Improving Solar Cells (IMAGE) Iowa State University Caption Vikram Dalal works in his Iowa State University laboratory to improve the performance of thin, flexible solar cells. Credit Bob Elbert, Iowa State 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.