Prof Liu Xiaogang (IMAGE) National University of Singapore Caption A team led by Prof Liu Xiaogang developed perovskite nanocrystals (in the bottles) that are highly sensitive to X-ray irradiation. Credit National University of Singapore 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.