Titanium Dioxide A Versatile White Pigment Titanium dioxide, commonly known as TiO2, is a naturally occurring oxide of titanium. It is widely used as a white pigment in a variety of industries, including paints, plastics, paper, ink, food coloring, and cosmetics. Titanium dioxide is prized for its high refractive index, which gives it excellent hiding power and brightness. In addition to its use as a pigment, titanium dioxide also has important applications in photocatalysis and solar cells. The unique properties of titanium dioxide make it an ideal choice for many different applications. Its high refractive index means that it can effectively scatter light across the entire visible spectrum, making it an excellent white pigment. This property makes it particularly useful in paints and coatings, where it can provide superior coverage and durability. Titanium dioxide is also non-toxic and stable under a wide range of conditions, making it safe for use in food and cosmetic products. In addition to its use as a pigment, titanium dioxide also has important applications in photocatalysis and solar cells. When exposed to light, titanium dioxide can generate electron-hole pairs that can be used to drive chemical reactions or produce electricity When exposed to light, titanium dioxide can generate electron-hole pairs that can be used to drive chemical reactions or produce electricity When exposed to light, titanium dioxide can generate electron-hole pairs that can be used to drive chemical reactions or produce electricity When exposed to light, titanium dioxide can generate electron-hole pairs that can be used to drive chemical reactions or produce electricitytitanium dioxid. This property makes it a promising material for use in environmental remediation, water splitting, and energy conversion applications. Despite its many advantages, titanium dioxide does have some limitations. For example, it is relatively expensive compared to other pigments, which can limit its use in certain applications. Additionally, titanium dioxide is not very soluble in water, which can make it difficult to incorporate into certain types of products. Overall, titanium dioxide is a versatile and valuable material with a wide range of applications. Its unique properties make it an ideal choice for many different industries, from paints and plastics to food coloring and cosmetics. As research continues on this fascinating material, we can expect to see even more innovative uses for titanium dioxide in the future.