Ta-Doped TiO2 Nanotubes for Enhanced Solar-Light Photoelectrochemical Water Splitting

被引:87
作者
Altomare, Marco [1 ,2 ]
Lee, Kiyoung [1 ]
Killian, Manuela S. [1 ]
Selli, Elena [2 ]
Schmuki, Patrik [1 ]
机构
[1] Univ Erlangen Nurnberg, LKO WW4, Dept Mat Sci, D-91058 Erlangen, Germany
[2] Univ Milan, Dept Chem, I-20133 Milan, Italy
关键词
nanostructures; nanotubes; photocatalysis; tantalum; water splitting; OXIDE NANOTUBES; PHOTOCATALYSIS; CONVERSION; ARRAYS;
D O I
10.1002/chem.201203544
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A little dopey: Ta-doped titania (TiO2) nanotube (NT) arrays can be grown by electrochemical anodization onto low-Ta-concentration (0.03-0.4 at % Ta) Ti-Ta alloys. Under optimized conditions (0.1 at % Ta, annealing at 650 °C and 7 μm thickness), Ta-doped TiO2 NT arrays show a significantly enhanced activity in photoelectrochemical water splitting under simulated sunlight conditions (see figure). Copyright © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码:5841 / 5844
页数:4
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