Properties of Sn-doped TiO2 nanotubes fabricated by anodization of co-sputtered Ti-Sn thin films

被引：34
|
作者：
Kyeremateng, Nana Amponsah [1 ,2 ]
Hornebecq, Virginie [3 ]
Knauth, Philippe [2 ]
Djenizian, Thierry [1 ]
机构：
[1] Univ Aix Marseille, CNRS, Chem Mat Res Grp, UMR 6182,Lab LP3, F-13288 Marseille 9, France
[2] Univ Aix Marseille, CNRS, EIMa, Lab Chim Prov,UMR 6264,Ctr St Jerome, F-13397 Marseille 20, France
[3] Univ Aix Marseille, CNRS, MatDiV, Lab Chim Prov,UMR 6264,Ctr St Jerome, F-13397 Marseille 20, France
来源：
ELECTROCHIMICA ACTA | 2012年 / 62卷
关键词：
Mixed-oxide nanotubes; Co-sputtering; Anodization; Li-ion microbatteries; PHOTOCATALYTIC ACTIVITY; NEGATIVE ELECTRODE; LITHIUM INSERTION; ANODIC-OXIDATION; ARRAYS; NANOPARTICLES; SPHERES;
D O I：
10.1016/j.electacta.2011.12.021
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Self-organized Sn-doped TiO2 nanotubes (nts) were fabricated for the first time, by anodization of co-sputtered Ti and Sn thin films. This nanostructured material was characterized by scanning electron microscopy, energy dispersive X-ray spectroscopy, X-ray diffraction, UV-vis spectroscopy and transmission electron microscopy. Due to their remarkable properties, Sn-doped TiO(2)nts can find potential applications in Li-ion microbatteries, photovoltaics, and catalysis. Particularly, the electrochemical performance as an anode material for Li-ion microbatteries was evaluated in Li test cells. With current density of 70 mu A cm(-2) (1C) and cut-off potential of 1V, Sn-doped TiO(2)nts showed improved performance compared to simple TiO(2)nts, and differential capacity plots revealed that the material undergoes full electrochemical reaction as a Rutile-type TiO2. (C) 2011 Published by Elsevier Ltd.
引用
收藏
页码：192 / 198
页数：7
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