Citation: Jing Li, Min Yang, Zun-Biao Jiang. One-step solvothermal synthesis of N-doped TiO₂ nanoparticles with high photocatalytic activity in the reduction of aqueous Cr(VI)[J]. Chinese Chemical Letters, ;2014, 25(2): 283-286. shu

One-step solvothermal synthesis of N-doped TiO₂ nanoparticles with high photocatalytic activity in the reduction of aqueous Cr(VI)

1.
School of Chemistry and Chemical Engineering, Xuzhou Institute of Technology, Xuzhou 221111, China

Corresponding author: Jing Li,
Received Date: 1 September 2013
Available Online: 5 November 2013
Fund Project: This is a project funded by the cultivating project of Xuzhou Institute of Technology (No. XKY2012206) (No. XKY2012206) Innovative Entrepreneurial Training Program of college student in Jiangsu province (No. 201311998068X). (No. 201311998068X)

N-doped TiO₂ (N-TiO₂) nanoparticles were synthesized via a one-step low temperature (180 ℃) solvothermal route, which adopted NH₄NO₃ as the nitrogen source. The structure, composition, BET specific surface area, and optical properties of the as-synthesized product were characterized by X-ray diffraction, transmission electron microscopy, X-ray photoelectron spectroscopy, N₂ adsorption- desorption isotherms, and UV-vis diffuse reflectance spectroscopy. In addition, its photocatalytic properties were tested by the reduction of aqueous Cr(VI) under UV and visible light (x > 420 nm) irradiation. It was observed that for the reduction of aqueous Cr(VI), the as-synthesized N-TiO₂ nanoparticles not only exhibited much higher photocatalytic activity than P25 TiO₂ under UV light, but also exhibited remarkably high photocatalytic activity under visible light (λ > 420 nm).
- Nanoparticles,
- Semiconductors,
- Functional,
- Powder technology
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沈阳化工大学材料科学与工程学院沈阳 110142

One-step solvothermal synthesis of N-doped TiO2 nanoparticles with high photocatalytic activity in the reduction of aqueous Cr(VI)

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通讯作者: 陈斌, bchen63@163.com

One-step solvothermal synthesis of N-doped TiO₂ nanoparticles with high photocatalytic activity in the reduction of aqueous Cr(VI)