Nanoparticle (IMAGE) University of Alberta Caption Nanoparticles made by University of Alberta researchers from Earth-abundant elements phosphorus and zinc, means solar cells can be made more affordably. Credit University of Alberta Usage Restrictions Photo credit to the University of Alberta. 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.