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Preparation method of carbon nanotube composite wire

A carbon nanotube composite, carbon nanotube technology, applied in nanostructure manufacturing, nanotechnology, nanotechnology and other directions, can solve problems such as weak carbon nanotube binding force, achieve enhanced mechanical strength, enhanced van der Waals force, and improved mechanical properties Effect

Active Publication Date: 2017-05-17
TSINGHUA UNIV +1
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Problems solved by technology

[0004] However, the binding force between carbon nanotubes in the carbon nanotubes prepared by the preparation method is weak, therefore, the mechanical properties of the carbon nanotubes need to be further improved

Method used

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  • Preparation method of carbon nanotube composite wire
  • Preparation method of carbon nanotube composite wire
  • Preparation method of carbon nanotube composite wire

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preparation example Construction

[0023] See figure 1 , the embodiment of the present invention provides a method for preparing a carbon nanotube composite wire 80, comprising the following steps:

[0024] S10, providing at least one carbon nanotube film 10;

[0025] S20, providing a substrate 20 on which a graphene film 30 is grown;

[0026] S30, attaching the carbon nanotube film 10 to the surface of the graphene film 30 away from the substrate 20 to form a composite structure 40;

[0027] S40, removing the substrate 20 to form a carbon nanotube-graphene composite film 50;

[0028] S50 , rolling up and twisting the carbon nanotube-graphene composite film 50 to form a carbon nanotube composite wire 80 .

[0029] In step S10, the carbon nanotube film 10 includes a plurality of uniformly distributed carbon nanotubes. The carbon nanotubes can be one or more of single-wall carbon nanotubes, double-wall carbon nanotubes, and multi-wall carbon nanotubes. The carbon nanotubes in the carbon nanotube film 10 are ...

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Abstract

A method for preparing a carbon nanotube composite wire, comprising the steps of: providing at least one carbon nanotube film; providing a substrate on which a graphene film is grown; combining the carbon nanotube film and the graphene film The surface away from the substrate is compounded; the substrate is removed to form a carbon nanotube-graphene composite film; the carbon nanotube-graphene composite film is rolled up and twisted to form a carbon nanotube composite wire.

Description

technical field [0001] The invention relates to a preparation method of a carbon nanotube composite wire. Background technique [0002] Carbon nanotubes are hollow tubes made of rolled graphene sheets. Carbon nanotubes have excellent mechanical, thermal and electrical properties, and their application fields are very broad. For example, carbon nanotubes can be used to make field effect transistors, atomic force microscope tips, field emission electron guns, nano templates, etc. The application of carbon nanotubes in the above technologies is mainly the application of carbon nanotubes on a microscopic scale, and the operation is difficult. Therefore, it is of great significance to make carbon nanotubes have a macroscopic structure and apply them macroscopically. [0003] Jiang Kaili et al. successfully pulled a carbon nanotube line from a carbon nanotube array in 2002. For details, please refer to the literature "Spinning Continuous Carbon Nanotube Yarns", Nature, V419, P8...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B81C1/00B82B3/00B82Y40/00
CPCD02G3/16D10B2101/122B29C65/18D02G3/26
Inventor 林晓阳柳鹏张丽娜姜开利范守善
Owner TSINGHUA UNIV
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