Novel SAM (IMAGE) City University of Hong Kong Caption Photo of perovskite solar cells with novel SAM. Credit Prof. Zhu Zonglong’s research group / City University of Hong Kong Usage Restrictions Image must be used with appropriate caption and credit. 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.