Abstract
Develop a photocatalyst system for solar energy conversion to electric energy or chemical energy is a topic of great interest for fundamental and practical importance. In this study, nitrogen-doped TiO2 with high hydrogen production by photocatalytic water splitting were prepared by microwave-assisted hydrothermal method using titanium sulfate as precursor in the presence of urea. The nitrogen doped TiO2 prepared in this study was pure anatase phase with a high surface area (372 m2 g−1) and showed a very high hydrogen evolution rate of water splitting reaction under UV light irradiation (4,386 μmol g−1 h−1) and visible light irradiation (185 μmol g−1 h−1) which was about 15 times higher than commercial TiO2 (Degussa P25).
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