Exciton simulation (IMAGE) Gauss Centre for Supercomputing Caption This image shows a visualization of the calculated exciton transfer from an upper tetracene layer of a solar cell to the silicon substrate. The electron is shown in blue, and the electron hole in red. Credit Marvin Krenz, University of Paderborn Usage Restrictions Full caption and full attribution for reuse. 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.