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Carbon nanotube (CNT) fibers that are many times stronger and stiffer per weight than the best existing engineering fibers and over twenty times better than other reported CNT fibers are described (see figure). Additionally, these CNT fibers are nonbrittle and tough, making them far superior to existing materials for preventing catastrophic failure. Supporting information for this article is available on the WWW under http: //www. wiley-vch. de/contents/jc₂089/2007/c0776ₛ. pdf or from the author. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.
Zhang et al. (Wed,) studied this question.