The Types segmentation of the Titanium Dioxide Photocatalyst Solution market distinguishes anatase, rutile, mixed‑phase, doped, and nano‑sized TiO₂ variants, each influencing market dynamics through distinct physicochemical properties. Anatase TiO₂, prized for its high photocatalytic efficiency, dominates the nano‑sized segment, capturing roughly 40 % of sales driven by demand in high‑performance coatings. Rutile, offering superior UV stability, accounts for about 20 % and is favored in outdoor self‑cleaning applications where durability is paramount. Mixed‑phase TiO₂, combining anatase and rutile, delivers balanced activity and stability, contributing 15 % as manufacturers seek cost‑effective solutions. Doped TiO₂—incorporating metal (e.g., Fe, Cu) or non‑metal (e.g., N, C) dopants—enhances visible‑light response, representing 15 % of the market, particularly in indoor air purification where ambient lighting is limited. Nano‑sized TiO₂, defined by particle diameters below 100 nm, underpins 10 % of revenue across all types, enabling superior surface area and reactivity. These type distinctions directly affect pricing, adoption rates, and overall market volume.