Abstract
This work focused on the synthesis of high-activity titania photocatalysts through an environmentally friendly and novel process. A high energy-efficient microwave-assisted hydrothermal method was employed to prepare TiO2 from commercially available K2Ti4O9 particles without using any organic species. The obtained titania consisted of small particles around 5nm in diameter and high specific surface areas above 200m2/g. The photocatalytic activities were evaluated by the photo-decomposition of acetaldehyde. The titania prepared through this process showed high photocatalytic activities equal to the commercial one, AEROXIDE® TiO2 P 25.
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