TY - GEN
T1 - Thermo-chemical metastability of multilayer epitaxial graphene oxide
T2 - 2012 MRS Spring Meeting
AU - Zhou, Si
AU - Kim, S.
AU - Hu, Y.
AU - Berger, C.
AU - De Heer, W.
AU - Riedo, Elisa
AU - Bongiorno, Angelo
PY - 2013
Y1 - 2013
N2 - Graphene oxide holds great promise for future applications in nano-technology. The chemistry of this material is not well understood. This understanding is crucial to enable future applications of graphene oxide. In this study, experiments and density functional theory calculations are combined to elucidate the chemical properties of multilayer graphene oxide obtained by oxidizing epitaxial graphene grown on silicon carbide via the Hummers method. This study shows that at room temperature as prepared graphene oxide films exhibit a uniform and homogeneous structure, include a minimal amount of edges and holes, and have an oxidation ratio of about 0.44. The comparison with density-functional calculations shows that graphene oxide includes a minimal amount of intercalated water molecules and well-defined fractions of epoxide and hydroxyl groups.
AB - Graphene oxide holds great promise for future applications in nano-technology. The chemistry of this material is not well understood. This understanding is crucial to enable future applications of graphene oxide. In this study, experiments and density functional theory calculations are combined to elucidate the chemical properties of multilayer graphene oxide obtained by oxidizing epitaxial graphene grown on silicon carbide via the Hummers method. This study shows that at room temperature as prepared graphene oxide films exhibit a uniform and homogeneous structure, include a minimal amount of edges and holes, and have an oxidation ratio of about 0.44. The comparison with density-functional calculations shows that graphene oxide includes a minimal amount of intercalated water molecules and well-defined fractions of epoxide and hydroxyl groups.
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U2 - 10.1557/opl.2012.1453
DO - 10.1557/opl.2012.1453
M3 - Conference contribution
AN - SCOPUS:84870350432
SN - 9781605114286
T3 - Materials Research Society Symposium Proceedings
SP - 39
EP - 44
BT - Nanocarbon Materials and Devices
Y2 - 9 April 2012 through 13 April 2012
ER -