Direct synthesis of long single-walled carbon nanotube strands |
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| Authors: | Zhu H W Xu C L Wu D H Wei B Q Vajtai R Ajayan P M |
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| Institution: | Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China. |
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| Abstract: | In the processes that are used to produce single-walled nanotubes (electric arc, laser ablation, and chemical vapor deposition), the typical lengths of tangled nanotube bundles reach several tens of micrometers. We report that long nanotube strands, up to several centimeters in length, consisting of aligned single-walled nanotubes can be synthesized by the catalytic pyrolysis of n-hexane with an enhanced vertical floating technique. The long strands of nanotubes assemble continuously from arrays of nanotubes, which are intrinsically long. |
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