Organic Photovoltaics (IMAGE) Technical University of Munich (TUM) Caption This photo shows Stephan Pröller (l.) and Dr. Eva M. Herzig in their laboratory. Here they investigate the processes that take place on the molecular scale during the production of organic solar cells. Credit Photo: Uli Benz / TUM Usage Restrictions The image may be used only in connection with this release and if TU Munich is mentioned as the copyright holder. 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.