Functionalized Graphene Allows Additional Functionalization (IMAGE) Institute for Basic Science Caption A schematic diagram shows the reaction between 4-pyridyl groups that were decorated on single layer graphene (SLG) and benzyl bromide. This sequential functionalization expand the applications of graphene. Credit IBS 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.