Evaluating New Solar Cells (IMAGE) Uppsala University Caption Hannes Michaels, PhD-student in Marina Freitag's research group at the Department of Chemistry, Uppsala University, is evaluating new solar cells for indoor applications. Credit Marina Freitag Usage Restrictions May only be published in connection to reports about the research by Freitag et al. or by permission from photographer. 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.