Titanium oxide nanopowder (TiO2, Anatase, High Purity 99.98%, 30nm) is a high-quality material with exceptional optical, photocatalytic, and electrochemical properties. The anatase form of titanium dioxide is particularly valued for its effectiveness in applications involving light absorption, energy conversion, and environmental cleanup. With a particle size of 30 nanometers and ultra-high purity, this nanopowder excels in a variety of technological and industrial applications.
Composition and Structure
TiO2 (Titanium Dioxide):
Titanium dioxide is a naturally occurring compound composed of titanium and oxygen. It is widely used due to its inertness, high refractive index, and excellent photocatalytic properties.
Anatase Phase:
Anatase is one of the three primary crystalline phases of TiO2 (the others being rutile and brookite). This phase is particularly known for its superior photocatalytic activity, making it highly effective for light-driven chemical reactions such as water purification, pollutant degradation, and hydrogen production.
High Purity (99.98%):
This nanopowder is of exceptionally high purity (99.98%), ensuring minimal contamination from other elements, which enhances its performance in specialized applications that require high precision and consistency.
Particle Size (30 nm):
The particle size of 30 nanometers contributes to a large surface area, providing increased reactivity and efficiency in various processes, such as catalysis, photocatalysis, and energy storage.
Properties
- Photocatalytic Activity:
Titanium dioxide in the anatase form is renowned for its photocatalytic properties. When exposed to UV light, TiO2 generates electron-hole pairs, which can drive chemical reactions, such as the breakdown of pollutants. This makes it ideal for environmental cleanup and renewable energy applications. - High Surface Area:
Due to its small particle size (30 nm), TiO2 exhibits a high surface area, which is beneficial for catalytic reactions, increasing the efficiency of processes such as pollutant degradation and hydrogen production. - UV Light Absorption:
TiO2 absorbs UV light effectively, which is why it is widely used in applications that rely on the absorption of sunlight or UV radiation. Its high refractive index and UV-absorbing properties make it useful in sunscreen formulations, photocatalytic processes, and energy conversion technologies. - Stability and Durability:
Titanium dioxide is chemically stable and can withstand harsh environmental conditions, including exposure to UV light and high temperatures. Its long-term durability makes it a reliable material for a wide range of industrial and environmental applications. - Non-toxic and Biocompatible:
TiO2 is considered non-toxic and biocompatible, which makes it suitable for use in sensitive applications, such as cosmetics, pharmaceuticals, and food products.
Applications
1. Environmental Remediation and Photocatalysis:
Pollutant Degradation:
TiO2 anatase nanoparticles are effective in breaking down organic pollutants, such as VOCs (volatile organic compounds), in air and water. Photocatalytic degradation under UV light allows TiO2 to act as a cleaning agent, breaking down harmful substances into less toxic components.
Water Treatment:
TiO2 is widely used in water purification processes. Its photocatalytic activity can help remove harmful pollutants, such as pesticides, heavy metals, and pharmaceutical residues, from contaminated water, contributing to cleaner and safer water supplies.
Self-Cleaning Surfaces:
Thanks to its photocatalytic properties, TiO2 anatase is used in self-cleaning coatings for a variety of surfaces, including glass, tiles, and outdoor structures. The nanoparticles degrade organic dirt and contaminants when exposed to sunlight, keeping surfaces clean without the need for additional cleaning agents.
Solar Energy Conversion:
Titanium dioxide is a key material in the development of dye-sensitized solar cells (DSSCs). It serves as a semiconductor to convert light into electricity. The anatase phase, with its superior photocatalytic activity, is especially effective in converting UV light into energy.
Hydrogen Production:
TiO2 nanoparticles are being researched for their ability to facilitate photocatalytic water splitting, which can generate hydrogen from water when exposed to sunlight. This process is a promising method for sustainable hydrogen production as a clean energy source.
2. Electronics and Energy Storage:
Supercapacitors:
TiO2 nanoparticles are incorporated into supercapacitors to enhance charge storage capacity and improve the efficiency of energy storage devices. Their high surface area and electrochemical stability make them ideal for use in energy storage applications.
Batteries:
Titanium oxide is used in lithium-ion batteries to improve the performance of electrodes. Its high surface area and stability contribute to increased efficiency in charge and discharge cycles, as well as longer battery life.
Transparent Conductive Films:
TiO2 nanoparticles are also utilized in transparent conductive films for displays, sensors, and solar cells. Their excellent transparency and conductivity make them essential components in advanced electronic devices.
3. Coatings and Paints:
Protective Coatings:
TiO2 anatase nanoparticles are used in coatings that provide resistance to UV degradation, corrosion, and other environmental factors. These coatings can be applied to metal, plastic, and glass surfaces to extend the lifespan of materials in harsh conditions.
Pigments:
Titanium dioxide is a widely used white pigment in paints, coatings, and plastics. Its high opacity, excellent light scattering ability, and durability make it an ideal material for creating bright, long-lasting pigments.
4. Cosmetics and Personal Care:
Sunscreens:
TiO2 is a common ingredient in sunscreens due to its ability to block harmful UV radiation. The high purity and nanoscale size of the powder make it effective in providing broad-spectrum protection against both UVA and UVB rays.
Cosmetic Formulations:
Titanium dioxide is used in a variety of cosmetic products such as foundations, powders, and lotions, providing UV protection, smooth texture, and opacity to the products.
5. Biomedical Applications:
Drug Delivery:
TiO2 nanoparticles are being explored for use in targeted drug delivery systems. Their small size and high surface area allow them to encapsulate drugs and deliver them directly to specific areas in the body, improving treatment efficiency.
Diagnostic Imaging:
Titanium dioxide nanoparticles have potential in medical imaging as contrast agents, where they can enhance the clarity and resolution of X-ray or MRI scans.
Safety and Handling
Health Considerations:
Titanium dioxide is considered safe for a wide range of applications, including cosmetics, pharmaceuticals, and food products. However, as with any nanoparticle, proper safety precautions should be taken to avoid inhalation or skin contact. It is advisable to use personal protective equipment such as gloves, masks, and eye protection when handling TiO2 nanopowder.
Environmental Impact:
TiO2 is regarded as non-toxic to the environment. However, as with all nanomaterials, further research is being conducted to understand their long-term environmental impact, especially in aquatic ecosystems.
Summary
Titanium oxide nanopowder (TiO2, Anatase, High Purity 99.98%, 30nm) is an advanced material with a broad range of applications due to its exceptional photocatalytic, optical, and electrochemical properties. With high purity and a particle size of 30 nanometers, this nanopowder is ideally suited for use in environmental remediation, energy conversion, electronics, coatings, and personal care products. Its high surface area and photocatalytic activity make it a key material in renewable energy technologies and pollution control, while its non-toxic and biocompatible nature ensures safety in a variety of industries.