Schematic of Single-Molecule Diode (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption Schematic of the molecular junction created using asymmetric area electrodes which functions as a diode, allowing current to flow in one direction only. Credit courtesy of Berkeley Lab and Columbia University 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.