Carbon nano-tube thin film structure and preparation method thereof

Abstract

The present invention provides a preparing method of carbon nanotube film structure, including following steps: providing a carbon nanotube array; adopting a pulling tool to acquire at least two carbon nanotube films from the carbon nanotube array; providing a fixed frame, forming a multiple-layer carbon nanotube film structure by overlap adhereing the carbon nanotube film in the fixed frame; and treating the multiple-layer carbon nanotube film by an organic solvent. The carbon nanotube film structure prepared by the method includes at least two layers overlapped and cross-over installed carbon nanotube film, which includes multiple carbon nanotube bundle end to end and arranged in the direction, the multiple-layer carbon nanotube film further includes millipore crosswise formed by multiple carbon nanotube bundles.

Description

technical field [0001] The invention relates to a carbon nanotube film structure and a preparation method thereof. Background technique [0002] Carbon nanotubes are a new type of one-dimensional nanomaterials discovered in the early 1990s. The special structure of carbon nanotubes determines its special properties, such as high tensile strength and high thermal stability; with the change of the helical mode of carbon nanotubes, carbon nanotubes can exhibit metallic or semiconducting properties. Because carbon nanotubes have an ideal one-dimensional structure and excellent properties in the fields of mechanics, electricity, and heat, they have shown broad application prospects in interdisciplinary fields such as materials science, chemistry, and physics. They are widely used in scientific research and industrial applications. has also received increasing attention. [0003] Although carbon nanotubes have excellent properties and are widely used, generally the prepared carb...

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Problems solved by technology

[0005] However, in the above-mentioned carbon nanotube film structure obtained by direct growth method or spraying method, carbon nanotubes are often easily aggregated into agglomerates, resulting in uneven film thickness.

The structure of the above-mentioned carbon nanotube film prepared by the LB method is generally a uniform network structure, and the carbon nanotubes are uniformly dispersed and not agglomerated. However, the carbon nanotubes are still arranged in disorder in the film, which is not conducive to fully utilizing the carbon nanotubes. performance, its application is still limited

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