Flexible Polymer-Based Solar Cells (IMAGE) Chalmers University of Technology Caption Double doping could improve the light-harvesting efficiency of flexible organic solar cells. Disclaimer: The image may only be used with referral to Epishine as the supplier of the flexible solar cell. For instance: 'The solar cell was supplied by Epishine AB.' Credit Johan Bodell/Chalmers University of Technology Usage Restrictions Disclaimer: The image may only be used with referral to Epishine as the supplier of the flexible solar cell. For instance: 'The solar cell was supplied by Epishine AB.' 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.