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Adsorption properties of carbon tetrachloride (CCl 4 ) on single walled carbon nanotubes (SWNTs) before and after mechanical cutting were investigated by adsorption volumetry between 224 and 232 K. Physical adsorption of CCl 4 on the outer surface of bundles, in the grooves and inside opened tubes is discussed in the light of the results obtained under similar conditions for krypton...
Single-walled carbon nanotubes produced by the MER Corporation have been treated in an argon atmosphere at temperatures between 1400 and 2400°C. The modifications resulting from the heat treatment have been followed by adsorption volumetry and TEM measurements. 1600°C appears as a turning point for the high temperature treatments. Heating nanotubes up to 1600°C essentially results in the removal of...
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