Titanium Dioxide Nanoparticles (TiO₂ Nanoparticles)
Titanium dioxide (TiO₂) nanoparticles are among the most widely used and important oxide nanomaterials across various industries. Due to their unique physical, chemical, optical, and catalytic properties, they play a key role in advanced technologies. These nanoparticles, with a band gap in the range of 2.3–3 eV and particle sizes ranging from 5 to 100 nanometers, possess a high specific surface area and exceptional stability, making them applicable in many fields.
Scientific and Technical Features of TiO₂ Nanoparticles
| Description |
Feature |
| Three main crystalline forms – Anatase, Rutile, and Brookite |
Crystal structure |
| Activation under UV and some visible light for pollutant degradation |
Photocatalytic properties |
| Resistant to oxidation, heat, and corrosion |
High chemical and thermal stability |
| High light absorption and scattering efficiency; used in UV-blocking coatings |
Outstanding optical properties |
| High safety for use in food, pharmaceutical, and cosmetic industries |
Non-toxic and biocompatible |
Industrial and Technological Applications
- Photocatalysis and Environmental Remediation
Decomposition and removal of organic and inorganic pollutants in water, air, and soil using light-activated catalytic properties.
- Paint and Coatings Industry
Used as a white pigment with high opacity and UV resistance in paints, plastics, and anti-corrosion coatings.
- Cosmetic and Personal Care Products
Widely used in sunscreens, skincare products, and cosmetics due to UV-blocking ability and non-toxic nature.
- Electronics and Sensors Industry
Applied in the development of gas sensors, solar cells, and nanoscale electronic components.
- Textile and Automotive Industries
Incorporated into fabrics and composite materials to enhance resistance to light and pollution, and to improve mechanical properties.
Commercial and Industrial Advantages
- Mass production and cost-effectiveness via various chemical and physical methods
- High efficiency in a wide range of applications from environmental remediation to consumer products
- Long-term stability and durability under various working and environmental conditions
- Biocompatibility and safety for medical and cosmetic uses
- Thriving global market with growing demand across industries
Commercially Available Forms
- Nano powder with particle sizes ranging from 5 to 100 nm in anatase, rutile, and mixed forms
- Stable suspensions for catalytic and cosmetic applications
- Nanocomposites and specialized coatings with surface modification capabilities
- Custom products with precisely controlled particle size and shape
