Single And Multi Layer Graphene Powder

What is graphene?
Structure and composition: Graphene is a two-dimensional material formed by a single layer of carbon atoms arranged in a hexagonal grid. This structure gives graphene high strength and rigidity while at the same time being very flexible and can be bent and twisted.
Electronic properties: Graphene’s electronic properties of are very special, and it is one of the most conductive materials known. The speed of its electrons is extremely high, far exceeding that of traditional semiconductor materials such as silicon. This gives graphene great potential in electronics to make smaller, faster, and more efficient electronic devices.
Mechanical properties: Graphen's mechanical properties of are also excellent, and it is one of the strongest materials currently known. Due to its tight grid of carbon atoms, graphene is extremely strong and malleable and can withstand extreme external pressures and pulls. This gives graphene potential in the manufacture of high-performance mechanical and structural materials.
Thermal properties: The thermal properties of graphene are also very stable and can maintain its structure and function at high temperatures. This means graphene can be handled and processed at high temperatures without significant performance degradation.
Chemical properties: The chemical properties of graphene are relatively stable, but under the right conditions, it can also chemically react with other substances. This allows graphene to be chemically modified to change its properties and function, which has potential applications in fields.
 

Single And Multi Layer Graphene Powder

Our Company produced single layer graphene powder with a very large surface area 500 ~ 1200m2/g.
single layer graphene
single layer graphene Purity: >99.3wt%
single layer graphene single layer ratio: 97%
single layer graphene Thickness: 0.55nm - 1.2nm
single layer graphene  Diameter: 1μm - 12μm
single layer graphene Specific Surface Area: 500 - 1200m2/g
single layer graphene Color: Black
single layer graphene Conductivity: 1000-1500 S/M
single layer graphene The Product COA: C=99.6%, O<0.4%

Application of Graphene Powder:
Electronic devices: Graphene has high electron mobility and electrical conductivity, making it have a range of applications in the field of electronic devices. Graphene transistors can make smaller, more efficient electronic devices, such as high-speed transistors, field effect tubes, integrated circuits, etc. In addition, graphene can also be used to manufacture transparent electronic devices, such as transparent electrodes, solar cells, and so on.

Energy sector: Graphene also has a wide range of potential applications in the energy sector due to its electrical conductivity and mechanical properties. It can be used to make high-efficiency batteries and supercapacitors. Its high energy storage density, fast charging speed, and long life make graphene have great potential in mobile devices and electric vehicles. In addition, graphene can also be used to make new energy devices such as high-efficiency solar cells and fuel cells.

Biomedical field: Graphene also has a wide range of potential applications in the biomedical field due to its biocompatibility and non-toxicity. It can be used in drug delivery, biological imaging, cancer treatment, and other fields. For example, graphene can be used for drug delivery to precisely deliver drugs to diseased areas, thereby improving the therapeutic effectiveness of drugs and reducing side effects. In addition, graphene can also be used to manufacture biosensors, such as blood sugar sensors, blood pressure sensors, etc.

Materials field: Graphene also has a range of potential applications in the field of materials due to its mechanical, thermal, and chemical stability. It can manufacture high-performance composite materials, structural materials, and protective materials. For example, graphene can enhance the properties of metal matrix composites and plastic composites, thereby increasing their strength, toughness, and durability. In addition, graphene can also be used to make protective materials, such as body armor, armored vehicles, etc.

Environmental field: Graphene also has potential applications in the environmental field due to its adsorption capacity and chemical stability. It can be used in water, atmospheric, and other fields. For example, graphene can be used in water treatment to purify water bodies by adsorbing and degrading organic pollutants. In addition, graphene can also be used for atmospheric treatment by adsorption and decomposition of harmful substances in the air to purify the atmosphere.

Production Method of Graphene Powder:
Mechanical stripping method: Mechanical stripping is a relatively simple method that uses the van der Waals forces between graphene and the substrate to peel the graphene from the substrate. The step is to place the graphene raw material on the substrate, annealing it at high temperatures. The van der Waals force between the graphene and the substrate is weakened, and then the graphene is stripped from the substrate by mechanical action. However, this method is difficult for large-scale production, and the quality of graphene is unstable.

Chemical vapor deposition: It is a commonly used method of preparing graphene to deposit a gas containing a carbon source on the substrate under a catalyst. The specific step is to place the substrate in a gas containing a carbon source, and at high temperatures, carbon atoms react on the substrate to deposit graphene. This method can prepare high-quality graphene, but the process requires catalysts, and the reaction conditions are more violent and difficult to control.

