Graphene Carbon Nanotubes 6wt% in Water Dispersion
| Graphene Carbon Nanotubes 6wt% in Water Dispersion | |
| Product No | NRE-39004 |
| CAS | NA |
| Purity | > 97% |
| Average Diameter | >55 nm |
| Average Length | 10-30 um (TEM) |
| Special Surface Area(SSA) | > 60 m2/g (BET) |
| Tap Density | 0.12 g/cm3 |
| True Density | 2.1 g/cm3 |
| Electric Conductivity | > 100 S/cm |
| Thermal Conductivity | NA |
Graphene Carbon Nanotubes
Introduction
Graphene and carbon nanotubes (CNTs) are two of the most exciting and revolutionary materials in the field of nanotechnology, with a wide range of potential applications across various industries. These materials are carbon-based and exhibit extraordinary properties, including high electrical and thermal conductivity, exceptional mechanical strength, and flexibility.
Different Applications
Electronics and Optoelectronics
Graphene-based Transistors: Graphene is being researched as a replacement for silicon in transistors, especially for high-speed and low-power applications. Graphene’s high electron mobility allows for faster switching speeds in electronic devices.
Flexible Electronics: Both graphene and CNTs are used in flexible and stretchable electronics, such as bendable touchscreens, wearable devices, and rollable displays.
Photodetectors and Solar Cells: Graphene’s ability to absorb a broad range of light wavelengths makes it an excellent material for use in optoelectronic devices, including photodetectors and solar cells.
Supercapacitors: CNTs and graphene are used to manufacture supercapacitors, which store large amounts of energy and release it quickly. They are used in high-power applications like electric vehicles and energy storage systems.
Energy Storage and Conversion
Batteries: Graphene and CNTs enhance the performance of lithium-ion batteries by improving the conductivity and stability of electrodes. This leads to batteries with better energy density, faster charging times, and longer lifespans.
Hydrogen Storage: Carbon nanotubes, with their large surface area, are being investigated as materials for hydrogen storage, which could play a key role in the development of hydrogen-powered vehicles and sustainable energy systems.
Fuel Cells: CNTs and graphene can act as catalysts in fuel cells, improving efficiency and reducing costs in hydrogen production and fuel cell applications.
Materials and Composites
Lightweight, High-Strength Composites: Graphene and CNTs are used to create materials that are both lightweight and extremely strong. These composites are applied in industries such as aerospace, automotive, and sports equipment. For example, graphene-enhanced composites are used in making ultra-lightweight, durable parts for aircraft and vehicles.
Smart Textiles: Graphene and CNTs are integrated into fabrics to create textiles that can conduct electricity, enabling applications in health monitoring, smart clothing, and energy harvesting.
Sensors and Biosensors
Chemical and Gas Sensors: Both graphene and CNTs are highly sensitive to their environment, making them useful for detecting gases and chemicals. For example, CNTs are used in gas sensors that detect harmful gases like ammonia (NH₃), nitrogen dioxide (NO₂), and carbon dioxide (CO₂).
Biosensors: Graphene and CNT-based biosensors can detect specific biomolecules like proteins, DNA, and other biomarkers, making them valuable for medical diagnostics and lab-on-a-chip devices.
Medical and Biotech Applications
Drug Delivery: Graphene oxide and carbon nanotubes are being explored for use in targeted drug delivery systems. Their ability to be functionalized with specific molecules allows for precise delivery of drugs to target cells or tissues, minimizing side effects.
Biomedical Imaging: Graphene and CNTs are used in medical imaging techniques, including magnetic resonance imaging (MRI) and computed tomography (CT) scans, to enhance the quality and resolution of the images.
Tissue Engineering: CNTs and graphene can serve as scaffolds in tissue engineering, providing a structure for the growth of cells and tissues in regenerative medicine.
Water Filtration and Desalination
Graphene Oxide Membranes: Graphene oxide (GO) membranes are used for water purification and desalination. These membranes allow water molecules to pass through while blocking salts and other contaminants, offering a potential solution to the global water crisis.
Heavy Metal and Contaminant Removal: CNTs can be used in water filtration systems to remove heavy metals, bacteria, and other pollutants due to their high surface area and adsorption properties.
Thermal Management
Heat Dissipation in Electronics: Both CNTs and graphene are used in thermal interface materials (TIMs) to efficiently dissipate heat in electronic devices, improving the performance and longevity of components like microprocessors, LEDs, and power electronics.
Thermal Coatings: Graphene-based coatings are applied to various materials to enhance their resistance to heat and improve their overall thermal management.
Quantum Computing
Quantum Dots and Spintronics: Graphene and CNTs are being studied for their potential in quantum computing and spintronics. Their properties allow for the manipulation of electron spins, which could be used to create more efficient quantum computers.
Quantum Sensors: Graphene’s sensitivity to environmental changes makes it suitable for use in quantum sensors that detect small variations in physical quantities such as temperature, magnetic fields, and pressure.
Automotive and Aerospace
Lightweight Materials: Graphene and CNTs are used in automotive and aerospace applications to create lighter, stronger materials for vehicle bodies, wings, and other components. These materials help reduce fuel consumption and improve overall performance.
Fuel Efficiency and Safety: CNTs enhance the strength and durability of composite materials used in the construction of car bodies, contributing to better crash resistance and safety while reducing the vehicle’s weight for improved fuel efficiency.
Environmental Remediation
Pollution Cleanup: CNTs and graphene-based materials are being explored for environmental remediation applications, such as oil spill cleanup, due to their ability to adsorb hydrophobic substances (like oils) effectively.
Carbon Capture: CNTs can also be used to capture and store carbon dioxide (CO₂) from the atmosphere, which is critical for efforts to mitigate climate change.
