Perovskite Imaging Post-Treatment (IMAGE) University of Washington Caption The quality of the perovskite materials for electronic device applications improved after chemical treatment, remediating the "dark" areas. Credit University of Washington Usage Restrictions With credit 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.