A new type of cobalt-deposited titanate nanotubes for enhanced photocatalytic degradation of phenanthrene
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- 作者：Xiao Zhaoa ; Zhengqing Caia ; Ting Wangb ; S.E. O&rsquo ; Reillyc ; Wen Liua ; b ; wzl0025@auburn.edu" class="auth_mail" title="E-mail the corresponding author ; Dongye Zhaoa ; zhaodon@auburn.edu" class="auth_mail" title="E-mail the corresponding author
- 关键词：Titanate nanotubes ; Metal-deposited catalyst ; Cobalt ; Photocatalysis ; PAHs
- 刊名：Applied Catalysis B: Environmental
- 出版年：2016
- 出版时间：15 June 2016
- 年：2016
- 卷：187
- 期：Complete
- 页码：134-143
- 全文大小：3098 K
文摘
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A new photocatalyst of Co-doped titanate nanotubes is prepared and characterized.
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The catalyst is a composite nanomaterial consisting of anatase, titanate and CoO.
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The catalyst offers 10 times faster photodegradation rate over conventional TiO2.
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The catalyst has a lower band gap (2.8 eV) and improved response to visible light.
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CoO and anatase facilitate production of e-h pairs and impede recombination thereof.