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Published online by Cambridge University Press: 01 February 2011
Closed packed film of single-walled carbon nanotubes (SWCNTs) with nanometer thickness was fabricated using a liquid-liquid interface. SWCNT was solubilized into water using sodium dodecyl sulfate as a surfactant. The SWCNTs in SDS-water suspension were used as a water phase and n-hexane was added to the suspension to form a liquid-liquid interface. After addition of ethanol to the mix solution, SWCNTs were assembled at the interface. The film form at the interface was transferred onto a silicon substrate. The AFM image of the transferred film shows a closed packed SWCNT film with a few nanometers thicknesses.