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Chlorographene
For inorganic compounds of carbon, chlorographene is fully chlorinated graphene with the chemical formula of (CCl)n. Upon reaction with chlorine, graphene's ''sp''2 planar lattice structure is transformed to ''sp''3 hybridized buckled structure, this structure is similar to hydrogenated graphene (graphane) and fluorinated graphene (fluorographene). Early derivatives Although graphene is one of the most mechanically strong material having a wide range of extraordinary properties, practical device applications are limited by its metallic behavior and sensitivity to surface adsorbates. Efforts to synthesize chemically modified graphene composites with tailored electronic, optical, and chemical properties have presented new directions in graphene research. In particular, band gap engineering of graphene through chemical modification, such as oxygenation, hydrogenation and fluorination''Properties of Fluorinated Graphene Films'' is appealing for electronic applications, since the sc ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fluorographene
Fluorographene (or perfluorographane, graphene fluoride) is a fluorocarbon derivative of graphene.''Properties of Fluorinated Graphene Films'' It is a two dimensional carbon sheet of sp3 hybridized carbons, with each carbon atom bound to one fluorine. The chemical formula is . In comparison, Teflon ( polytetrafluoroethylene), -(CF2)n-, consists of carbon "chains" with each carbon bound to two fluorines. Unlike fluorographene, graphene is unsaturated ( sp2 hybridized) and completely carbon. The hydrocarbon analogue to fluorographene is sp3 hybridized graphane. Similar to other fluorocarbons (e.g. perfluorohexane), fluorographene is highly insulating. Fluorographene is thermally stable, resembling polytetrafluoroethylene; however, chemically it is reactive. It can be transformed back into graphene by reaction with potassium iodide at high temperatures. During reactions of fluorographene with NaOH and NaSH simultaneous reductive defluorination and substitution are observed. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
