Y-branched TiO2 nanotube arrays synthesized by anodic oxidation

被引：4
|
作者：
Yang Xu [1 ,2 ]
Qu Yi [1 ]
Fan Yi [2 ]
Liu XingYuan [2 ]
机构：
[1] Changchun Univ Sci & Technol, Natl Key Lab High Power Semicond Lasers, Changchun 130022, Peoples R China
[2] Chinese Acad Sci, Changchun Inst Opt Fine Mech & Phys, Key Lab Excited State Proc, Changchun 130033, Peoples R China
来源：
SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY | 2012年 / 55卷 / 01期
关键词：
Y-branched TiO2 nanotube; anodization; oxidation temperature; anatase;
D O I：
10.1007/s11433-011-4580-x
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We report a novel synthesis strategy for Y-branched TiO2 nanotubes on a pure titanium foil by electrochemical anodic oxidation in an NH4F organic electrolyte. Effects of temperature range, oxidation time, and morphology-dependent parameters of the Y-branched TiO2 nanotube arrays were investigated. We found that an optimized growth-temperature window between 20A degrees C and 30A degrees C resulted in Y-branched nanotubes with much better morphology and photoelectric performances. After annealing at 450A degrees C for 1.5 h in air, a dominant crystal structure of these arrays was indexed to anatase.
引用
收藏
页码：14 / 18
页数：5
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