Preparation and photoelectrocatalytic activity of CdS particles embedded in highly ordered TiO2 nanotube arrays electrode for HCB degradation

被引:5
|
作者
Huang, Mingxi [1 ]
Xue, Jianjun [1 ]
Xie, Li [2 ]
Ling, Shisheng [1 ]
Zhou, Ning [1 ]
Cai, Yanhua [1 ]
Qian, Jiayan [1 ]
机构
[1] Nanjing Univ Aeronaut & Astronaut, Sch Mat Sci & Technol, Nanjing 210016, Peoples R China
[2] Environm Monitor Stn, Chengdu PT-610072, Peoples R China
来源
RENEWABLE AND SUSTAINABLE ENERGY, PTS 1-7 | 2012年 / 347-353卷
关键词
anodic oxidation; TiO2 nanotube arrays; CdS; photoelectrocatalysis; HCB; PHOTOCATALYTIC ACTIVITY; LIGHT;
D O I
10.4028/www.scientific.net/AMR.347-353.1894
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
Photoelectrocatalytic degradation performance of hexachlorobenzene (HCB) was assessed with a newly designed continuous photocatalytic reactor. CdS/TiO2 NTs were successfully prepared by depositing CdS particles on the surface of TiO2 nanotube arrays.The morphology, phase structure and photoelectric properties of CdS/TiO2 NTs were characterized by field emission scanning electron microscope, X-ray diffraction and diffuse reflectance spectroscopy. The photoelectrocatalytic activity of CdS/TiO2 NTs was evaluated in degradation of HCB in aqueous solution. The experimental results show that CdS/TiO2 NTs exhibited higher photoabsorption rate under visible light, bigger photocurrent (value) and improved photocatalytic activity than TiO2 NTs.
引用
收藏
页码:1894 / +
页数:2
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