Solar-Cell Characterization (IMAGE) University of Chicago Caption Luyao Lu, a graduate student in chemistry, works in the solar cell characterization facility of the University of Chicago's Gordon Center for Integrative Science. Lu is the lead author of a Nature Photonics article describing the development of a new type of polymer solar cell that displays enhanced power conversion efficiency. Credit Andrew Nelles Usage Restrictions News organizations may use this image in connection with reports about the research of Luyao Lu, Luping Yu and their associates. 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.