Solar Cell Researchers (IMAGE) Linköping University Caption Yuming Wang and Jonas Bergqvist, researchers in the laboratory at Linköping University. Credit Thor Balkhed Usage Restrictions In connection with news from Linkoping University 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.