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TiO2 nanotube/ZnO nanorod/CdS on Ti mesh with three-dimensional array structure for photocatalytic degradation under visible light irradiation
Wu, Liangpeng1; Zhang, Mingyue2; Li, Juan1; Cen, Chaoping3; Li, Xinjun1
2016-05-01
发表期刊RESEARCH ON CHEMICAL INTERMEDIATES
卷号42期号:5页码:4569-4580
摘要The three-dimensional (3D) TiO2 nanotube arrays (TNTA) were prepared by electrochemical anodization of Ti mesh in a mixed electrolyte solution of (NH4)(2)SO4 and NH4F. Well-defined CdS-sensitized ZnO nanorod arrays (ZNRA/CdS) were successfully built on TNTA by the hydrothermal method and chemical bath deposition. The as-prepared samples were characterized by means of XRD, FESEM, and UV-Vis. The photocatalytic activities of the samples were evaluated by measuring the photodegradation of methylene blue (MB) in aqueous solution under visible light irradiation. The photocatalytic efficiencies for MB degradation were 49 and 60 % for Ti mesh/ZNRA/CdS and Ti mesh/TNTA/ZNRA/CdS after irradiation for 6 h, respectively. This can be attributed to the presence of TNTA at the bottom of a ZNRA/CdS composite, which provides a direct pathway for photoinjected electrons transferring along the photoanode to enhance charge-collection efficiency and consequently reduce electron-hole recombination. Furthermore, it can enlarge the practical applications range of TiO2 due to its 3D nanoarray structure with good light-harvesting ability and flexibility.
文章类型Article
关键词Ti Mesh Tio2 Nanotube Zno Nanorod Arrays Cds Photocatalytic Activity
WOS标题词Science & Technology ; Physical Sciences
DOI10.1007/s11164-015-2297-6
研究领域[WOS]Chemistry
关键词[WOS]SENSITIZED SOLAR-CELLS ; TITANIUM-DIOXIDE ; METHYL-ORANGE ; ZNO NANORODS ; REMOVAL ; WATER ; CDS ; PERFORMANCE ; ADSORBENTS ; DYES
收录类别SCI
语种英语
WOS类目Chemistry, Multidisciplinary
WOS记录号WOS:000373617700039
引用统计
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/11209
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, Guangzhou 510640, Guangdong, Peoples R China
2.Guangdong Ind Tech Coll, Dept Chem Engn, Guangzhou 510030, Guangdong, Peoples R China
3.South China Inst Environm Sci, Minist Environm Protect, Key Lab Water & Air Pollut Control Guangdong Prov, Guangzhou 510655, Guangdong, Peoples R China
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Wu, Liangpeng,Zhang, Mingyue,Li, Juan,et al. TiO2 nanotube/ZnO nanorod/CdS on Ti mesh with three-dimensional array structure for photocatalytic degradation under visible light irradiation[J]. RESEARCH ON CHEMICAL INTERMEDIATES,2016,42(5):4569-4580.
APA Wu, Liangpeng,Zhang, Mingyue,Li, Juan,Cen, Chaoping,&Li, Xinjun.(2016).TiO2 nanotube/ZnO nanorod/CdS on Ti mesh with three-dimensional array structure for photocatalytic degradation under visible light irradiation.RESEARCH ON CHEMICAL INTERMEDIATES,42(5),4569-4580.
MLA Wu, Liangpeng,et al."TiO2 nanotube/ZnO nanorod/CdS on Ti mesh with three-dimensional array structure for photocatalytic degradation under visible light irradiation".RESEARCH ON CHEMICAL INTERMEDIATES 42.5(2016):4569-4580.
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