Novel vertically aligned TiO2 nanotubes embedded with Sb-doped SnO2 electrode with high oxygen evolution potential and long service time

被引：78
|
作者：
Cui, Xiao [1 ]
Zhao, Guohua [1 ]
Lei, Yanzhu [1 ]
Li, Hongxu [1 ]
Li, Peiqiang [1 ]
Liu, Meichuan [1 ]
机构：
[1] Tongji Univ, Dept Chem, Shanghai 200092, Peoples R China
来源：
MATERIALS CHEMISTRY AND PHYSICS | 2009年 / 113卷 / 01期
关键词：
TiO2-NTs/SnO2-Sb2O5; electrode; Long service life; Electrochemical performance; TIN DIOXIDE ELECTRODES; HIGH OVERVOLTAGE ANODES; WASTE-WATER; THIN-FILMS; ELECTROCHEMICAL PROPERTIES; TI/SNO2-SB2O5; ELECTRODES; OXIDE; OXIDATION; PHENOL;
D O I：
10.1016/j.matchemphys.2008.07.087
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A vertically aligned TiO2 nanotubes growing on Ti substrate embedded with Sb-doped SnO2 (TiO2-NTs/SnO2-Sb2O5) electrode has been successfully fabricated and its electrochemical properties are investigated. By sol-gel and thermal deposition methods, SnO2-Sb2O5 are embedded into TiO2 nanotubes (TiO2-NTs). Through EFSEM and XRD analysis. it is known that SnO2-Sb2O5 and Ti substrate consist of an integrative electrode by the formation of TiO2-NTs. Meanwhile, in contrast with the typical SnO2-based (Ti/SnO2-Sb2O5) electrode, TiO2-NTs/SnO2-Sb2O5 electrode can increase the load capacity of Sb-doped SnO2 and electrode's surface wettability. Compared with the poor service life of Ti/SnO2-Sb2O5 electrode, this novel embedded electrode enhances the service life sharply. Besides, according to the electrochemical experiments, TiO2-NTs/SnO2-Sb2O5 electrode is superior to Ti/SnO2-Sb2O5 electrode for electrochemical performance. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：314 / 321
页数：8
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