OPV sun high contrast (IMAGE) University of Cambridge Caption Working organic photovoltaic device Credit Dr. Alex Gillett, Cavendish Laboratory, University of Cambridge Usage Restrictions Only to be used in context of the article. License Original 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.