2D Phosphorene Nanoribbons (IMAGE) University College London Caption 2D phosphorene nanoribbons with increasing layer left to right. Credit Watts <em>et al</em>. Usage Restrictions credit: Watts et al. 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.