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Soluble single-walled carbon nanotubes were oxidized with singlet oxygen ( 1 Δ g ) and the reaction progress was monitored utilizing FT-IR and UV–vis–NIR spectroscopy. The results indicate reversible covalent addition of oxygen to the walls of the nanotubes, most likely producing either the [2+2] or [4+2] cycloaddition product. Oxidative selectivity of singlet oxygen for metallic over...
Reduced fullerenes, the simplest covalent derivatives of the fullerene family of carbon allotropes, provide an excellent context for the study of the fundamental chemical reactivity of fullerenes. We have developed a general method for the formation of a number of these compounds. Using Zn(Cu) reduction, we have access to pure samples of several isomerically pure C 60 H n and...
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