Citation: Min Li, Qun Zeng Huang, Dong Fang Qiu, Zhu Jin Jiao, Zhao Hui Meng, Heng Zhen Shi. Study on anti-fungal activity of nitrogen-doped TiO₂ nanophotocatalyst under visible light irradiation[J]. Chinese Chemical Letters, ;2010, 21(1): 117-121. doi: 10.1016/j.cclet.2009.06.038 shu

Study on anti-fungal activity of nitrogen-doped TiO₂ nanophotocatalyst under visible light irradiation

a Department of Chemistry, Henan Institute of Education, Zhengzhou 450046, China;
b College of Chemistry and Pharmacy Engineering, Nanyang Normal University, Nanyang 473061, China

Received Date: 22 April 2009

Fund Project: We thank the Natural Science Foundation of Henan Province for the financial support of this research.

Nitrogen-doped TiO₂ nanophotocatalysts were prepared, and characterized by XRD patterns and UV-vis spectroscopy. The results indicated that nitrogen was doped effectively and the shift of the absorption edge to a lower energy and a stronger absorption in the visible light region were observed. The calcinations temperature is a key factor to narrow the band gap of titania, and consequently affects the response to visible light of nitrogen-doped TiO₂ nanocrystals. This photocatalyst can effectively inhibit the growth of Helminthosporium maydis, whereas undoped TiO₂ nanocrystals cannot inhibit the growth of H. maydis under the same experimental conditions.
- Nitrogen-doped,
- TiO₂,
- Inhibit,
- H.maydis
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