Technical Specifications:
- Chemical Composition:
- Primary Ingredient: Titanium Dioxide (TiO2)
- Crystal Structure: Anatase (one of the polymorphs of TiO2, known for its high surface area and photocatalytic activity)
- Purity: 99.5% (high purity with minimal impurities)
- Nanoparticle Size:
- Particle Size: 15 nm (nanometers)
- Particle Shape: Typically spherical or irregular, depending on the synthesis method.
- Surface Area:
- The nanopowder has a high surface area due to its nanoscale size, contributing to its enhanced reactivity, making it ideal for applications in catalysis, photocatalysis, and energy storage.
- Density:
- The nanopowder has a relatively low apparent density compared to bulk titanium oxide, owing to its fine size and porous nature.
- Other Characteristics:
- Color: Titanium dioxide in anatase form is typically white or off-white.
- Reactivity: TiO2 nanoparticles are highly reactive due to their large surface area, making them suitable for applications in photocatalysis and other chemical processes.
- Band Gap: TiO2 (anatase) has a wide band gap, enabling it to absorb UV light and perform photocatalytic activities effectively.
Applications:
- Photocatalysis:
- Purpose: Titanium dioxide, particularly in its anatase form, is highly effective in photocatalysis because it can absorb UV light and facilitate various chemical reactions.
- Application: TiO2 nanoparticles are widely used for environmental applications, such as the degradation of pollutants in water and air. It is also used for self-cleaning surfaces, where UV light activates TiO2 to break down dirt and contaminants.
- Solar Cells:
- Purpose: TiO2 nanoparticles are used in solar energy applications due to their ability to absorb UV light and facilitate the generation of electrons for energy conversion.
- Application: TiO2 is used in dye-sensitized solar cells (DSSCs), where it serves as the semiconductor material. The high surface area of 15 nm TiO2 nanoparticles enhances the dye adsorption, improving the solar cell’s efficiency.
- Sunscreens and Cosmetics:
- Purpose: TiO2 is known for its ability to block UV radiation, making it a key ingredient in sunscreens and cosmetics.
- Application: TiO2 nanoparticles are commonly incorporated into sunscreens and cosmetics to provide UV protection. These nanoparticles offer broad-spectrum protection against both UVA and UVB radiation, making them ideal for skincare products like sunscreens, foundations, and moisturizers.
- Antibacterial Coatings:
- Purpose: Titanium dioxide has photocatalytic antibacterial properties when exposed to UV light, making it useful for sterilizing surfaces.
- Application: TiO2 nanoparticles are applied in coatings for hospital surfaces, public spaces, food processing areas, and healthcare products. The photocatalytic activity of TiO2 under UV light helps kill bacteria and other microorganisms, making it valuable for hygiene and sterilization.
- Environmental Remediation:
- Purpose: TiO2’s photocatalytic properties make it a key material for environmental cleanup applications.
- Application: TiO2 nanoparticles are used in the degradation of organic pollutants, such as pesticides, dyes, and other toxic chemicals in wastewater treatment. The nanoparticles break down contaminants under UV light, improving the efficiency of water and air purification systems.
- Paints and Coatings:
- Purpose: TiO2 is widely used in paints and coatings due to its bright white color, opacity, and durability.
- Application: TiO2 nanoparticles are used as pigments in paints, coatings, and plastics to provide whiteness and opacity. They also enhance the UV resistance of the coatings, making them suitable for both interior and exterior applications.
- Energy Storage:
- Purpose: TiO2 nanoparticles are used in energy storage applications due to their high surface area and stability.
- Application: TiO2 is used as an electrode material in lithium-ion batteries, supercapacitors, and other energy storage devices. The small size of the nanoparticles enhances charge capacity and cycling stability, making them ideal for high-performance energy storage applications.
- Optical Devices:
- Purpose: TiO2 nanoparticles are used in various optical applications due to their high refractive index and transparency.
- Application: TiO2 nanoparticles are incorporated into optical lenses, mirrors, and coatings. Their properties are used in devices such as optical filters, lenses, and coatings that require high transparency while maintaining high durability and UV resistance.
- Hydrogen Production (Water Splitting):
- Purpose: TiO2 is studied for its role in photocatalytic water splitting for hydrogen production.
- Application: TiO2 nanoparticles can be used to split water into hydrogen and oxygen under UV light, making it a promising material for sustainable hydrogen fuel production. This is a key component of solar energy conversion technologies.
- Air Purification:
- Purpose: TiO2 nanoparticles are used in air purification devices due to their photocatalytic ability to degrade harmful substances.
- Application: TiO2 is employed in air purifiers to break down volatile organic compounds (VOCs), nitrogen oxides (NOx), and other air pollutants. It is also used in filters and other purification systems in both residential and industrial settings.
Key Benefits:
- High Photocatalytic Activity: The anatase form of TiO2 exhibits superior photocatalytic activity, especially under UV light, making it ideal for applications in environmental remediation, self-cleaning surfaces, and solar energy applications.
- UV Protection: TiO2 nanoparticles provide excellent protection from harmful UV radiation, making them effective in sunscreens, cosmetics, and UV-blocking coatings.
- Environmentally Friendly: TiO2 is non-toxic, stable, and environmentally friendly, which makes it an attractive material for sustainable applications, such as in water and air purification, and renewable energy technologies.
- High Surface Area: The 15 nm size of TiO2 nanoparticles ensures a high surface area, enhancing their performance in photocatalysis, energy storage, and other applications requiring high reactivity.
- Durability and Stability: TiO2 nanoparticles are chemically stable and durable, which makes them long-lasting in applications such as coatings, energy storage devices, and photocatalysis.
- Versatile Applications: TiO2 nanoparticles have a wide range of applications across industries such as energy, environmental protection, healthcare, electronics, and coatings, making them a valuable material in modern technology.