Enhancement of Photocatalytic Activity of TiO 2 by High-Energy Electron-Beam Treatment Under Atmospheric Pressure
Catalysis Letters(2010)
Abstract
The influence of high-energy e-beam treatment at atmospheric pressure on the structure and photocatalytic activity of TiO 2 was examined. Using an e-beam energy of 1 MeV and exposure in the range of 5–15 kGy, an improvement in the photocatalytic activity of TiO 2 was observed. An increase in the population of C–O bonds was found in the C and O 1s states using X-ray Photoelectron Spectroscopy (XPS) suggesting that the change in the structure of the C impurities on the surface of TiO 2 is closely related to the variation in the photocatalytic activity. Graphical Abstract
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Key words
High-energy e-beam,Surface treatment,Photocatalysis,TiO2
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