Large-Scale Synthesis, Annealing, Purifi
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N.βJ. Tang; W. Zhong; C.βT. Au; A. Gedanken; Y. Yang; Y.βW. Du
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Article
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2007
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John Wiley and Sons
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English
β 751 KB
## Abstract Crystalline helical carbon nanotubes (HCNTs) are synthesized as the main products in the pyrolysis of acetylene at 450βΒ°C over Fe nanoparticles generated by means of a combined solβgel/reduction method. Transmission electron microscopy (TEM) images reveal that there are two HCNTs attach