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From the application aspect, single-walled carbon nanotube (SWCNT) film which contains SWCNTs with all kinds of chiralities is very attractive since it can suppress the differences among individual nanotubes. In this work, a layer-by-layer vacuum filtration method was adopted for the fabrication of SWCNT films with controllable thickness and film density. The electrical transport properties of the SWCNT films with different layers have been investigated. The effect of thermal annealing and subsequent acid (HNO3) treatment on the electrical properties of the SWCNT films has also been studied.
Date of Conference: 14-16 Oct. 2010