Carbon nanotube yarn and method for making the same
a carbon nanotube and yarn technology, applied in the field of nanotubes, can solve the problems of difficult manipulation of carbon nanotubes as a microscopic level, and the almost never use of carbon nanotubes in microscopic applications
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[0022]Reference will now be made to the drawings to describe in detail the preferred embodiments of the present carbon nanotube yarn and method for making the same, in detail.
[0023]Referring to FIG. 1, a method for making carbon nanotube yarn includes the steps of:[0024](1) providing a carbon nanotube array 20;[0025](2) drawing out a number of carbon nanotube yarn strings 22 from the carbon nanotube array 20;[0026](3) treating the number of carbon nanotube yarn strings 22 using an organic solvent 50 in a manner such that the number of carbon nanotube yarn strings 22 are formed into a single strand of carbon nanotube yarn 30.
[0027]In the step (1), the carbon nanotube array 20 is generally a super-aligned carbon nanotube array. The carbon nanotube array 20 can be manufactured using a chemical vapor deposition method. The method is disclosed in U.S. Pat No. 7,045,108, which is incorporated herein by reference. For illustrative purposes, the method for manufacturing the carbon nanotube ...
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