6533b86ffe1ef96bd12cde8a

RESEARCH PRODUCT

Synthesis of graphene oxide-intercalated α-hydroxides by metathesis and their decomposition to graphene/metal oxide composites

Lubna BasitN. RavishankarMichael RajamathiC. NethravathiClaudia Felser

subject

Materials scienceGrapheneMaterials Research CentreGraphene foamInorganic chemistryIntercalation (chemistry)Thermal decompositionOxidechemistry.chemical_elementGeneral Chemistrylaw.inventionchemistry.chemical_compoundchemistrylawGeneral Materials ScienceComposite materialCobaltGraphene nanoribbonsGraphene oxide paper

description

Graphene oxide-intercalated alpha-metal hydroxides were prepared using layers from the delaminated colloidal dispersions of cetyltrimethylammonium-intercalated graphene oxide and dodecylsulfate-intercalated alpha-hydroxide of nickel/cobalt as precursors. The reaction of the two dispersions leads to de-intercalation of the interlayer ions from both the layered solids and the intercalation of the negatively charged graphene oxide sheets between the positively charged layers of the alpha-hydroxide. Thermal decomposition of the intercalated solids yields graphene/nanocrystalline metal oxide composites. Electron microscopy analysis of the composites indicates that the nanoparticles are intercalated between graphene layers. (C) 2010 Elsevier Ltd. All rights reserved.

https://doi.org/10.1016/j.carbon.2010.07.047