Abstract
Mesoporous TiO2 nanostructures of spindle shape (diameter ∼6nm and length of 30nm) have been obtained at room temperature by a simple microemulsion method. The nanospindles are highly monodisperse with high surface area and high degree of thermostability. These TiO2 nanostructures have a high surface area (∼200m2/g) and show nearly twice the photocatalytic efficiency than of commercially available TiO2 and comparable to the best titania-based photocatalyst (TiO2 doped with expensive metals like Pt and obtained at higher temperature). There is no decrease in the efficiency of the photocatalyst even after three cycles.
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