Synthesis and characterization of N-doped TiO<sub>2</sub> photocatalysts with tunable response to solar radiation

Synthesis and characterization of N-doped TiO₂ photocatalysts with tunable response to solar radiation

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文摘

•: N-doped TiO₂ photocatalysts have been synthesized by annealing TiO₂ powder under flowing NH₃.
•: Absorption at 位 > 400 nm increases monotonically with increase of synthesis temperature.
•: The decrease of the effective band gap is due to the creation of localized states above the VB of TiO₂.
•: The electronic structure of TiO₂ can be tailored to absorb light in the visible and NIR regions.