Lattice widening in niobium-doped TiO2 nanotubes:: Efficient ion intercalation and swift electrochromic contrast

被引:97
作者
Ghicov, Andrei [1 ]
Yamamoto, Masahiro [2 ]
Schmuki, Patrik [1 ]
机构
[1] Univ Erlangen Nurnberg, Dept Mat Sci, D-91058 Erlangen, Germany
[2] Kyoto Univ, Dept Energy & Hydrocarbon Chem, Nishikyo Ku, Kyoto 6158510, Japan
关键词
electrochromism; inorganic nanotubes; intercalation; lithium; sodium;
D O I
10.1002/anie.200802598
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Widely accommodating: Novel TiO2/Nb nanotube layers (see picture, right) are grown on a titanium-niobium alloy. Niobium doping of TiO2 enlarges the cell parameters of the anatase lattice (left; Nb green, Ti gray, O red), facilitating the intercalation of H+ and Li+ ions, and even larger Na+ ions (blue) into the lattice. (Figure Presented) © 2008 Wiley-VCH Verlag GmbH & Co. KGaA.
引用
收藏
页码:7934 / 7937
页数:4
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