Schematic Diagram and Optical Image of DEG (image) City University of Hong Kong Share Print E-Mail Caption Fig a is the schematic diagram of droplet-based electricity generator (DEG). Fig b is the optical image showing four parallel DEG devices fabricated on the glass substrate. Credit City University of Hong Kong / Nature Usage Restrictions The photo can only be used with appropriate caption and credit. Share Print E-Mail 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.