Figure 1 (IMAGE) Institute for Basic Science Caption 3D image of single cobalt atoms on nitrogen-doped graphene. It was crucial for this study to control the coordination environment of single cobalt atom, since this coordination structure directly affects the catalytic properties of the overall catalyst. Credit IBS Usage Restrictions Please indicate the credit. 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.