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Are carbon nanotubes the same as graphene nanotubes

1. What is graphene?
Graphene material is a high-end material in the manufacturing industry and is even known as the strongest crystal in the world. This material has excellent thermal conductivity and electrical conductivity and has strong moldability. It can be called a universal superconducting material. It is precise because of the huge potential of graphene in industrial development that Chinese scientists have been paying close attention to the development of graphene material technology for a long time, and striving to break through this technology. Now graphene has achieved success in the field of chips.
2. What are carbon nanotubes?
Carbon nanotubes, also known as bucky tubes, are a one-dimensional quantum material with a special structure (the radial dimension in nanometers, the axial dimension is micrometers, and both ends of the tube are basically sealed). Carbon nanotubes are mainly composed of carbon atoms arranged in hexagons to form coaxial circular tubes with several to tens of layers. Keep a fixed distance between layers, about 0.34nm, and the diameter is generally 2-20 nm. And according to the different orientations of the carbon hexagon along the axial direction, it can be divided into three types: zigzag, armchair and spiral. Among them, spiral carbon nanotubes have chirality, while zigzag and armchair carbon nanotubes have no chirality.

3. What is the graphene nano-electric heating tube?
The graphene nano electric heating tube abandons the traditional heating wire and uses tin dioxide as the main body to process various auxiliary materials into nano-levels using a unique method. It is configured with a dozen chemical materials and divided into several components, and heated and stirred Modulate in chronological order. And the production process of the CVD (vapor deposition) coating method is simple, saves raw materials, ensure that no more volatile organic compounds are released, and can be used for a long time. And the heating body can quickly generate heat from linear to planar.
The graphene nano heating tube uses a vapor deposition coating method to attach the heating body to the quartz glass, and the surface of the quartz glass is relatively smooth and cannot be attached to scale compounds.
4. What is the difference between the two?
The graphene nano heating tube discards the traditional heating wire and turns to the nano evaporation method to make the heating body heat evenly and greatly prolongs the use time. The graphene nano heating tube uses quartz glass on the surface, which is not easy to adhere to scale.
The preparation method of carbon nanotubes is chemical vapor deposition. The process is divided into three important stages: the reaction gas diffuses to the surface of the substrate, the reaction gas is adsorbed on the surface of the substrate, and the chemical reaction occurs on the surface of the substrate to form solid deposits and the resulting vapor phase. The product leaves the surface of the substrate. The most common chemical vapor deposition reactions are thermal decomposition reaction, chemical synthesis reaction and chemical transport reaction. Usually, TiC or TiN is deposited by introducing TiCl4, H2, CH4 and other gases into the reaction chamber at 850~1100°C. After cthe hemical reaction, a coating is formed on the surface of the substrate.
The graphene nano heating tube is quartz glass with a thin film attached to it, and this thin film is a transparent conductive film made of carbon nanotubes.
5. Is graphene stronger than carbon nanotubes?
In essence, both carbon nanotubes and graphene are graphite materials, but the arrangement and combination of carbon atoms are different, forming spiral carbon nanotubes and flake graphene, so they both have some of the same graphite properties.
In the long run, graphene is far superior to carbon nanotubes or any other known nanofillers in transferring its extraordinary strength and mechanical properties to the host material. Although carbon nanotubes have achieved corresponding results in current research, in the long run, graphene's wide application and unique two-dimensional structure seem to have more advantages in becoming a "next-generation semiconductor material".
Although graphene and carbon nanotubes have a similar pre-existence, they are likely to have a different future. There are many reasons, but ultimately it can be attributed to the dispute between one-dimensional materials and two-dimensional materials. Nanowires and nanotubes are often at a disadvantage in the competition with thin-film materials. Take carbon nanotubes as an example. A single carbon nanotube can be regarded as a single crystal with a high aspect ratio. However, the current synthesis and assembly technology cannot obtain carbon nanotube crystals with macroscopic dimensions, thus limiting the carbon Application of nanotubes. The advantage of graphene is that it is a two-dimensional crystal structure with several record-breaking properties (strength, electrical conductivity, heat conduction), and can achieve continuous growth in a large area. The combination of bottom-up and top-down has bright future application prospects. 

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