Semi-transparent solar cell (IMAGE) ARC Centre of Excellence in Exciton Science Caption A prototype of a semi-transparent perovskite solar cell that could replace window glass and help a building to generate its own electricty. Credit Exciton Science Usage Restrictions For use with this story only 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.