Hot Carriers in Semiconductors (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption A new and better way to study 'hot' carriers in semiconductors, a major source of efficiency loss in solar cells, has been developed by scientists at Berkeley Lab. Credit Photo by Roy Kaltschmidt, 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.