Structural Characteristics and Properties of a New Graphitic-Based Material

摘要

The hydrogenation of commercial graphite using lithium/ammonia as the reducing agent and tert-butyl alcohol as a proton source was investigated. Characterization of the products after successive reductions of the same material by high-resolution transmission electron microscopy revealed a new material that was replete with edge and circular dislocations. Analysis by solid-state C-13 NMR spectroscopy indicates that after three reductions, the remaining aromatic rings appear to be interior benzene rings. NMR spectroscopy also offers strong evidence for the presence of small amounts of tert-butyl alcohol and ethanol (workup solvent) that could not be removed in vacuo from the samples. These compounds could be observed to move freely between the layers of the hydrographene.