Breakthrough for Printed Polymer Solar Cells (image) Linköping University Share Print E-Mail Caption Polymer solar cells manufactured using low-cost roll-to-roll printing technology, demonstrated here by professors Olle Inganäs (right) and Shimelis Admassie. Credit Stefan Jerrevång/Linkoping university Usage Restrictions Only to be used in connection with reporting this study. Share Print E-Mail 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.