Product Introduction

Graphene is a two-dimensional carbon nanomaterial composed of carbon atoms arranged in a hexagonal honeycomb lattice through sp² hybrid orbitals. It is currently known as the thinnest and hardest nanomaterial, possessing properties such as ultra-thinness, ultra-lightness, ultra-flexibility, ultra-high strength, superior electrical conductivity, excellent thermal conductivity, and light transmittance. Combining multiple outstanding characteristics—including good light transmittance, high thermal conductivity, high electron mobility, low resistivity, and high mechanical strength—graphene holds vast and significant application potential in fields such as electronics, optics, magnetism, biomedicine, catalysis, energy storage, and sensors. As a super material set to dominate future high-tech competition, it is often referred to as "black gold" and "the new material**."

Product Applications

1. Sensor

Graphene can be used to create chemical sensors, a process primarily achieved through its surface adsorption properties. According to research by some scholars, the sensitivity of graphene-based chemical detectors can rival the limits of single-molecule detection. Graphene's unique two-dimensional structure makes it highly sensitive to its surrounding environment. It is an ideal material for electrochemical biosensors, and sensors made from graphene demonstrate excellent sensitivity in medical applications for detecting substances such as dopamine and glucose.

2. Transistor

Due to the high structural stability of graphene, it can be used to manufacture transistors that operate stably even at scales approaching that of a single atom. In contrast, current silicon-based transistors lose stability at scales around 10 nanometers. Additionally, the extremely fast response of electrons in graphene to external fields enables transistors made from it to achieve exceptionally high operating frequencies. For instance, IBM announced in February 2010 that it had increased the operating frequency of graphene transistors to 100 GHz, surpassing silicon transistors of comparable size.

3. Flexible Display Screen

Flexible screens have garnered significant attention at the Consumer Electronics Show, emerging as a key trend for the future development of mobile device displays. The market for flexible displays holds great promise, and graphene, as a foundational material, is also viewed optimistically. Researchers in South Korea have **created a flexible transparent display composed of multi-layer graphene and a glass fiber polyester sheet substrate**. Scientists from Samsung and Sungkyunkwan University in South Korea produced a television-sized piece of pure graphene on a 63-centimeter-wide flexible transparent glass fiber polyester board. They claim this is the largest graphene block ever created. Subsequently, they used this graphene block to manufacture a flexible touchscreen. The researchers suggest that, theoretically, people could roll up a smartphone and tuck it behind their ear like a pencil.

4. New Energy Batteries

New energy batteries are also a major area where graphene has been commercialized early on. The Massachusetts Institute of Technology has successfully developed flexible photovoltaic panels coated with a graphene nanocoating, which can significantly reduce the cost of manufacturing transparent, deformable solar cells. These cells have the potential to be used in small digital devices such as night-vision goggles and cameras. Additionally, the successful development of graphene super batteries has addressed the issues of insufficient capacity and long charging times in new energy vehicle batteries, greatly accelerating the development of the new energy battery industry. This series of research achievements has paved the way for the application of graphene in the new energy battery sector.

5. Seawater Desalination

Graphene filters are used much more extensively than other seawater desalination technologies. When graphene oxide membranes in an aqueous environment come into close contact with water, they can form channels approximately 0.9 nanometers wide, allowing ions or molecules smaller than this size to pass through rapidly. By mechanically compressing the capillary channels within the graphene membrane to further reduce their size and control the pore diameter, it is possible to efficiently filter out salt from seawater.

6. Hydrogen Storage Materials

Graphene possesses advantages such as light weight, high chemical stability, and high specific surface area, making it a **candidate** for hydrogen storage materials.

7. Aerospace

Due to its high electrical conductivity, high strength, and ultra-lightweight properties, graphene also offers outstanding advantages in the aerospace **field**. In 2014, NASA developed a graphene sensor for aerospace applications, which can effectively detect trace elements in the Earth's upper atmosphere and structural defects on spacecraft. Additionally, graphene is expected to play an even more significant role in potential applications such as ultra-light aircraft materials.

8. Photosensitive Element

A new type of photosensitive element made of graphene as the photosensitive material is expected to achieve a photosensitivity thousands of times higher than existing CMOS or CCD sensors through a special structure, while consuming only 10% of the energy. It can be applied in the fields of surveillance and satellite imaging, as well as in cameras, smartphones, and more.

9. Composite Materials

Graphene-based composite materials represent a significant research direction in the field of graphene applications, demonstrating excellent performance in areas such as energy storage, liquid crystal devices, electronic devices, biomaterials, sensing materials, and catalyst supports, with broad application prospects. Current research on graphene composites primarily focuses on graphene-polymer composites and graphene-based inorganic nanocomposites. As studies on graphene deepen, increasing attention is being paid to the application of graphene reinforcements in bulk metal matrix composites. Multifunctional polymer composites and high-strength porous ceramic materials made from graphene enhance many special properties of composite materials.

10. Biology

Graphene has been used to accelerate the osteogenic differentiation of human bone marrow mesenchymal stem cells, as well as to fabricate biosensors based on epitaxial graphene on silicon carbide. Additionally, graphene can serve as a neural interface electrode without altering or compromising performance, such as signal strength or scar tissue formation. Due to its properties of flexibility, biocompatibility, and electrical conductivity, graphene electrodes are significantly more stable in vivo than tungsten or silicon electrodes. Graphene oxide is highly effective in inhibiting the growth of Escherichia coli without harming human cells.

Packaging and Storage
This product is packaged in inert gas-filled plastic bags and should be stored sealed in a dry, cool environment. It should not be exposed to air to prevent moisture-induced oxidative agglomeration, which may affect dispersion performance and usage effectiveness. Packaging quantities can be provided according to customer requirements, with sub-packaging available.