Effect of Air on Perovskite Crystal (VIDEO) University of Groningen This video is under embargo. Please login to access this video. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Caption This video shows the change in light emission due to charge recombination in a perovskite crystal, excited by laser light. Credit Loi lab / University of Groningen 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.