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Preparation and Photocatalytic Performance of Anatase/Rutile Mixed-Phase TiO2 Nanotubes
Zhang, Yuyuan1,2; Chen, Jinzhu1; Li, Xinjun1
2010-11-01
发表期刊CATALYSIS LETTERS
ISSN1011-372X
卷号139期号:3-4页码:129-133
产权排序[Zhang, Yuyuan; Chen, Jinzhu(陈金铸); Li, Xinjun(李新军)] Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy & Gas Hydrate, Guangzhou 510640, Guangdong, Peoples R China; [Zhang, Yuyuan] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
通讯作者lixj@ms.giec.ac.cn
摘要Anatase-dominated anatase/rutile mixed-phase TiO2 nanotubes were prepared by decorating TiO2 on the hydrothermally synthesized TiO2-derived nanotubes via liquid phase deposition and subsequent annealing. The morphology and structure of as-prepared TiO2 nanotubes were characterized by transmission electron microscopy, X-ray diffraction, Raman spectra, and UV-Vis diffuse reflectance spectra. The separation efficiency of photogenerated carriers was investigated by photoluminescence spectra. The photocatalytic activity was evaluated by methyl orange decomposition under UV illumination. The results indicated that the mixed-phase TiO2 nanotubes consisting of anatase and rutile (82/18 w/w) were successfully fabricated. Due to the synergistic effect of mixed anatase and rutile phases, the anatase-dominated anatase/rutile mixed-phase TiO2 nanotubes exhibited superior photocatalytic activity. The apparent rate constant k of the photocatalytic reaction for the TiO2 nanotubes with and without decoration was 0.0528 and 0.0126, respectively.
文章类型Article
其他摘要Anatase-dominated anatase/rutile mixed-phase TiO2 nanotubes were prepared by decorating TiO2 on the hydrothermally synthesized TiO2-derived nanotubes via liquid phase deposition and subsequent annealing. The morphology and structure of as-prepared TiO2 nanotubes were characterized by transmission electron microscopy, X-ray diffraction, Raman spectra, and UV-Vis diffuse reflectance spectra. The separation efficiency of photogenerated carriers was investigated by photoluminescence spectra. The photocatalytic activity was evaluated by methyl orange decomposition under UV illumination. The results indicated that the mixed-phase TiO2 nanotubes consisting of anatase and rutile (82/18 w/w) were successfully fabricated. Due to the synergistic effect of mixed anatase and rutile phases, the anatase-dominated anatase/rutile mixed-phase TiO2 nanotubes exhibited superior photocatalytic activity. The apparent rate constant k of the photocatalytic reaction for the TiO2 nanotubes with and without decoration was 0.0528 and 0.0126, respectively.
关键词Tio2 Nanotubes Mixed-phase Photocatalysis Liquid Phase Deposition Hydrothermal Synthesis
学科领域Chemistry
WOS标题词Science & Technology ; Physical Sciences
DOI10.1007/s10562-010-0425-x
研究领域[WOS]Chemistry
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关键词[WOS]DEGRADATION
收录类别SCI
语种英语
项目资助者Chinese Academy of Sciences [KGCX2-YW-343]; Natural Science Foundation of Guangdong Province [07000743]; National 973 project of China [2009CB220002]
WOS类目Chemistry, Physical
WOS记录号WOS:000283136500007
引用统计
被引频次:30[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/8474
专题中国科学院广州能源研究所
作者单位1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy & Gas Hydrate, Guangzhou 510640, Guangdong, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714
Zhang, Yuyuan,Chen, Jinzhu,Li, Xinjun. Preparation and Photocatalytic Performance of Anatase/Rutile Mixed-Phase TiO2 Nanotubes[J]. CATALYSIS LETTERS,2010,139(3-4):129-133.
APA Zhang, Yuyuan,Chen, Jinzhu,&Li, Xinjun.(2010).Preparation and Photocatalytic Performance of Anatase/Rutile Mixed-Phase TiO2 Nanotubes.CATALYSIS LETTERS,139(3-4),129-133.
MLA Zhang, Yuyuan,et al."Preparation and Photocatalytic Performance of Anatase/Rutile Mixed-Phase TiO2 Nanotubes".CATALYSIS LETTERS 139.3-4(2010):129-133.
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