Intercalation of pyrographite by NO2+ and NO+ salts |
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| Authors: | D Billaud A Pron F Lincoln Vogel A Hérold |
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| Affiliation: | xx. Department of Chemistry - University of Pennsylvania - Philadelphia PA 19104 - Etats-Unis USA;xxx. Department of Electrical Engineering and Science - University of Pennsylvania - Philadelphia PA 19104 - Etats-Unis USA |
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| Abstract: | BF4?, PF6? and SbF6? ions have been intercalated into pyrographite HOPG by chemical oxidation. The graphite is oxidized by NO2+ (or NO+ in certain experiments) coming from NO2BF4, NO2PF6 and NO2SbF6 (or NOSbF6) salts dissolved in dry nitromethane. X-ray diffraction allows us to determine the identity period along the axis leading to the stage n and the interpianar distance dI. Relative weight change leads us to believe that the MFx? anions are solvated by the solvent. Chemical analyses confirm this hypothesis allowing us to give to these compounds the ideal formula C+23nMF?x (CH3NO2)y. |
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