Graphene Oxide Sheet (image) Institute of Physical Chemistry of the Polish Academy of Sciences Share Print E-Mail Caption This is a visualization of a graphene oxide sheet (left top) and a graphene surface with attached tertathiafulvalene (TTF) molecules (right bottom). Graphene rings are composed of six carbon atoms, TTF rings - of three carbon and two sulphur atoms. Credit IPC PAS, Piotr Gdziorowski Usage Restrictions None Share Print E-Mail 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.