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Journal of Inorganic Materials

Journal of Inorganic Materials >

2007 , Vol. 22 >Issue 5: 927 - 930

DOI: https://doi.org/10.3724/SP.J.1077.2007.00927

Research Paper

Photocatalytic Degradation of Methyl Orange via SrNb2O6 and SrNb2O6/Nb2O5 Composite

  • XING Jing-Cheng1 ,
  • BIAN Jian-Jiang ,
  • YANG Jian-Hua ,
  • HUANG Fu-Qiang
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  • (1. State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China; 2. Department of Material Science and Technology, Shanghai University, Shanghai 200072, China.)

Received date: 2006-09-06

  Revised date: 2006-10-26

  Online published: 2007-09-20

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Abstract

SrNb2O6 powders were prepared by a conventional solid-state method and characterized by X-ray powder diffraction and UV-Vis diffuse reflection spectra. Their photocatalytic activities were investigated on the degradation of methyl orange. The results show that the photocatalytic activity of pure phase SrNb2O6 calcined at 1400℃ is lower than that of the impure
phase SrNb2O6 calcined at 950℃. The heterojunction model is used to explain that the impure sample can improve the photocatalytic activity due to the interface interaction of Nb2O5 and SrNb2O6.

Key words： photocatalytic; methyl orange; SrNb2O6; SrNb2O6/Nb2O5 heterojunction

Cite this article

XING Jing-Cheng1 , BIAN Jian-Jiang , YANG Jian-Hua , HUANG Fu-Qiang . Photocatalytic Degradation of Methyl Orange via SrNb2O6 and SrNb2O6/Nb2O5 Composite[J]. Journal of Inorganic Materials, 2007 , 22(5) : 927 -930 . DOI: 10.3724/SP.J.1077.2007.00927

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