Surface characteristics and phase transformation of highly ordered TiO2 nanotubes

被引：6

作者：

Oh, Han-Jun ^{[2
]}

Lee, Seunghyun ^{[1
]}

Lee, Byunggwan ^{[1
]}

Jeong, Yongsoo ^{[3
]}

Chi, Choong-Soo ^{[1
]}

机构：

[1] Kookmin Univ, Sch Adv Mat Engn, Seoul 136702, South Korea

[2] Hanseo Univ, Dept Mat Sci, Seosan 356706, Chungnam, South Korea

[3] Korea Inst Mat Sci, Changwon Si 641831, Gyeongnam, South Korea

来源：

METALS AND MATERIALS INTERNATIONAL | 2011年 / 17卷 / 04期

关键词：

nanostructured materials; anodization; crystallization; activation analysis; SEM; TEM; DSC; GROWTH; ALLOY;

D O I：

10.1007/s12540-011-0813-9

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Highly ordered TiO2 nanotubes with 85 mu m length were fabricated by the electrochemical method for 17 h at 60 V in an ethylene glycol/0.5 % NH4F/5 % water mixture solution. The nanotube arrangements and surface morphologies of the anodic titania films were clearly dependent on the electrolytes used in the fabrication process. The activation energy for the transformation from an amorphous to anatase structure was evaluated using differential scanning calorimetry (DSC) results and a Kissinger plot. The activation energy for anatase transformation on the anodic titania nanotubular film was estimated to be 208.9 kJ/mol.

引用

页码：613 / 616

页数：4

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