New Semiconducting Material (IMAGE) University of Chicago Caption University of Chicago chemists Luping Yu (right) and Yongye Liang display a new material they synthesized called PTB1. The University of Chicago has licensed the material to Solarmer Energy Inc., which is developing plastic solar cells for portable electronic devices. Credit Photo by Lloyd DeGrane Usage Restrictions This image may be used by news organizations in reports about the research of Luping Yu at the University of Chicago. 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.