Browsing by Author "Arbiol, Jordi"
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Item Reductive functionalization of single-walled carbon nanotubes with lithium metal catalyzed by electron carrier additives(2008-07-08) García-Gallastegui, Ainara; Obieta, Isabel; Bustero, Izaskun; Imbuluzqueta, Gorka; Arbiol, Jordi; Miranda, José Ignacio; Aizpurua, Jesus M.; Tecnalia Research & Innovation; PRINTEX; SISTEMAS FOTOVOLTAICOSLithium metal can be used to reduce single-walled carbon nanotubes (SWNT) to carbide-like species under the catalytic effect of di-tert-butyl-biphenyl (DTBP). The resulting nanotube polycarbanions show a significantly increased dispersability in THF and react "in situ" with trimethylchlorosilane, methyl methacrylate, and methyl N-acetamidoacrylate to afford covalently functionalized silyl nanotubes and polymer-wrapped SWNT. The density and average length of the polymer chains attached to the nanotube wall can be widely modified by varying the amount of monomer, lithium, and catalyst.