Patent ID: 8591771

Claim:
A dispersed solution of carbon nanotubes, comprising: carbon nanotubes; an organic solvent; a spacer; and a dispersant, wherein the dispersant is a compound comprising: a head moiety comprising a substituted or unsubstituted C 5 to C 30 aromatic hydrocarbon group or a substituted or unsubstituted C 3 to C 30 heterocyclic aromatic group; and a tail moiety comprising a repeat unit selected from the group consisting of an acrylate group, an ethylene oxide group, a propylene oxide group, and an alkyl group, wherein the head moiety and the tail moiety are connected to each other, and the molecular weight of the dispersant is less than or equal to about 20,000, wherein the dispersant is a compound represented by Formulae 9 through 11: wherein n is 1 to 12, and m and p are each independently 1 to 60.