Dr Zhu’s team (IMAGE) City University of Hong Kong Caption Dr Zhu Zonglong (middle), Assistant Professor in CityU’s Department of Chemistry and his research team members, PhD students Li Zhen (left) and Wu Xin (right) from the same department. Credit 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.