Figure 1.

Film-to-fiber processing. (a) Freestanding SWNT thin film with a coin on it. (b) Fiber formation through a wetting/drying process. (c) Fiber twisting. (d) A single fiber bearing a 200-g weight.

Jia et al. Nanoscale Research Letters 2012 7:137   doi:10.1186/1556-276X-7-137
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