LEC (IMAGE) University of Basel Caption The iridium metal center is wrapped in an organic coat which protects it in the LEC. The precise chemical structure of the coat allows the researchers to tune the color of the emitted light. Credit © University of Basel Usage Restrictions Give adequate attribution to the original author. 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.