Abstract

This As a new type of nano-carbon materials , CNTs have special structure and exhibit excellent mechanical properties, electrical properties, electromagnetic properties, the unique micro-structure, high aspect ratio and high specific surface area. So CNTs have great potential value in many areas. However, there are a large number of catalyst particles and amorphous carbon particles in CNTs during preparation. So carbon nanotubes must be purified before used. This thesis studied the purity of CNTs by microwave technology, improved the surface of the carbon nanotubes, strengthen the structure and properties of carbon nanotubes, reduced the impurities of CNTs, the pretreatment of CNTs has been expanded and got the best parameter of microwave technology

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