Thin graphene

Thin grapheneProduct Name Name: Thin graphene Product Overview Graphene is a two dimensional carbon nanomaterial composed of carbon atoms in a hexagonal honeycomb lattice, with numerous unique properties, widely used in various fields. The research on graphene can be traced back to 1948, when Austrian scientists Russ and Wager were the first to use transmission electron microscopy to capture images of a small amount of graphene layers. In 2004, British scientists

Product Name

^{Name: Thin graphene}

^{Product Overview}

^{Graphene is a two-dimensional carbon nanomaterial composed of carbon atoms in a hexagonal honeycomb lattice, with numerous unique properties, widely used in various fields. The research on graphene can be traced back to 1948, when Austrian scientists Russ and Wager were the first to use transmission electron microscopy to capture images of a small amount of graphene layers. In 2004, British scientists Andrei Geim and Konstantin Novoselov successfully peeled off a single layer of graphene, which attracted widespread attention and won them the 2010 Nobel Prize in Physics.
Graphene is a two-dimensional carbon element, and single-layer graphene is composed of single-layer carbon atoms. Each carbon atom is connected in sp ² hybrid form to form a hexagonal honeycomb like two-dimensional structure. The C-C bond length in graphene is about 0.142nm, the bond angle is 120 °, and the thickness is only 0.35nm.
Graphene is currently one of the strongest known materials, with excellent mechanical, electrical, and optical properties. It has a low resistivity and superior conductivity, and the quantum Hall effect can be observed at room temperature. In addition, graphene also possesses transparency and nonlinear optical properties.
The reactivity of graphene is mainly concentrated at the boundary groups and planar defects. It can be oxidized at high temperatures or react with oxidizing acids to produce products such as CO and CO ¡ãC Graphene can also be connected to oxygen-containing groups to generate graphene oxide, or connected to other groups to generate corresponding derivatives.
Graphene can be synthesized through mechanical exfoliation, chemical vapor deposition, redox, electrochemical and other methods.}

^{Technical Parameter}

Thickness: ~2nm

Purity: 98%

Flake Diameter: 2-3um

Electrical Conductivity: 400-1000 S/cm

Preparation Method: Ultrasonic exfoliation method

^{Product Features}

The graphene provided by Xianfeng Nano is prepared by liquid-phase ultrasonic exfoliation, with a complete structure and few defects, and has the following characteristics:
Excellent conductivity: Graphene has strong electron free activity on the π bond, low electrical resistivity, and superior conductivity.
High strength and toughness: Graphene is one of the materials known to have the highest strength and excellent toughness.
Good thermal conductivity: Pure defect free single-layer graphene is currently the carbon material with the highest thermal conductivity.
Chemical stability: Graphene has a very stable structure and flexible connections between carbon atoms, exhibiting good stability at room temperature.
Adjustable size: can provide various thicknesses of graphene.

Application Fields

The theoretical application fields of graphene include but are not limited to the following aspects:
In the field of electronics, silicon can be used as a substitute for chip materials, applied in transistors, integrated circuits, flexible screens, wearable devices, solar charging, etc;
In the field of heat dissipation materials: it can be used for heat dissipation of LED lamps and other products, with a system cost reduction of at least 30%. It can also be applied for heat dissipation of smartphones, tablets, high-power energy-saving LED lighting, satellite circuits, laser weapons, etc;
In the automotive field, it can be applied to automotive lubricants, power vehicles, night vision functions, tires, etc., greatly reducing the weight of the battery and reducing the overall weight of the vehicle, extending the battery life, and greatly improving the range and charging speed of electric vehicles;
Biomedical field: can be used for biosensors, drug delivery platforms, tissue engineering, biological imaging, etc;
Military industry: can be applied in aerospace and military industries, providing endless power for interstellar exploration, satellite orbit transformation, and other fields;
Energy field: can be used for new energy devices such as lithium-ion batteries, supercapacitors, solar cells, etc;
Composite materials field: can be used to produce new generation polymers and composite materials with stronger performance;
Sensor field: can be used for the diagnosis of glucose, cholesterol, hemoglobin, and cancer cells, and can also be used as a pH sensor to detect pollutants;
Coating field: can be used on various surfaces from glass to metal to improve corrosion resistance, new generation waterproof equipment, etc;
Conductive printing and packaging field: It can provide high conductivity, flexibility, high-speed printing, and low-temperature curing, opening the door to printed electronic products for special applications.

^{Related Information}

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