期刊
ELECTROCHIMICA ACTA
卷 62, 期 -, 页码 158-162出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2011.12.009
关键词
Nitrogen-doping; TiO2 nanotube arrays; TiO2 mesosponge; Solvothermal method; Photocatalysis
资金
- Key Item for Basic Research of Shanghai [05JC14058]
- National Natural Science Foundation of China [50672069]
- Nanotechnology Special foundation of Shanghai [11 nm0500700]
Nitrogen-doped titanium dioxide mesosponge was fabricated by transformation of TiO2 nanotube arrays using a facial solvothermal method. The structure, morphology and optical property were investigated by scanning electron microscopy (SEM), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS) and UV-vis diffusion reflection spectroscopy (DRS). A possible formation mechanism of N-doped TiO2 mesosponge has been proposed. The photoelectrochemical results indicate that N-doped TiO2 mesosponge prepared in ethanol solution of ammonia exhibits much higher photocurrent densities and the optimal photocatalytic activity. (C) 2011 Elsevier Ltd. All rights reserved.
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