The organic photovoltaic solar cells (IMAGE) City University of Hong Kong Caption The organic photovoltaic solar cells developed by Professor Alex Jen’s lab at CityU achieved record-breaking efficiency. Credit City University of Hong Kong Usage Restrictions Image must be used with appropriate caption and 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.