REDOX method: REDOX method is a relatively novel method, which reacts natural graphite with strong acid to produce graphitic acid and then reduces graphitic acid to graphene under the action of reducing agents. The step is to react natural graphite with strong acid to produce graphitic acid solution and then add a reducing agent to reduce graphitic acid to graphene at a certain temperature and pressure. This method can produce graphene on a large scale, and the quality of graphene is high, but the preparation process requires the use of a large number of chemical reagents and energy, and the cost is high.

Packing & Shipping of graphene powder:
Graphene powder shipping: could be shipped out by sea, by air, by express, as soon as possible once payment receipt.
Graphene powder packing:vacuum packing, 100g, 500g or 1kg/bag, 25kg/barrel, or as your request.
We have many different kinds of packing which depend on the graphene powder quantity.

Packing & Shipping

Storage Condition of Graphene Powder

The damp reunion will affect graphene powder dispersion performance and using effects, therefore, graphene powder should be sealed in vacuum packing and stored in cool and dry room, the graphene powder can not be exposure to air. In addition, the graphene powder should be avoided under stress.
If you are looking for high-quality graphene powder, please feel free to contact us and send an inquiry. ([email protected])
Luoyang Tongrun Nano Technology Co. Ltd. (TRUNNANO) is a trusted global chemical material supplier & manufacturer with over 12-year-experience in providing super high-quality chemicals and Nanomaterials, including boride powder, nitride powder, graphite powder, sulfide powder, 3D printing powder, etc.

FAQs of Graphene Powder:

Q:  How Is Graphene Powder Produced?

A: Graphene powder can be produced through several methods, each with its advantages and limitations: Exfoliation Methods: These include chemical exfoliation and mechanical exfoliation. Chemical exfoliation involves using strong acids or solvents to separate graphite into individual graphene layers. Mechanical exfoliation, such as the Scotch tape method, physically peels off graphene layers from bulk graphite. Chemical Vapor Deposition (CVD): In this process, a carbon-containing gas is decomposed at high temperatures over a metal catalyst substrate, leading to the formation of graphene layers. CVD is widely used for producing high-quality, large-area graphene but may not always yield powder form directly. Reduction of Graphene Oxide (GO): Graphene oxide is first synthesized by oxidizing graphite, then reduced back to graphene using chemical reducing agents or thermal treatments. This method is cost-effective and scalable, making it suitable for industrial production of graphene powders. Each production method influences the quality, purity, and properties of the resulting graphene powder, impacting its suitability for various applications.

Q:  What Are the Key Applications of Graphene Powder?

A: Graphene powder's remarkable properties make it highly versatile across numerous industries: Electronics: Utilized in flexible electronics, transistors, and sensors due to its superior electrical conductivity and mechanical flexibility. Energy Storage: Incorporated into batteries, supercapacitors, and fuel cells to enhance energy density, charge/discharge rates, and cycle life. Composites: Added to polymers, metals, and ceramics to improve mechanical strength, thermal conductivity, and wear resistance. Coatings and Paints: Used to create anti-corrosion coatings, conductive paints, and self-cleaning surfaces. Biomedical Applications: Explored in drug delivery systems, biosensors, and tissue engineering scaffolds due to its biocompatibility and ability to interface with biological systems. The broad applicability of graphene powder stems from its outstanding physical and chemical properties, making it a transformative material in many fields.

Q: What Safety Precautions Should Be Taken When Handling Graphene Powder?

A: Handling graphene powder requires adherence to safety protocols to ensure worker health and environmental protection: Dust Control: Use appropriate ventilation systems and personal protective equipment (PPE) such as respirators to minimize inhalation of graphene dust. Fire Hazards: Graphene powder can be flammable; store it in a cool, dry place away from ignition sources. Skin and Eye Protection: Wear gloves and safety goggles to prevent skin contact and eye irritation. Proper Disposal: Follow local regulations for disposing of unused or waste graphene powder to avoid environmental contamination. Material Safety Data Sheets (MSDS): Always refer to MSDS for detailed information on handling, storage, and disposal procedures. By following these guidelines, users can safely handle graphene powder and mitigate potential risks.

Q: What Are the Environmental Considerations for Using Graphene Powder?

A: Environmental considerations for using graphene powder focus on minimizing impact throughout its lifecycle: Sourcing: Ensure that raw materials like graphite are sourced responsibly from sustainable mining operations. Production: Manufacturers should implement energy-efficient processes and reduce emissions during production. Innovations in green chemistry can also help lower the environmental footprint. Application: Optimize the use of graphene powder to reduce waste and maximize efficiency in applications. Disposal and Recycling: Properly manage end-of-life products containing graphene powder to prevent pollution and promote recycling where possible. Research into recycling methods for graphene-based materials is ongoing.