Image Photo (IMAGE) University of Tsukuba Caption Morphological characterizations of sulfanilic-functionalized holey graphene; Transmission electron microscopy Credit University of Tsukuba Usage Restrictions Unauthorized use is prohibited License Original 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.