Stan Chou, Sandia National Laboratories (IMAGE) DOE/Sandia National Laboratories Caption Sandia National Laboratories post-doctoral fellow Stan Chou demonstrates a dye excited by light providing electrons for catalyst molybdenum disulfide. Credit Randy Montoya, Sandia National Laboratories Usage Restrictions news media 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.