Nanowire Heterojunction-RedGreenBlue (image) DOE/Lawrence Berkeley National Laboratory Share Print E-Mail Caption A cesium lead iodide-cesium lead bromide-cesium lead chloride heterojunction nanowire simultaneously emitting red, green, and blue light under UV excitation. Credit Letian Dou/Berkeley Lab and Connor G. Bischak/UC Berkeley Usage Restrictions Editorial use only. 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.