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Self-organized TiO2 nanotube arrays by anodization of Ti substrate:: Effect of anodization time, voltage and medium composition on oxide morphology and photoelectrochemical response

被引：25
作者：
Watcharenwong, A.
Chanmanee, W.
de Tacconi, N. R.
Chenthamarakshan, C. R.
Kajitvichyanukul, P.
Rajeshwar, K. [1 ]
机构：
[1] Univ Texas, Dept Chem & Biochem, CREST, Arlington, TX 76019 USA
[2] Chulalongkorn Univ, Natl Res Ctr Environm & Hazardous Waste Managemen, Bangkok, Thailand
[3] King Mongkuts Univ Technol, Dept Environm Engn, Bangkok, Thailand
来源：
JOURNAL OF MATERIALS RESEARCH | 2007年 / 22卷 / 11期
关键词：
D O I：
10.1557/JMR.2007.0391
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This study probes the relationship between the morphology of anodic titania (TiO2) layers grown on Ti foil substrates and their subsequent photoelectrochemical response in 0.5 M Na2SO4 supporting electrolyte. The effects of anodization variables (voltage and time) and anodization medium composition [water, glycerol, poly(ethylene glycol), ethylene glycol] along with fluoride ion concentration on the oxide layer of morphology and photoresponse are described. The degree of order of the self organized TiO2 nanotube arrays and the extent to which these arrays organize themselves over the entire substrate surface are key variables dictating the corresponding quality of the resultant photoresponse.
引用
收藏
页码：3186 / 3195
页数：10
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