Electrically Controlled Dual-Color Light Emission from Coupled Quantum Dot Molecules (IMAGE) The Hebrew University of Jerusalem Caption A nanoparticle made of two coupled quantum dots, each emitting light with distinct colors. applying an external voltage induces an electric field which can toggle the light emission from one side to the other, switching the emission color while keeping the overall light intensity. Credit Artwork by Ehsan Faridi and Ehsan Keshavarzi - Inmywork Studio Usage Restrictions none License Original 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.