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Keywords:

  • carbon nanotubes;
  • chemical vapor deposition;
  • fiber spinning
Thumbnail image of graphical abstract

Kilometers of continuous multifunctional carbon nanotube (CNT) yarns have been spun directly from chemical vapor deposition synthesis. The CNT yarn consists of multiple layers of high-purity double-walled CNTs stacked in seamless tubules or folded films along the yarn axis (see image). This multilayerd CNT yarn is promising for applications as engineering fibers, composites, and intelligent fabrics.