Whisker-like carbon nanotubes

"Whisker-like carbon nanotubes can be associated with hair, but in fact, their diameter is only a few tens of thousands of times smaller than that of a hair, that is, tens of thousands of carbon nanotubes lined up side by side are equivalent to a hair." Carbon nanotubes can be regarded as graphene sheets curled up, so they can be divided into single-walled carbon nanotubes and multi-walled carbon nanotubes according to the number of graphene sheets. According to their structural characteristics, carbon nanotubes can be divided into several types, such as armchair nanotubes and zigzag nanotubes....

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"Whisker-like carbon nanotubes can be associated with hair, but in fact, their diameter is only a few tens of thousands of times smaller than that of a hair, that is, tens of thousands of carbon nanotubes lined up side by side are equivalent to a hair."

Carbon nanotubes can be regarded as graphene sheets curled up, so they can be divided into single-walled carbon nanotubes and multi-walled carbon nanotubes according to the number of graphene sheets. According to their structural characteristics, carbon nanotubes can be divided into several types, such as armchair nanotubes and zigzag nanotubes.

"The preparation process of carbon nanotubes is similar to that of organic synthesis reactions, and its side reactions are complex and diverse. It is difficult to ensure that all carbon nanotubes in the same furnace are armchair nanotubes or zigzag nanotubes." Du Pingwu said that under the action of strong acid and ultrasound, carbon nanotubes can be broken into several sections first, and then proliferated and extended under the action of certain nanoscale catalyst particles, and the carbon nanotubes obtained after extension have the same curling mode as the template.

Carbon nanotube touch screens have the characteristics of flexibility, anti-interference, waterproof, knock and scratch resistance, and can be made into curved surfaces. They have been applied in wearable devices, smart furniture and other fields.

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