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

页码：192 / 198

页数：7

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