Titanium Oxide Nanopowder (TiO2, rutile, high purity, 99.9+%, 100nm)

Titanium oxide nanopowder (TiO2, rutile, high purity, 99.9+, 100nm) is a high-quality material with superior properties derived from its rutile crystalline structure. Known for its excellent optical characteristics, photocatalytic activity, and stability, this nanopowder is used across diverse industries, from environmental protection to advanced materials science. With a particle size of 100 nanometers and a purity level exceeding 99.9%, it offers enhanced performance for demanding applications.

Composition and Structure

TiO2 (Titanium Dioxide):
Titanium dioxide is a widely used compound composed of titanium and oxygen. It is favored for its high refractive index, UV-blocking capabilities, and non-toxic nature. It is employed in products ranging from pigments to solar energy devices due to these beneficial properties.
Rutile Phase:
The rutile form of TiO2 is a more stable crystalline structure compared to the anatase phase. It possesses a high refractive index and excellent electrical conductivity, making it ideal for optical, electronic, and catalytic applications. Rutile TiO2 is often preferred in applications where stability at high temperatures or UV radiation is required.
Purity (99.9+%):
The high purity level ensures minimal impurities, providing consistency and reliability in its performance across various applications. This level of purity is essential for high-performance technologies where material defects could impact functionality.
Particle Size (100 nm):
The 100 nm particle size is larger than that of many other TiO2 nanopowders, offering specific advantages in terms of stability, handling, and certain optical properties. Larger particles can reduce the risk of aggregation, enhancing the material’s suitability for specific coatings and industrial applications.

Properties

1. Photocatalytic Activity:
   Rutile TiO2 has photocatalytic properties, especially under UV light, which makes it effective in breaking down organic pollutants. While its photocatalytic activity is lower than anatase TiO2, it is still valuable in applications like pollutant degradation, self-cleaning surfaces, and air purification.
2. High Stability and Durability:
   The rutile phase is the most thermodynamically stable form of TiO2, which makes this nanopowder particularly valuable in applications requiring resistance to high temperatures and environmental degradation. Its robustness extends its lifespan, even under harsh conditions.
3. Optical Properties:
   Rutile TiO2 has a high refractive index and strong UV absorption capabilities, making it ideal for use as a pigment in paints, coatings, and cosmetics. It can scatter light efficiently, providing high opacity and brightness.
4. Electrical Conductivity:
   The rutile phase of TiO2 exhibits some degree of electrical conductivity, making it useful in certain electronics and sensor applications, although its conductivity is lower compared to other materials like metals or semiconductors.
5. UV Absorption:
   Due to its ability to absorb UV radiation effectively, rutile TiO2 is widely used in sunscreens and UV-protective coatings. It helps block harmful UV rays, protecting both human skin and materials from UV-induced degradation.

Applications

1. Environmental and Energy Applications:
Photocatalysis for Pollution Control:
Rutile TiO2 is used in photocatalytic applications such as air and water purification. Under UV light, it helps break down harmful organic compounds and pollutants, contributing to cleaner environments.
Solar Energy Conversion:
Although anatase TiO2 is more commonly used in solar cells, rutile TiO2 can also play a role in energy harvesting, particularly in dye-sensitized solar cells (DSSCs). It aids in the conversion of light into electricity, contributing to sustainable energy solutions.
Hydrogen Production:
Rutile TiO2 is used in photocatalytic water splitting to produce hydrogen gas, a potential clean fuel source. Its stability makes it effective in this process over extended periods of use.

2. Pigments and Coatings:
White Pigments:
Rutile TiO2 is widely used as a white pigment in paints, coatings, plastics, and paper. Its ability to scatter light efficiently and its high opacity provide excellent coverage and durability in industrial coatings and consumer products.
Protective Coatings:
Due to its stability, rutile TiO2 is also employed in protective coatings that prevent UV degradation, corrosion, and wear. It is particularly beneficial in automotive, industrial, and architectural coatings, where both functionality and aesthetics are important.
Self-Cleaning Surfaces:
Rutile TiO2 is often used in self-cleaning coatings. When exposed to sunlight, it activates and breaks down organic contaminants on surfaces, making them easier to clean without the need for harsh chemicals.

3. Electronics and Sensors:
Electronics and Semiconductor Devices:
Rutile TiO2 is used in various electronic applications, including sensors and capacitors, thanks to its semi-conductive properties. It is also used in sensors for detecting gases, temperature, and other environmental parameters.
Energy Storage:
TiO2 nanopowder is incorporated into certain energy storage technologies, including supercapacitors and batteries, where it enhances the stability and performance of the devices.

4. Cosmetics and Personal Care:
Sunscreens and UV Protection:
TiO2 rutile is widely used in sunscreens and other skincare products for its ability to block harmful UV rays. Its non-toxic, broad-spectrum UV protection makes it an essential ingredient in many cosmetic formulations.
Cosmetic Pigments:
Due to its high opacity and non-toxic nature, rutile TiO2 is frequently used in cosmetic products such as foundations, powders, and lotions, providing brightness and even coverage.

Safety and Handling

Health Considerations:
Titanium dioxide is generally regarded as safe in consumer products. However, when handling the nanopowder form, precautions should be taken to avoid inhalation or skin contact. Protective measures, such as gloves, masks, and goggles, should be used during handling and processing.
Environmental Impact:
TiO2 rutile is considered environmentally friendly and non-toxic, but as with all nanopowders, research is ongoing to understand their long-term environmental impact. Ensuring proper disposal and minimizing the release of nanoparticles into the environment is essential for sustainability.

Summary

Titanium oxide nanopowder (TiO2, rutile, high purity, 99.9+, 100nm) is a robust and versatile material with applications spanning environmental protection, energy conversion, coatings, electronics, and personal care. Its high purity, stability, and optical properties make it an essential material for a wide range of industries. The rutile phase of TiO2, with its excellent UV absorption, photocatalytic activity, and resistance to degradation, ensures that it remains a valuable resource for both industrial applications and cutting-edge technologies.