Efficient growth of aligned SnO2 nanorod arrays on hematite (α-Fe2O3) nanotube arrays for photoelectrochemical and photocatalytic applications

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• 作者：Gao Yue (1)
  Hongwei Ni (1)
  Rongsheng Chen (1)
  Ziyang Wang (1)
  Chao Zhang (1)
  Weiting Zhan (1)
  Youwei Li (2)
  Jihui Li (2)
  
• 刊名：Journal of Materials Science: Materials in Electronics
• 出版年：2013
• 出版时间：September 2013
• 年：2013
• 卷：24
• 期：9
• 页码：3324-3329
• 全文大小：604KB
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• 作者单位：Gao Yue (1)
  Hongwei Ni (1)
  Rongsheng Chen (1)
  Ziyang Wang (1)
  Chao Zhang (1)
  Weiting Zhan (1)
  Youwei Li (2)
  Jihui Li (2)
  
  1. Key Laboratory for Ferrous Metallurgy and Resources Utilization of Ministry of Education, Wuhan University of Science and Technology, Wuhan, 430081, China
  2. Yangjiang SHIBAZI Group, Yangjiang, 529500, China
  

文摘

SnO2 nanorod arrays were fabricated on hematiete nanotube arrays by an efficient hydrothermal method. The hematiete nanotube arrays were prepared by anodization of pure iron foil in an ethylene glycol solution. SnO2 nanorod arrays grew from the bottom of hematite nanotubes and were firmly combined with the iron foil substrate. The morphology and microstructure of SnO2 nanorod arrays are investigated by field-emission scanning electron microscopy, grazing incidence X-ray diffraction and UV–Vis absorbance spectra. The sample presented typical SnO2 nanorod arrays (reacted for 2?h) generally of 400?nm in length and 50?nm in side width showed the best photocatalytic activity and photoelectrochemical response under the UV illumination. It should be attributed to the effective electron–hole separation and the excellent electron transfer pathway along the 1D SnO2 nanorod arrays and hematiete nanotube arrays.