Naomi Ginsberg and Group (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption Naomi Ginsberg (forefront) led a team consisting of (from left) Cathy Wong, Benjamin Cotts and Hao Wu that identified nanocrystallites in domain interfaces as the mysterious source of performance issues in organic semiconductors. Credit Photo by Kelly Owen, Berkeley Lab Usage Restrictions None 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.