Polymer Film for Solar Cells (IMAGE) Georgia Institute of Technology Caption Close-up of a polymer film on a glass substrate before immersion in a polyoxometalte solution to electrically dope the film over a limited depth. Credit Credit: Christopher Moore, Georgia Tech Usage Restrictions None 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.