued for the dominance of photoluminescence as the source of light emitted by plasmonic metal nanoparticles in a new paper. Their techniques could be used to develop solar cells and biosensors. Credit Illustration by Anneli Joplin/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.