Luxembourg Researchers Refute 20-Year-Old Assumptions in Solar Cell Production (image) University of Luxembourg Share Print E-Mail Caption This is a microscopic image of the solar cell absorber made of one grain (black and white) and corresponding chemical analysis showing the concentration of gallium (orange) and indium (purple). Credit © University of Luxembourg Usage Restrictions The image may only be used with appropriate caption or 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.