From：Serve (Xiamen) New Energy Co., Ltd. Release time：2019-02-22
Overview：Graphene has extraordinary electrical conductivity, strength tens of times greater than steel, and excellent light transmission properties. Graphene has a perfect two-dimensional plane structure, which is the source of its rich and novel physical phenomena.
Graphene has extraordinary electrical conductivity, strength tens of times greater than steel, and excellent light transmission properties.
Graphene has a perfect two-dimensional plane structure, which is the source of its rich and novel physical phenomena.
Graphene has a perfect symmetrical hexagonal structure, which is very stable, and the connection between carbon atoms is very flexible. Even under the impact of external forces, it can be maintained stable by bending deformation.
This unique structure makes graphene almost the best quality of many materials in the world. According to the test, it is the strongest two-dimensional material in nature so far, and its strength is usually tens of times that of ordinary steel. It has been estimated that a 1 square metre graphene hammock is enough to support a cat weighing 4 kg, while the weight of the hammock is only 0.77 mg, which is lighter than the cheek whisker of the cat and is invisible to the naked eye.
What attracts the most attention of the scientific community is its super conductivity. Tan Pingheng, a researcher at the Semiconductor Research Institute of the Chinese Academy of Sciences, introduced that graphene has a unique linear electron band structure, and its conducting electrons are massless Dirac fermions. Electrons in graphene move almost without resistance and move very fast, making it the least resistive material known in the world. Because of this feature, graphene is expected to be used to develop thinner, faster conducting new generation electronic components or transistors.
Graphene also has excellent room temperature thermal conductivity and transmittance. Its thermal conductivity is superior to that of carbon nanotubes and diamonds, and it is almost completely transparent, absorbing only 2.3% of the light. Transparent and good conductivity make it very suitable for manufacturing transparent touch screen, light panel and even solar cells.
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