The CQDs Multi-Stack Device (IMAGE) ICFO-The Institute of Photonic Sciences Caption The multi-stack of CQDs of different size are built on top of a flexible plastic substrate that is later deposited onto a commercial visible LED to produce broadband IR light. Image credit: ©ICFO Credit ©ICFO 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.